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1		-Expansions.1 Module.Weighing.WebHome
	1	+1 Module.Weighing.WebHome

Author

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1		-XWiki.Jim
	1	+XWiki.admin

Content

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1		-= **1 Operating principle** =
	1	+= **1 Weighing module Operating principle** =
2	2
3		-When a metal material is subjected to tension, the metal material becomes thinner and the electrical impedance increases; conversely, when it is compressed, the metal impedance becomes smaller, and the strain gauge made by this method is called a weighing module. This type of sensing device can transform the pressure of physical phenomena into electrical signal output, so it is often used in load, tension and pressure conversion applications.
	3	+Electrical resistance of metal material changes in proportion to the forces being applied to deform it. The strain gauge measures the deformation as a change in electrical resistance, which is a measure of the strain and hence the applied forces (load).
4	4
5	5	= **2 Introduction** =
6	6
7		-1. WECON LX3V-2WT expansion module’s resolution is 24-bit. The module can be used for reading signals from 4- or 6- wire configuration; The response speed can be adjusted to meet customer needs, easily meeting the full range of needs in the current load application market.
8		-1. To ensure proper installation and operation of this product, please read the instruction manual carefully before using the module. This manual is intended only as an operating guide and introductory reference for the LX3V-2WT.
9		-1. The LX3V-2WT weighing module can read and write data with the instruction FROM/TO  through LX3V or LX5V
	7	+1. WECON LX3V-2WT expansion module’s resolution is 24-bit. The module can be used for reading signals from 4- or 6- wire configuration;
	8	+1. Please read through the manual before powering on the module.
	9	+1. This manual is only applicable for model number: LX3V-2WT. Please double check the mark on your module.
	10	+1. Using FROM/TO command to read/write data on PLC LX3X.
10	10
11		-(% class="box infomessage" %)
12		-(((
13		-**✎Note:** Disconnect power before installing/removing modules or wiring the modules to avoid contact or product damage.
14		-)))
	12	+== **2.1 Specification** ==
15	15
16		-== **Specification** ==
	14	+(% class="table-bordered" %)
	15	+|**Item**|**Description**
	16	+|Channel|Double channels
	17	+|A/D converter|24 bit Δˉ∑ A/D
	18	+|Resolution|24bit (signed)
	19	+|Speed|7.5/10/25/50/60/150/300Hz available
	20	+|Polarity|Unipolar and bipolar
	21	+|Non-linearity|≤0.01% full scale(25^^o^^C)
	22	+|Zero drift|≤0.2μV/^^ o^^C
	23	+|Gain drift|≤10ppm/^^ o^^C
	24	+|Excitation Voltage/ load|5V, load impedance≥200Ω
	25	+|Sensor sensitivity|1mV/V-15mV/V
	26	+|Isolation|Transformer (power supply) and the optical coupler (signal)
	27	+|Lamp|Power supply lamp, communication lamp
	28	+|Power supply|24V±20% 2VA
	29	+|Operating temperature|0~~60^^ o^^C
	30	+|Storage temperature|-20~~80^^ o^^C
	31	+|Dimension|90(L)x58(W)x80(H) mm
17	17
18		-|=(% scope="row" style="width: 254px;" %)**Item**|=(% style="width: 821px;" %)**Description**
19		-|=(% style="width: 254px;" %)Channel|(% style="width:821px" %)Dual channel
20		-|=(% style="width: 254px;" %)A/D converter|(% style="width:821px" %)24 bit Δˉ∑ A/D
21		-|=(% style="width: 254px;" %)Resolution|(% style="width:821px" %)24 bit (signed)
22		-|=(% style="width: 254px;" %)Speed|(% style="width:821px" %)7.5/10/25/50/60/150/300Hz available
23		-|=(% style="width: 254px;" %)Polarity|(% style="width:821px" %)Unipolar and bipolar
24		-|=(% style="width: 254px;" %)Non-linearity|(% style="width:821px" %)≤0.01% full scale(25^^o^^C)
25		-|=(% style="width: 254px;" %)Zero drift|(% style="width:821px" %)≤0.2μV/^^ o^^C
26		-|=(% style="width: 254px;" %)Gain drift|(% style="width:821px" %)≤10ppm/^^ o^^C
27		-|=(% style="width: 254px;" %)Excitation voltage/ load|(% style="width:821px" %)Dual 5V, single load impedance not less than 200 Ω
28		-|=(% style="width: 254px;" %)Sensor sensitivity|(% style="width:821px" %)1mV/V to 15mV/V
29		-|=(% style="width: 254px;" %)Isolation|(% style="width:821px" %)Transformer (power supply) and the optical coupler (signal)
30		-|=(% style="width: 254px;" %)Indicator light|(% style="width:821px" %)Module power supply (24V) light, module internal data communication light (COM), communication indicator between PLC and module (LINK), channel indicator light and channel calibration light
31		-|=(% style="width: 254px;" %)Power supply|(% style="width:821px" %)24V±20% 2VA
32		-|=(% style="width: 254px;" %)Operating temperature|(% style="width:821px" %)0 to 60^^ o^^C
33		-|=(% style="width: 254px;" %)Storage temperature|(% style="width:821px" %)-20 to 80^^ o^^C
34		-|=(% style="width: 254px;" %)Dimension|(% style="width:821px" %)90(L)x58(W)x80(H) mm
	33	+== **2.2 Valid bits** ==
35	35
36		-== **Valid bits** ==
	35	+Refer to sampling frequency in Section 5.2, Chapter 5 of this manual.
37	37
38		-Refer to sampling frequency in BFM description, Chapter 5 of this manual.
39		-
40	40	= **3 Dimensions** =
41	41
42		-== Dimensions ==
	39	+(% style="text-align:center" %)
	40	+[[image:LX3V-2WT V2.0_html_894c15a18e7135f3.png||class="img-thumbnail" height="384" width="1000"]]
43	43
44		- [[image:图片1.jpg||height="358" width="301" class="img-thumbnail"]] [[image:图片2.jpg||height="365" width="351" class="img-thumbnail"]]
	42	+① Extension cable and connector
45	45
46		-(% style="text-align:center" %)
47		-[[image:图片3.jpg||height="593" width="684" class="img-thumbnail"]]
	44	+② LED COMM: Lit when communicating
48	48
49		-1. Extension cable
50		-1. COM light: Module internal data communication indicator
51		-1. 24V light: Always on when connected to external 24V power supply
52		-1. WT light: Channel input/output indicator; WE light: Channel calibration indicator
53		-1. LINK: Communication indicator between PLC and module (LINK)
54		-1. Expansion module name
55		-1. Expansion module interface
56		-1. DIN rail mounting clip
57		-1. Hook for DIN rail
58		-1. Holes for direct mounting: 2 places (φ4.5)
	46	+③ Power LED: Lit when power present
59	59
60		-|=(% scope="row" style="width: 107px;" %)**Name**|=(% style="width: 374px;" %)**Description**|=(% style="width: 146px;" %)**Light status**|=(% style="width: 449px;" %)**Event status**
61		-|(% rowspan="3" style="width:107px" %)(((
62		-
	48	+④ State LED: Lit when normal
63	63
64		-LINK light
65		-)))|(% rowspan="3" style="width:374px" %)Communication indicator between PLC and module|(% style="width:146px" %)Light flashes|(% style="width:449px" %)Data is interacting normally (communication is normal)
66		-|(% style="width:146px" %)Lights off|(% style="width:449px" %)Data interaction is abnormal, stopped or failed
67		-|(% style="width:146px" %)Always ON|(% style="width:449px" %)Abnormal software operation or hardware failure
68		-|(% rowspan="3" style="width:107px" %)(((
69		-
	50	+⑤ Module number
70	70
71		-COM light
72		-)))|(% rowspan="3" style="width:374px" %)Module internal data communication indicator|(% style="width:146px" %)Light flashes|(% style="width:449px" %)Data is interacting normally (communication is normal)
73		-|(% style="width:146px" %)Lights off|(% style="width:449px" %)Data interaction is abnormal, stopped or failed
74		-|(% style="width:146px" %)Always ON|(% style="width:449px" %)Abnormal software operation or hardware failure
75		-|(% rowspan="3" style="width:107px" %)(((
76		-
	52	+⑥ Analog signal output terminal
77	77
78		-WT light
79		-)))|(% rowspan="3" style="width:374px" %)Channel output/input indicator|(% style="width:146px" %)Light flashes|(% style="width:449px" %)Analog input is out of range
80		-|(% style="width:146px" %)Always ON|(% style="width:449px" %)Analog input is within the range
81		-|(% style="width:146px" %)Lights off|(% style="width:449px" %)Channel closed
82		-|(% rowspan="2" style="width:107px" %)WE light|(% rowspan="2" style="width:374px" %)Calibration indicator for the channel|(% style="width:146px" %)Lights off|(% style="width:449px" %)Calibration succeeded
83		-|(% style="width:146px" %)Always ON|(% style="width:449px" %)Calibration failed or not calibrated
	54	+⑦ Extension module interface
84	84
85		-== **Use of blade terminals** ==
	56	+⑧ DIN rail mounting slot
86	86
87		-(% style="text-align:center" %)
88		-[[image:image-20220705162505-2.jpeg||height="218" width="375" class="img-thumbnail"]]
	58	+⑨ DIN rail hook
89	89
90		-Use crimp terminals of the size shown in the figure. Terminal tightening torque is 0.5 to 0.8N.m. Be sure to tighten the screws so as not to cause malfunction.
	60	+⑩ Mounting holes (φ4.5)
91	91
92		-== **Terminals** ==
93	93
94		-|=**Terminal**|=**Terminal Instructions**
95		-|24V+|External DC24 power supply+
96		-|24V-|External DC24 power supply-
97		-|Ground|Ground
98		-|FG1|Sensor housing
99		-|E1+|First sensor 5V power +
100		-|E1-|First sensor 5V power -
101		-|F1+|First sensor power supply feedback +
102		-|F1-|First sensor power supply feedback -
103		-|S1+|First sensor signal output +
104		-|S1-|First sensor signal output -
105		-|E2+|Second sensor 5V power +
106		-|E2-|Second sensor 5V power -
107		-|F2+|Second sensor power supply feedback +
108		-|F2-|Second sensor power supply feedback -
109		-|S2+|Second sensor signal output +
110		-|S2-|Second sensor signal output -
111		-|FG2|Second sensor housing
112		-|Other empty terminals|Empty pin, not connect any wires
	63	+(% style="text-align:center" %)
	64	+[[image:LX3V-2WT V2.0_html_6b5398f61ad44c3d.png||class="img-thumbnail" height="199" width="300"]]
113	113
114		-= **4 Wiring ** =
	66	+1. Use the crimp terminals that meet the dimensional requirements showed in the left figure.
	67	+1. Apply 0.5 to 0.8 N.m (5 to 8 kgf.cm) torque to tighten the terminals against disoperation.
115	115
	69	+(% class="table-bordered" %)
	70	+|**Terminals**|**Instruction**|**Terminals**|**Instruction**
	71	+|24V+|Power supply+|24V-|Power supply-
	72	+|GND|Grounding|FG1|CH1 sensor grounding
	73	+|E1+|CH1 power supply+ (5V) for sensor|E1-|CH1 power supply- (5V) for sensor
	74	+|S1+|CH1 signal output+ of sensor|S1-|CH1 signal output- of sensor
	75	+|F1+|CH1 feedback+ of sensor|F1-|CH1 feedback- of sensor
	76	+|E2+|CH2 power supply+ (5V) for sensor|E2-|CH2 power supply- (5V) for sensor
	77	+|S2+|CH2 signal output+ of sensor|S2-|CH2 signal output- of sensor
	78	+|F2+|CH2 feedback+ of sensor|F2-|CH2 feedback- of sensor
	79	+|FG2|CH2 sensor grounding|(((
	80	+*
	81	+)))|
	82	+
	83	+= **4 Wiring** =
	84	+
116	116	(% style="text-align:center" %)
117		-[[image:image-20220705162452-1.jpeg||height="508" width="740" class="img-thumbnail"]]
	86	+[[image:LX3V-2WT V2.0_html_fca48acd721ccf71.png||class="img-thumbnail" height="468" width="600"]]
118	118
119		-**✎Note:**
	88	+**✎Note: **
120	120
121		-* Impedance of the weighing sensor is greater than 200 Ω.
122		-* Sensors with 4 wires need to have E1+ and F1+ connected, E1- and F1- connected.
	90	+1. Impedance of the weighing sensor is greater than 50 Ω.
	91	+1. Sensors with 4 wires need to have E1+ and F1+ connected, E1- and F1- connected.
123	123
124		-= **5 Buffer register (BFM)** =
	93	+= **5 BFM instruction** =
125	125
126		-== BFM list ==
	95	+== **5.1 BFM list** ==
127	127
128		-|=(% colspan="2" %)**BFM number**|=(% rowspan="2" %)**Power-off hold**|=(% rowspan="2" %)(((
129		-**Read/**
	97	+(% class="table-bordered" %)
	98	+|(% colspan="2" %)**BFM**|(% style="width:77px" %)**Latched**|(% style="width:101px" %)**Read/ Write**|(% style="width:159px" %)**Function**|(% style="width:82px" %)**Default**|(% style="width:92px" %)**Range**|(% style="width:486px" %)**Description**
	99	+|(% colspan="2" %)0|(% style="width:77px" %)O|(% style="width:101px" %)R|(% style="width:159px" %)Model|(% style="width:82px" %)5012|(% style="width:92px" %) |(% style="width:486px" %)LX3V-2WT model number
	100	+|(% colspan="2" %)1|(% style="width:77px" %)O|(% style="width:101px" %)R|(% style="width:159px" %)System version|(% style="width:82px" %)15004|(% style="width:92px" %) |(% style="width:486px" %)Software & hardware version
	101	+|2|42|(% style="width:77px" %)O|(% style="width:101px" %)R/W|(% style="width:159px" %)Unipolar/ Bipolar|(% style="width:82px" %)0|(% style="width:92px" %)0-1|(% style="width:486px" %)(((
	102	+0: bipolar
130	130
131		-**write**
132		-)))|=(% rowspan="2" style="width: 182px;" %)**Register name**|=(% rowspan="2" style="width: 75px;" %)**Default**|=(% rowspan="2" style="width: 134px;" %)**Range**|=(% rowspan="2" style="width: 466px;" %)**Illustrate**
133		-|**CH1**|**CH2**
134		-|(% colspan="2" %)#0|O|R|(% style="width:182px" %)Model type|(% style="width:75px" %)5012|(% style="width:134px" %)-|(% style="width:466px" %)System default, the model number of LX3V-2WT
135		-|(% colspan="2" %)#1|O|R|(% style="width:182px" %)Software version|(% style="width:75px" %)15004|(% style="width:134px" %)-|(% style="width:466px" %)Software version number
136		-|#2|#42|O|R/W|(% style="width:182px" %)Unipolar/Bipolar|(% style="width:75px" %)0|(% style="width:134px" %)0 to 1|(% style="width:466px" %)(((
137		-* 0: Bipolar
138		-* 1: Unipolar
	104	+
	105	+(((
	106	+5: 150 Hz;
	107	+
	108	+6: 300 Hz;
	109	+
	110	+7: 600 Hz;
	111	+
	112	+8: 960 Hz;
	113	+
	114	+9: 2400 Hz;
	115	+
	116	+1: unipolar
139	139	)))
140		-|#3|#43|O|R/W|(% style="width:182px" %)Sampling frequency|(% style="width:75px" %)1|(% style="width:134px" %)0 to 4800|(% style="width:466px" %)(((
141		-* 0: 7.5HZ
142		-* 1: 10HZ
143		-* 2: 25HZ
144		-* 3: 50HZ
145		-* 4: 60HZ
146		-* 5: 150HZ
147		-* 6: 300HZ
148		-* 7: 600HZ
149		-* 8: 960HZ
150		-* 9: 2400HZ
151		-* 10 to 4800: 10Hz to 4800Hz
152	152	)))
153		-|#4|#44|X|R|(% style="width:182px" %)Status code|(% style="width:75px" %)0|(% style="width:134px" %)-|(% style="width:466px" %)For details of each status code, refer to "Buffer Register BFM Description"
154		-|#5|#45|X|R|(% style="width:182px" %)Error code|(% style="width:75px" %)0|(% style="width:134px" %)—|(% style="width:466px" %)(((
155		-A data register that stores all error states. Each error state is determined by the corresponding bit. It is possible to generate more than two error states at the same time.
	119	+|3|43|(% style="width:77px" %)O|(% style="width:101px" %)R/W|(% style="width:159px" %)Frequency|(% style="width:82px" %)1|(% style="width:92px" %)0-9|(% style="width:486px" %)(((
	120	+0: 7.55 Hz;
156	156
157		-* 0 means normal without error
158		-* 1 means there is an error state.
159		-* #45: Reserved
160		-* b0: Abnormal power supply
161		-* b1: Hardware failure
162		-* b2: CH1 conversion error
163		-* b3: CH2 conversion error
164		-* b4: CH1 input calibration parameter error
165		-* b5: CH2 input calibration parameter error
166		-* Others: Reserved
	122	+1: 10 HZ;
	123	+
	124	+2: 25 Hz;
	125	+
	126	+3: 50 Hz;
	127	+
	128	+4: 60 Hz;
167	167	)))
168		-|#6|#46|X|R/W|(% style="width:182px" %)Tare reading|(% style="width:75px" %)0|(% style="width:134px" %)0 to 1|(% style="width:466px" %)(((
169		-Read the current average value as the tare weight value.
	130	+|4|44|(% style="width:77px" %)X|(% style="width:101px" %)R|(% style="width:159px" %)State|(% style="width:82px" %)0|(% style="width:92px" %) |(% style="width:486px" %)(((
	131	+b0: CH1 no-load;
170	170
171		-* 0: Normal (invalid).
172		-* 1: Execute tare setting, then reset to 0.
173		-* Others: Invalid.
	133	+b1: CH2 no-load;
	134	+
	135	+b2: CH1 overload;
	136	+
	137	+b3: CH2 overload;
	138	+
	139	+b4: CH1 measured value is stable;
	140	+
	141	+b5: CH2 measured value is stable;
	142	+
	143	+b6-b15: Reserved;
	144	+
	145	+BFM 44: Reserved;
174	174	)))
175		-|#7|#47|O|R/W|(% style="width:182px" %)(((
176		-Gross weight/ net weigh
	147	+|5|45|(% style="width:77px" %)X|(% style="width:101px" %)R|(% style="width:159px" %)Error Code|(% style="width:82px" %)0|(% style="width:92px" %) |(% style="width:486px" %)(((
	148	+It is the data register for all error states, and each error status is displayed in the corresponding bit, possibly with multiple error states
177	177
178		-display
179		-)))|(% style="width:75px" %)0|(% style="width:134px" %)-|(% style="width:466px" %)(((
180		-Choose to display the current weight as gross weight (K0) or net weight (K1).
	150	+0: No error;
181	181
182		-* 0: display gross weight.
183		-* 1: display net weight.
184		-* 0xF: Channel closed
	152	+1: Error;
	153	+
	154	+b0: Power supply error;
	155	+
	156	+b1: Hardware error;
	157	+
	158	+b2: CH1 conversion error;
	159	+
	160	+b3: CH2 conversion error;
	161	+
	162	+B4 :CH1 input calibration parameter error
	163	+ B5 :CH2 input calibration parameter error
	164	+
	165	+Other bit: Reserved;
	166	+
	167	+BFM45: Reserved;
185	185	)))
186		-|#8|#48|X|R/W|(% style="width:182px" %)Calibration|(% style="width:75px" %)0|(% style="width:134px" %)-|(% style="width:466px" %)(((
187		-The calibration is to make the module match the weight value of the load cell of the weighing module. The default value is 0.
	169	+|6|46|(% style="width:77px" %)X|(% style="width:101px" %)R/W|(% style="width:159px" %)Tare weight Preset|(% style="width:82px" %)0|(% style="width:92px" %)0-1|(% style="width:486px" %)(((
	170	+Use average weight as tare weight:
188	188
189		-* 0x0001: CHI zero instruction.
190		-* 0x0002: CH1 weight base point instruction.
191		-* 0x0003: CH1 no weight calibration instruction. (supported by 15004 and above)
192		-* 0x0004: CH1 modify calibration parameter instruction. (supported by version 15004 and above)
	172	+0: Disabled
193	193
194		-**✎Note: **When a value is written to BFM#8 or BFM#48 using the device monitor, it is automatically reset to 0.
	174	+1: Set tare weight then reset to 0;
	175	+
	176	+Others : Reserved;
195	195	)))
196		-|#9|#49|X|R/W|(% style="width:182px" %)Reset|(% style="width:75px" %)0|(% style="width:134px" %)0 to 3|(% style="width:466px" %)(((
197		-* #49: Reserved
198		-* 1: Reset CH1
199		-* 2: Reset CH2
200		-* 3: Reset all channels
201		-* Others: no action
	178	+|7|47|(% style="width:77px" %)O|(% style="width:101px" %)R/W|(% style="width:159px" %)Gross/Net weight|(% style="width:82px" %)0|(% style="width:92px" %) |(% style="width:486px" %)(((
	179	+Display gross weight or net weight
	180	+
	181	+0: Gross weight;
	182	+
	183	+1: Net weight;
	184	+
	185	+Others: Channels invalid;
202	202	)))
203		-|#10|#50|O|R/W|(% style="width:182px" %)Filtering method|(% style="width:75px" %)0|(% style="width:134px" %)0 to 1|(% style="width:466px" %)Recalibration required after change
204		-|#11|#51|O|R/W|(% style="width:182px" %)Filter strength|(% style="width:75px" %)0|(% style="width:134px" %)0 to 7|(% style="width:466px" %)Recalibration required after change
205		-|#12|#52|O|R/W|(% style="width:182px" %)Zero tracking intervals|(% style="width:75px" %)0|(% style="width:134px" %)0 to 20000|(% style="width:466px" %)When the zero tracking function is enabled, the minimum interval between two consecutive zero resets. The unit is 1ms.
206		-|#13|#53|O|R/W|(% style="width:182px" %)Zero tracking range|(% style="width:75px" %)0|(% style="width:134px" %)0 to 100|(% style="width:466px" %)(((
207		-* 0: Disable the zero tracking function
208		-* Others: Set the zero tracking range (absolute value)
	187	+|8|48|(% style="width:77px" %)X|(% style="width:101px" %)R/W|(% style="width:159px" %)Weight Calibration|(% style="width:82px" %)0|(% style="width:92px" %) |(% style="width:486px" %)(((
	188	+Defaulted to 0
	189	+
	190	+0x0001:Channels 1 set to 0
	191	+
	192	+0x0002:Channels 1 calibrating:
	193	+
	194	+0x0003:CH1 without weight
	195	+
	196	+calibration
	197	+ 0x0004:CH1 modified calibration
	198	+
	199	+parameter error
	200	+
	201	+Step1: Remove all load ;
	202	+
	203	+Step2: BFM #8 (#48) set to 0x0001;
	204	+
	205	+Step3: Add known weight;
	206	+
	207	+Step4: Write known weight to BFM#23 (#63);
	208	+
	209	+Step5: BFM #8 (#48) set to 0x0002;Calibration without weight:
	210	+
	211	+Step1: Do not put any weight on the load cell;
	212	+
	213	+Step2: Write the maximum range of the sensor to #23;
	214	+
	215	+Step3: Write the sensor sensitivity to #39, accurate to three decimal places;
	216	+
	217	+Step4: The value of #8 is written as 0x0003.
	218	+
	219	+Modify calibration parameters:
	220	+
	221	+Step1: Modify the calibration parameter values in BFM#35~~BFM#38;
	222	+
	223	+Step2: The value of #8 is written as 0x0004.
	224	+
	225	+Remark: After writing the value to BFM#8 using the device monitoring, it will be automatically reset to 0.
209	209	)))
210		-|#14|#54|O|R/W|(% style="width:182px" %)Automatically reset after boot|(% style="width:75px" %)0|(% style="width:134px" %)0 to 4|(% style="width:466px" %)(((
211		-* 0: Disable automatic reset at startup
212		-* 1: ±2%MAX
213		-* 2: ±5%MAX
214		-* 3: ±10%MAX
215		-* 4: ±20%MAX
	227	+|9|49|(% style="width:77px" %)X|(% style="width:101px" %)R/W|(% style="width:159px" %)Reset to default|(% style="width:82px" %)0|(% style="width:92px" %)0-3|(% style="width:486px" %)(((
	228	+#49: Keep unused
	229	+
	230	+1: Reset CH1; 2: Reset CH2
	231	+
	232	+3: Reset all channels
	233	+
	234	+Other: No action
216	216	)))
217		-|#15|#55|O|R/W|(% style="width:182px" %)Sensor sensitivity setting (inside the module)|(% style="width:75px" %)4|(% style="width:134px" %)0 to 5|(% style="width:466px" %)(((
218		-* 0:<1V/V
219		-* 1:<125mV/V
220		-* 2:<62.5mV/V
221		-* 3:<31.25V/V
222		-* 4:<15.625mV/V
223		-* 5:<7.812mV/V
	236	+|10|50|(% style="width:77px" %)O|(% style="width:101px" %)R/W|(% style="width:159px" %)Filtering mode|(% style="width:82px" %)0|(% style="width:92px" %)0-1|(% style="width:486px" %)Recalibration required after change
	237	+|11|51|(% style="width:77px" %)O|(% style="width:101px" %)R/W|(% style="width:159px" %)Filtering strength|(% style="width:82px" %)3|(% style="width:92px" %)0-7|(% style="width:486px" %)Recalibration required after change
	238	+|12|52|(% style="width:77px" %)O|(% style="width:101px" %)R/W|(% style="width:159px" %)No Load Zero tracking intensity|(% style="width:82px" %)0|(% style="width:92px" %)0-200|(% style="width:486px" %)(((
	239	+0: Zero tracking disabled
224	224
225		-**✎Note:** Recalibration is required after setting. (Only supported by version 13904 and above)
	241	+Other: Intensity of zero tracking
226	226	)))
227		-|#16|#56|(% rowspan="2" %)(((
228		-
	243	+|13|53|(% style="width:77px" %)O|(% style="width:101px" %)R/W|(% style="width:159px" %)No Load Zero tracking range|(% style="width:82px" %)0|(% style="width:92px" %)1-300|(% style="width:486px" %)(((
	244	+0: No limit
229	229
230		-X
231		-)))|(% rowspan="2" %)(((
232		-
	246	+Others: Up limit
	247	+)))
	248	+|14|54|(% style="width:77px" %)O|(% style="width:101px" %)R/W|(% style="width:159px" %)No load Zeroing at startup|(% style="width:82px" %)0|(% style="width:92px" %)0-4|(% style="width:486px" %)(((
	249	+0: Disabled;
233	233
234		-R
235		-)))|(% style="width:182px" %)Average weight L|(% style="width:75px" %)0|(% rowspan="2" style="width:134px" %)(((
236		--2147483648 to
	251	+1: ±2%MAX;
237	237
238		-2147483647
239		-)))|(% style="width:466px" %)(((
240		-Average weight display value (low word)
	253	+2: ±5%MAX;
	254	+
	255	+3: ±10%MAX;
	256	+
	257	+4: ±20%MAX;
241	241	)))
242		-|#17|#57|(% style="width:182px" %)Average weight H|(% style="width:75px" %)0|(% style="width:466px" %)(((
243		-Average weight display value (high word)
244		-)))
245		-|#18|#58|O|R/W|(% style="width:182px" %)Sliding average|(% style="width:75px" %)5|(% style="width:134px" %)1 to 50|(% style="width:466px" %)(((
246		-The setting range is K1 to K50, and the default value is K5.
	259	+|15|55|(% style="width:77px" %)X|(% style="width:101px" %)R|(% style="width:159px" %)Sensor sensitivity setting|(% style="width:82px" %)4|(% style="width:92px" %)0-5|(% style="width:486px" %)(((
	260	+0: < 1V/V
247	247
248		-When the set value exceeds the range, it is automatically changed to the critical value K1 or K50.
	262	+1: < 125mV/V
	263	+
	264	+2: < 62.5mV/V
	265	+
	266	+3: < 31.25V/V
	267	+
	268	+4: < 15.625mV/V
	269	+
	270	+5: <7.812 mV/V
	271	+
	272	+Note: Please recalibrate after setting
	273	+
	274	+(This function only is available in Software & hardware version 13904 or later)
249	249	)))
250		-|#19|#59|(% rowspan="2" %)O|R/W|(% style="width:182px" %)Tare weight value L|(% rowspan="2" style="width:75px" %)0|(% rowspan="2" style="width:134px" %)(((
251		--2147483648 to
	276	+|16|56|(% rowspan="2" style="width:77px" %)X|(% rowspan="2" style="width:101px" %)R|(% style="width:159px" %)Average weight L|(% rowspan="2" style="width:82px" %)0|(% rowspan="2" style="width:92px" %)Signed 32-bit integer|(% style="width:486px" %)Average weight (Low word)
	277	+|17|57|(% style="width:159px" %)Average weight H|(% style="width:486px" %)Average weight (High word)
	278	+|18|58|(% style="width:77px" %)O|(% style="width:101px" %)R/W|(% style="width:159px" %)Sliding average|(% style="width:82px" %)5|(% style="width:92px" %)1-50|(% style="width:486px" %)Setting range: K1~~K50; settings outside of this range will be changed to the nearest value in the range.
	279	+|19|59|(% rowspan="2" style="width:77px" %)O|(% rowspan="2" style="width:101px" %)R/W|(% style="width:159px" %)Tare weight L|(% rowspan="2" style="width:82px" %)0|(% rowspan="2" style="width:92px" %)(((
	280	+-2147483648~~
252	252
253	253	2147483647
254		-)))|(% rowspan="2" style="width:466px" %)You could write or read the tare weight #7 by instruction.
255		-|#20|#60|R/W|(% style="width:182px" %)Tare weight value H
256		-|#21|#61|O|R/W|(% style="width:182px" %)CH1 Stability check time|(% style="width:75px" %)200|(% style="width:134px" %)0 to 20000|(% style="width:466px" %)Stability check time, used in conjunction with the stability check range. Unit: ms.
257		-|#22|#62|O|R/W|(% style="width:182px" %)Stability check range|(% style="width:75px" %)1|(% style="width:134px" %)1 to 100|(% style="width:466px" %)If the stability check range is set to 100 and the stability check time is set to 200ms, the value is considered to be stable if the current weight bounce range is within 100 for 200ms. In other cases, it is considered unstable, and the stability flag is displayed in BFM#4.
258		-|#23|#63|(% rowspan="2" %)O|R/W|(% style="width:182px" %)(((
259		-Weight value calibration L
260		-)))|(% rowspan="2" style="width:75px" %)1000|(% rowspan="2" style="width:134px" %)(((
261		--2147483648 to
	283	+)))|(% rowspan="2" style="width:486px" %)User can write or read tare weight by command #7
	284	+|20|60|(% style="width:159px" %)Tare weight H
	285	+|21|61|(% style="width:77px" %)O|(% style="width:101px" %)R/W|(% style="width:159px" %)CH1 stability check time|(% style="width:82px" %)200|(% style="width:92px" %)0-20000|(% style="width:486px" %)Stability inspection time, used in conjunction with the stability inspection range, unit: ms
	286	+|22|62|(% style="width:77px" %)O|(% style="width:101px" %)R/W|(% style="width:159px" %)Stability inspection range|(% style="width:82px" %)1|(% style="width:92px" %)1-100|(% style="width:486px" %)If the stability check range is set to 100 and the stability check time is set to 200ms, then the current weight fluctuation range is within 100 and lasts for 200ms, then the value is considered stable, otherwise it is considered unstable, and the stability flag is displayed on BFM#4
	287	+|23|63|(% rowspan="2" style="width:77px" %)O|(% rowspan="2" style="width:101px" %)R/W|(% style="width:159px" %)Weight value adjustment L|(% rowspan="2" style="width:82px" %)1000|(% rowspan="2" style="width:92px" %)(((
	288	+-2147483648~~
262	262
263	263	2147483647
264		-)))|(% rowspan="2" style="width:466px" %)(((
265		-Input weight base point weight with calibration weight
	291	+)))|(% rowspan="2" style="width:486px" %)(((
	292	+Please refer to #8
266	266
267		-Input sensor range without calibration weight
	294	+With weight calibration, enter the weight base point weight, without weight calibration enter the sensor range
268	268	)))
269		-|#24|#64|R/W|(% style="width:182px" %)(((
270		-Weight value calibration H
271		-)))
272		-|#25|#65|(% rowspan="2" %)O|R/W|(% style="width:182px" %)Weight upper limit L|(% rowspan="2" style="width:75px" %)32767|(% rowspan="2" style="width:134px" %)(((
273		--2147483648 to
	296	+|24|64|(% style="width:159px" %)Weight value adjustment H
	297	+|25|65|(% rowspan="2" style="width:77px" %)O|(% rowspan="2" style="width:101px" %)R/W|(% style="width:159px" %)Maximum L|(% rowspan="2" style="width:82px" %)32767|(% rowspan="2" style="width:92px" %)(((
	298	+-2147483648~~
274	274
275	275	2147483647
276		-)))|(% rowspan="2" style="width:466px" %)You could set the maximum weight value. When the measured value exceeds the set value, an error code will be recorded.
277		-|#26|#66|R/W|(% style="width:182px" %)Weight upper limit H
278		-|#27|#67|(% rowspan="2" %)O|R/W|(% style="width:182px" %)(((
279		-Zero judgment check
	301	+)))|(% rowspan="2" style="width:486px" %)User can set the max value, it will record the error code when measured value exceed set value
	302	+|26|66|(% style="width:159px" %)Maximum H
	303	+|27|67|(% rowspan="2" style="width:77px" %)O|(% rowspan="2" style="width:101px" %)R/W|(% rowspan="2" style="width:159px" %)Zero weight detection up limit|(% rowspan="2" style="width:82px" %)10|(% rowspan="2" style="width:92px" %)(((
	304	+-2147483648~~
280	280
281		-upper limit L
282		-)))|(% rowspan="2" style="width:75px" %)10|(% rowspan="2" style="width:134px" %)(((
283		--2147483648 to
284		-
285	285	2147483647
286		-)))|(% rowspan="4" style="width:466px" %)(((
287		-Zero point judgment function:
	307	+)))|(% rowspan="4" style="width:486px" %)(((
	308	+Zero weight detection function, used to tell if all loads have been removed.
288	288
289		-You could use the zero point judgment function to know that the item has been removed from the weighing module. You could judges that the measurement value is stable and the Bit is 1, which means that the item has been removed from the weighing module, and you could perform the next step at this time. (The zero point weight Bit in the zero point judgment range is 1)
	310	+Reading of the bit to indicate stable reading becoming 0 means all loads have been removed.
290	290	)))
291		-|#28|#68|R/W|(% style="width:182px" %)Zero judgment check upper limit H
292		-|#29|#69|(% rowspan="2" %)O|R/W|(% style="width:182px" %)Zero judgment check lower limit L|(% rowspan="2" style="width:75px" %)-10|(% rowspan="2" style="width:134px" %)(((
293		--2147483648 to
	312	+|28|68
	313	+|29|69|(% rowspan="2" style="width:77px" %)O|(% rowspan="2" style="width:101px" %)R/W|(% rowspan="2" style="width:159px" %)Zero weight detection down limit|(% rowspan="2" style="width:82px" %)-10|(% rowspan="2" style="width:92px" %)(((
	314	+-2147483648~~
294	294
295	295	2147483647
296	296	)))
297		-|#30|#70|R/W|(% style="width:182px" %)Zero judgment check lower limit H
298		-|#31|#71|X|R/W|(% style="width:182px" %)Additional function options|(% style="width:75px" %)0|(% style="width:134px" %)0 to 1|(% style="width:466px" %)(((
299		-* 0: Default value. Additional functions are not enabled
300		-* 1: Enable filter reset function.
301		-* Others: Reserved
302		-)))
303		-|#32|#72|X|R/W|(% style="width:182px" %)(((
304		-Additional functions
	318	+|30|70
	319	+|31|71|(% style="width:77px" %)X|(% style="width:101px" %)R/W|(% style="width:159px" %)Additional function options|(% style="width:82px" %)0|(% style="width:92px" %)0~~1|(% style="width:486px" %)(((
	320	+0: Default, disable additional functions;
305	305
306		-Parameter 1
307		-)))|(% style="width:75px" %)0|(% style="width:134px" %)0 to 100|(% style="width:466px" %)(((
	322	+1: Enable filter reset function.
	323	+
	324	+Other: Reserved
	325	+)))
	326	+|32|72|(% style="width:77px" %)X|(% style="width:101px" %)R/W|(% style="width:159px" %)Additional function parameters|(% style="width:82px" %)0|(% style="width:92px" %)0~~100|(% style="width:486px" %)(((
308	308	Enable filter reset function:
309	309
310		-* 0: The default value does not work
311		-* 0 to 100: The number of sampling cycles to wait to restart filtering. The values collected during the period are accumulated and averaged as the initial value of filtering.
	329	+0: Default;
	330	+
	331	+0~~100: The number of sampling cycles to wait for the filter to restart.
	332	+
	333	+The value collected during the accumulation of the average, as the initial value of filtering
312	312	)))
313		-|#33|#73|X|R|(% style="width:182px" %)Digital value L|(% rowspan="2" style="width:75px" %)0|(% rowspan="2" style="width:134px" %)-|(% rowspan="2" style="width:466px" %)Digital quantity collected by ADC
314		-|#34|#74|X|R|(% style="width:182px" %)Digital value H
315		-|#35|#75|(% rowspan="2" %)O|(% rowspan="2" %)R/W|(% rowspan="2" style="width:182px" %)Calibration parameter A|(% rowspan="2" style="width:75px" %)1|(% rowspan="2" style="width:134px" %)(((
316		--3.402823E+38
	335	+|33|73|(% style="width:77px" %)X|(% style="width:101px" %)R|(% style="width:159px" %)Digital value L|(% style="width:82px" %)0|(% style="width:92px" %)-|(% style="width:486px" %)The number of ADC acquisitions
	336	+|34|74|(% style="width:77px" %)X|(% style="width:101px" %)R|(% style="width:159px" %)Digital value H|(% style="width:82px" %) |(% style="width:92px" %) |(% style="width:486px" %)
	337	+|35|75|(% rowspan="2" style="width:77px" %)O|(% rowspan="2" style="width:101px" %)R/W|(% rowspan="2" style="width:159px" %)Calibration parameter A|(% rowspan="2" style="width:82px" %)1|(% rowspan="2" style="width:92px" %)(((
	338	+-3.402823E+38~~
317	317
318		-to 3.402823E+38
319		-)))|(% rowspan="4" style="width:466px" %)Described in CH1:
320		-After modifying the calibration parameters, #8 does not write 4, it is only displayed, and not used for weight value calculation, and will not be saved when power off. After #8 is written to 4, if the parameter range is correct, write and save it for weight value calculation, # 4 error code Bit4 is set to 0. If the parameter range is wrong, no write operation is performed, and #4 error code Bit4 is set to 1.
321		-|#36|#76
322		-|#37|#77|(% rowspan="2" %)O|(% rowspan="2" %)R/W|(% rowspan="2" style="width:182px" %)Calibration parameter B|(% rowspan="2" style="width:75px" %)0|(% rowspan="2" style="width:134px" %)(((
323		--3.402823E+38
	340	+3.402823E+38
	341	+)))|(% rowspan="4" style="width:486px" %)(((
	342	+Explain by CH1:
324	324
325		-to 3.402823E+38
	344	+After modifying the calibration parameters, #8 does not write 4, which is only displayed, not used for weight value calculation, and does not save after power off; #8 After writing 4, if the parameter range is correct, write and save it for weight value calculation 4 Error code Bit4 is set to 0, if the parameter range is wrong, no write operation will be performed, #4 error code Bit4 is set to 1.
326	326	)))
327		-|#38|#78
328		-|#39|#79|O|R/W|(% style="width:182px" %)Sensor sensitivity (specification)|(% style="width:75px" %)2000|(% style="width:134px" %)0 to 32767|(% style="width:466px" %)The default setting of 2000 means 2mV/V. For calibration without weights, you need to set the sensitivity and accuracy of the sensor. The sensitivity range is 0 to 32.767mV/V, the sensor sensitivity BFM#39 input negative value, directly convert it to 32767 and execute.
329		-For example: Modified to 1942 represent 1.942mV/V.
330		-|#40|#80|X|R/W|(% style="width:182px" %)Sensor feedback voltage L|(% style="width:75px" %)0|(% style="width:134px" %)-|(% style="width:466px" %)(((
	346	+|36|76
	347	+|37|77|(% rowspan="2" style="width:77px" %)O|(% rowspan="2" style="width:101px" %)R/W|(% rowspan="2" style="width:159px" %)Calibration parameter B|(% rowspan="2" style="width:82px" %)0|(% rowspan="2" style="width:92px" %)(((
	348	+-3.402823E+38~~
	349	+
	350	+3.402823E+38
	351	+)))
	352	+|38|78
	353	+|39|79|(% style="width:77px" %)O|(% style="width:101px" %)R/W|(% style="width:159px" %)Sensor sensitivity (specification)|(% style="width:82px" %)2000|(% style="width:92px" %)0-32767|(% style="width:486px" %)(((
	354	+The default setting of 2000 represents 2mV/V, and calibration without weights needs to set the sensor sensitivity accuracy. The sensitivity range can be set to 0~~32.767mV/V, the sensor sensitivity BFM#39 enters a negative value, and it is directly converted to 32767 for execution.
	355	+
	356	+Example: Modified to 1942 means 1.942mV/V.
	357	+)))
	358	+|40|80|(% style="width:77px" %)O|(% style="width:101px" %)R/W|(% style="width:159px" %)Sensor feedback voltage L|(% style="width:82px" %)0|(% style="width:92px" %)-|(% style="width:486px" %)(((
331	331	Write:
332	332
333		-* 0: not displayed
334		-* 1: Display the current sensor feedback voltage in real time
335		-* 2: Display the zero-point voltage during calibration
336		-* 3: Display the voltage reading of the applied weight during calibration:
	361	+0: do not display
337	337
338		-Displays the low bit of the voltage value. Unit: uV.
	363	+1: Real-time display of current sensor feedback voltage
	364	+
	365	+2: Display the zero point voltage during calibration
	366	+
	367	+3: Display the voltage of the weight applied during calibration
	368	+
	369	+Read:
	370	+
	371	+Display the low digit of the voltage value in uV.
339	339	)))
340		-|#41|#81|X|R|(% style="width:182px" %)(((
341		-Sensor feedback
	373	+|41|81|(% style="width:77px" %)O|(% style="width:101px" %)R|(% style="width:159px" %)Sensor feedback voltage H|(% style="width:82px" %)0|(% style="width:92px" %)-|(% style="width:486px" %)(((
	374	+Read:
342	342
343		-voltage H
344		-)))|(% style="width:75px" %)0|(% style="width:134px" %)-|(% style="width:466px" %)Read: Displays the low bit of the voltage value. Unit: uV.
	376	+Display the high digit of the voltage value in uV.
	377	+)))
345	345
346		-**✎Note:**
	379	+**✎Note: **
347	347
348		-* O means retentive type.
349		-* X means non-retentive type.
350		-* R means readable data.
351		-* W means writable data.
	381	+1. O: yes;
	382	+1. X: no;
	383	+1. R: read;
	384	+1. W: write;
352	352
353		-== **BFM description** ==
	386	+== **5.2 Buffer (BFM) description** ==
354	354
355		-**BFM0: Module code**
	388	+* **BFM0: Module code**
356	356
357		-LX3V-2WT model code: 5012
	390	+LX3V-2WT V3 code: 5012
358	358
359		-**BFM1: module version**
	392	+* **BFM1: module version**
360	360
361		-The software version is displayed in decimal, which is used to indicate the software version of the expansion module.
	394	+Module version (decimal)
362	362
363		-**BFM2: Polarity**
	396	+**Example**
364	364
365		-For bipolar, the signal will go through zero while it is in changing process, but unipolar will not. The result of the conversion from analog value to digital value is signed, so for bipolar signal the value could be minus.
	398	+BFM1=120, means V1.2.0
366	366
367		-**BFM3: Sampling frequency**
	400	+* **BFM2: Polarity**
368	368
369		-The frequency of input signal reading, the lower the frequency is, the more stable the value it gets, and the higher the precision is, but the lower speed gets.
	402	+For bipolar, the signal will go through zero while it is in changing process, but unipolar will not. The result of the conversion from analog value to digital value is signed, so for bipolar signal the value could be minus.
370	370
371		-|=(% scope="row" %)**Setting**|=**Sample frequency (HZ)**|=**Sample precision (Bits)**|=**Setting**|=**Sample frequency (HZ)**|=**Sample precision (Bits)**
372		-|=0|7.5|23.5|5|150|21.5
373		-|=1|10|23.5|6|300|21
374		-|=2|25|23|7|600|20.5
375		-|=3|50|22|8|960|20
376		-|=4|60|22|9|2400|17.5
377		-|=4800|4800|15|-|-|-
	404	+* **BFM3: Sampling frequency**
378	378
379		-**BFM4: State code**
	406	+The frequency of input signal reading, the lower the frequency is, the more stable the value it gets, and the higher the precision is, but the lower speed gets.
380	380
381		-|=(% rowspan="2" scope="row" %)**Bit NO.**|(% colspan="2" %)**Status code**
382		-|=**1**|**0**
383		-|=Bit0|CH1 zero weight (no load)|CH1 is not empty
384		-|=Bit1|CH2 zero weight (no load)|CH2 is not empty
385		-|=Bit2|(((
386		-CH1 exceeds weight upper limit (overload)
	408	+(% class="table-bordered" %)
	409	+|**Setting**|**Sample frequency (HZ)**|**Sample precision (Bits)**|**Setting**|**Sample frequency (HZ)**|**Sample precision (Bits)**
	410	+|0|7.5|23.5|5|150|21.5
	411	+|1|10|23.5|6|300|21
	412	+|2|25|23|7|600|20.5
	413	+|3|50|22|8|960|20
	414	+|4|60|22|9|2400|17.5
387	387
388		-**✎Note: **The upper limit weight is set by #27 and #28.
389		-)))|CH1 is not overloaded
390		-|=Bit3|(((
391		-CH2 exceeds weight upper limit (overload)
	416	+* **BFM4: State code**
392	392
393		-**✎Note: **The upper limit weight is set by #27 and #28.
394		-)))|CH2 is not overloaded
395		-|=Bit4|CH1 measurement value is stable|CH1 measurement value is unstable
396		-|=Bit5|CH2 measurement value is stable|CH2 measurement value is unstable
397		-|=Bit6|CH1 uncalibrated / calibrated error|CH1 calibrate successfully
398		-|=Bit7|CH2 uncalibrated / calibrated error|CH2 calibrate successfully
399		-|=(((
400		-Bit8
	418	+(% class="table-bordered" %)
	419	+|(% rowspan="2" %)**Bit No.**|(% colspan="2" %)**Description**
	420	+|**1**|**0**
	421	+|Bit 0|CH1 no-load|CH1 load
	422	+|Bit 2|CH1 over-load|CH1 not over-load
	423	+|Bit 4|CH1 stable|CH1 unstable
	424	+|Bit 6|CH1 uncalibrated/calibrated error|CH1 calibration successful
	425	+|(((
	426	+Bit 8
401	401
402		-Bit9
	428	+Bit 9
403	403	)))|(((
404		-* 00: no error
405		-* 10: The weight of the base point of weight is too large
406		-)))|(((
407		-* 01: No-load calibration
408		-* 11: Uncalibrated
409		-)))
410		-|=(((
411		-Bit10
	430	+00: no error
412	412
413		-Bit11
	432	+10: The base point of the weight is too heavy
414	414	)))|(((
415		-* 00: no error
416		-* 10: The weight of the base point of weight is too large
417		-)))|(((
418		-* 01: No-load calibration
419		-* 11: Uncalibrated
	434	+01: No-load calibration
	435	+
	436	+11: Not calibrated
420	420	)))
421		-|=Bit12|(((
	438	+|Bit 12|(((
422	422	CH1 exceeds the sensor range
423	423
424		-**✎Note:** Determined by sensor feedback voltage
425		-)))|CH1 is within the sensor range
426		-|=Bit14|CH1 enters the calibration without weights|CH1 has not entered the calibration without weights
427		-|=Bit15|CH2 enters the calibration without weights|CH2 has not entered the calibration without weights
	441	+Note: Determined by sensor feedback voltage
	442	+)))|CH1 within the sensor range
428	428
429		-**BFM5: Error code**
	444	+* **BFM5: Error code**
430	430
431		-|=**Bit NO.**|=**Content**|=**Error state**
432		-|Bit0|K1 (H0001)|Abnormal power supply
433		-|Bit1|K2 (H0002)|Hardware fault
434		-|Bit2|K4 (H0004)|CH1 conversion error
435		-|Bit3|K8 (H0008)|CH2 conversion error
436		-|Bit4|K16 (H0010)|CH1 write calibration parameter error
437		-|Bit5|K32 (H0020)|CH2 write calibration parameter error
438		-|Others|(% colspan="2" %)Reserved
439		-|BFM#45|(% colspan="2" %)Reserved
440		-(% class="info" %)|(% colspan="3" %)(((
441		-**✎Note:** A data register that stores all error states. Each error state is determined by the corresponding bit. It is possible to generate more than two error states at the same time. 0 means normal without error; 1 means there is an error state.
442		-)))
	446	+(% class="table-bordered" %)
	447	+|**Bit No.**|**Value**|**Error**|(% colspan="2" %)**Bit No.**|**Value**|**Error**
	448	+|bit 0|K1(H0001)|Power failure|(% colspan="2" %)bit 1|K1(H0001)|Hardware failure
	449	+|bit 2|K4(H0004)|CH1 conversion error|(% colspan="2" %)bit 3|K8(H0008)|CH2 conversion error
	450	+|bit 4|K16(H0010)|CH1 write calibration parameter error|(% colspan="2" %)bit 5|K32(H0020)|CH2 write calibration parameter error
	451	+|Other|(% colspan="3" %)Reserved|(% colspan="2" %)BFM#45|Reserved
	452	+|(% colspan="7" %)**✎Note: **The data register that stores all error states. Each error state is determined by a corresponding bit. More than two error states may occur at the same time. 0 means normal and no error, and 1 means there is a state.
443	443
444		-**Tare setting: **CH1-BFM6, CH2-BFM46
	454	+* **BFM6: Tare weight setting**
445	445
446		-Writing 1 to CH1-BFM6/CH2-BFM46 is valid; After execution, reset to 0. Select the current weight value (BFM16-17) as the weight value for the tare weight (BFM19-20). Takes CH1 as an example.
	456	+Set the current weight value (BFM16-17) as a tare (BFM19-20) weight. Every bit represents a different channel, which is set to 1 to mean enabled, reset to 0 after being set.
447	447
448		-The current weight value is 100, after tare setting:
	458	+**Use CH1 as example**
449	449
450		-* If the gross weight is currently displayed (BFM7=0), the tare weight (BFM19-20) becomes 100, and the current weight is still 100;
451		-* If the net weight is currently displayed (BFM7=1), the tare weight (BFM19-20) becomes the original value + the current weight value, and the current weight value becomes 0.
	460	+The current weight is 100, after setting tare weight;
452	452
453		-**BFM8: Weight calibration instruction**
	462	+If it displays gross weight (BFM7 = 0) currently, the tare weight (BFM19-20) will become 100, the current weight is still 100;
454	454
455		-Steps are as follows. (Described with CH1)
	464	+If it displays net weight (BFM7 = 1), the tare weight (BFM19-20) will be original value + current weight value, the current weight value becomes zero;
456	456
457		-* Calibration with weights
458		-** Step1: Do not put any weights on the load cell.
459		-** Step2: Write 0x0001 to #8.
460		-** Step3: Add standard weights to the load cell.
461		-** Step4: Write the weight of the current weight on the chassis into #23.
462		-** Step5: Write 0x0002 to #8.
463		-* Weightless calibration
464		-** Step1: Do not put any weights on the load cell.
465		-** Step2: Write the maximum range of the sensor into #23.
466		-** Step3: Write the sensor sensitivity into #39, accurate to three decimal places.
467		-** Step4: Write 0x0003 to #8.
468		-* Modify calibration parameters:
469		-** Step1: Modify the calibration parameter values in BFM#35 to BFM#38;
470		-** Step2: Write 0x0004 to #8.
	466	+* **BFM8: Adjust the weight command. User adjustment steps: (describe with CH1)**
471	471
472		-(% class="box infomessage" %)
473		-(((
474		-**✎Note: **When a value is written to BFM#8 or BFM#48 using the device monitor, it is automatically reset to 0.
475		-)))
	468	+There is a weight calibration:
476	476
477		-**BFM11: filtering strength**
	470	+Step1: Do not put any weight on the load cell;
478	478
	472	+Step2: #8 value is written as 0x0001;
	473	+
	474	+Step3: Add standard weights to the load cell;
	475	+
	476	+Step4: Write the weight of the current weight on the chassis to #23;
	477	+
	478	+Step5: The #8 value is written as 0x0002.
	479	+
	480	+Calibration without weight:
	481	+
	482	+Step1: Do not put any weight on the load cell;
	483	+
	484	+Step2: Write the maximum range of the sensor to #23;
	485	+
	486	+Step3: Write the sensor sensitivity to #39, accurate to three decimal places;
	487	+
	488	+Step4: The #8 value is written as 0x0003.
	489	+
	490	+Modify calibration parameters:
	491	+
	492	+Step1: Modify the calibration parameter values in BFM#35~~BFM#38;
	493	+
	494	+Step2: The #8 value is written as 0x0004.
	495	+
	496	+Remarks: After using the device monitoring to write a value to BFM#8 or BFM#48, it will automatically reset to 0.
	497	+
	498	+* **BFM11: filtering strength**
	499	+
479	479	The higher the filter strength is, the more stable and accurate the weight value is. But the delay time will increase accordingly, and the sensitivity will decrease.
480	480
481		-**BFM12: zero tracking interval**
	502	+* **BFM12: zero tracking strength**
482	482
483		-BFM#12 is used in conjunction with BFM#13. When BFM#13 is not 0, BFM#12 indicates the interval between the current automatic weight reset and the next automatic reset to prevent continuous reset.
	504	+Zero-tracking is to have a constant 0 when there’s no load. Zero tracking intensity means the weight counts 0 when it’s within the range to reduce the influence of temperature drift.
484	484
485		-(% class="box infomessage" %)
486		-(((
487		-**✎Note:** This function is generally used to correct sensor temperature drift.
488		-)))
	506	+(% class="table-bordered" %)
	507	+|**Setting**|**Description**|**Note**
	508	+|0|Zero tracking OFF|Default
	509	+|1-200|Range of weight value|10 means ± 10
	510	+|Others|Reserved|
	511	+|(% colspan="3" %)**✎Note: **This feature can be disabled when high precision is not required.
489	489
490		-**BFM13: Zero tracking range**
	513	+* **BFM13:Range of Zero tracking**
491	491
492		-The accumulation range of zero point tracking. If the accumulation exceeds this range, the tracking will not continue.
	515	+Accumulated range of zero tracking, stop tracking when out of range
493	493
494		-|=(% scope="row" style="width: 95px;" %)**Settings**|=(% style="width: 612px;" %)**Description**|=(% style="width: 369px;" %)**Remark**
495		-|(% style="width:95px" %)0|(% style="width:612px" %)Do not enable zero tracking|(% style="width:369px" %)Default
496		-|(% style="width:95px" %)1 to 300|(% style="width:612px" %)When setting the zero tracking range (absolute value), tracking must be performed when the value is stable and the current weight is within the zero tracking range.|(% style="width:369px" %)(((
497		-If set to 10, the current weight is ±9 and the stable flag is 1, the current weight is cleared.
498		-)))
499		-(% class="info" %)|(% colspan="3" %)**✎Note: **When the accuracy of the measured items is not high, the temperature drift has little effect, and this function is not required.
	517	+Table 5‑6
500	500
501		-E.g: The setting value is 100, after the zero point drifts from the 0 position to more than ±100, the tracking will not continue. If it drifts back to within ±100, the tracking will be resumed.
	519	+(% class="table-bordered" %)
	520	+|**Setting**|**Description**|**Note**
	521	+|0|Disable zero tracking|Default
	522	+|1-300|Range of weight value|10 means ±10
	523	+|Others|Reserved|
	524	+|(% colspan="3" %)**✎Note: **This feature can be disabled when high precision is not required.
502	502
503		-**BFM15: Set the AD chip gain**
	526	+**Example**
504	504
505		-**I**t can be set according to the sensor range. After the BFM is set, it needs to be re-calibrated.
	528	+Setting value is 100, when the position within ± 100, it will be read as no-load.
506	506
507		-|=**BFM15**|=**voltage range**|=**Sensor sensitivity**
508		-|0|±5V|<1V/V
509		-|1|±625mV|<125mV/V
510		-|2|±312.5mV|<62.5mV/V
511		-|3|±156.2mV|<31.25mV/V
512		-|4|±78.125mV|<15.625mV/V
513		-|5|±39.06mV|<7.812mV/V
	530	+* **BFM15: Set AD chip gain**
514	514
515		-== **Function description** ==
	532	+It can be set according to the sensor range
516	516
517		-**Net weight measurement function**
	534	+(% class="table-bordered" %)
	535	+|**BFM15**|**Voltage range**|**Sensor sensitivity**
	536	+|0|± 5V|< 1V/V
	537	+|1|± 625mV|< 125mV/V
	538	+|2|±312.5 mV|< 62.5mV/V
	539	+|3|±156.2 mV|< 31.25V/V
	540	+|4|±78.125 mV|< 15.625mV/V
	541	+|5|±39.06 mV|<7.812 mV/V
518	518
519		-You could choose whether the measured weight is net weight or gross weight. Net weight refers to the weight of the product itself, that is, the actual weight of the product after removing the weight of the outer packaging. The weight of the outer packaging is generally called the tare weight, and the gross weight is the total weight, which refers to net weight plus tare weight.
	543	+== **5.3 Function Instructions** ==
520	520
521		-* Tare weigh:t Refers to the weight of the outer packaging.
522		-* Net weight: Refers to the weight of the product itself, that is, the actual weight of the product after removing the weight of the outer packaging.
523		-* Gross weight: Refers to the total weight, that is, the weight of the product itself (net weight), plus the weight of the outer packaging (tare weight)
524		-* Gross weight = net weight + tare weight
	545	+**Net weight measurement**
525	525
526		-E.g: There is a product that is 10KG, the carton it is packed in weighs 0.2KG, and the total weight is 10.2KG.
	547	+It can be set to measure net weight or gross weight. The Net weight means the weight of the product itself, that is, the actual weight of the product without its external packaging.
527	527
528		-* Net weight=10KG
529		-* Tare weight=0.2KG
530		-* Gross weight=10.2KG
	549	+The weight of the packaging is called the tare weight. The gross weight is the total weight, namely the net weight plus the tare weight.
531	531
532		-E.g: Use CH1 to measure the value to display the net weight, and CH2 to select OFF. (If the weight of the outer package is known, you can skip the step of reading the tare weight).
	551	+1. Tare weight: weight of the packaging
	552	+1. Net weight: the weight of the product, excluding the packaging.
	553	+1. Gross weight: the net weight plus the tare of the product.
	554	+1. Gross weight= net weight + tare weight.
533	533
534		-* Read the tare value
535		-** Write H0000 in BFM7;
536		-** Place the package on the CH1 weighing module;
537		-** Write H0001 in BFM6, and take the current package weight as the tare weight.
538		-* Set BFM7=H0001
	556	+**Example 1**
539	539
540		-**Stability check**
	558	+A product weighs 10kg and the carton contains it weighs 0.2kg, then its gross weight is 10.2 kg (net weight=10kg, tare weight=0.2kg, gross weight=10.2kg)
541	541
542		-When placing the item on the weighing module to measure the weight, the user can use the stability check function to know that the current measurement value is stable.
	560	+**Example2**
543	543
544		-* If the variation range of the measured value is within the stable range #22 set by the user, the #4 stable bit of the measured value will be set to 1.
545		-* When the variation range of the measured value exceeds the set stability range, the #4 stable bit of the measured value will be set to 0, until the stability check time #21 is within the stable range, the #4 stable bit of the measured value will be set to 1 again.
	562	+Use the measured value at CH1 as the net weight. If you know the weight of the packaging already, you can skip the step of reading tare weight.
546	546
547		-E.g: The stability check time is set to 200ms, and the stability check range is 10. When the change range exceeds 10, the measurement value is unstable, that is, the #4 stable bit of the measured value will be set to 0. When the beating range is within 10 within 200ms, the stable bit of the measurement value will be set to 1 again. (It is recommended that the user should judge whether the current measurement value is stable before performing control).
	564	+* Read the tare weight
548	548
549		-**Zero point judgment**
	566	+Step 1: Write H0000 into BFM7.
550	550
551		-You could use the zero point judgment function to know that the item has been removed from the weighing module. You could judge that the measurement value is stable and the Bit is 1, which means that the item has been removed from the weighing module, and you could perform the next step at this time. (The zero point weight Bit in the zero point judgment range is 1).
	568	+Step 2: Place the packaging on the CH1 load cell.
552	552
553		-**Filter function**
	570	+Step 3: Write H0001 into BFM6 to take the weight of the packaging as the tare weight.
554	554
555		-The average value is the function of summing and averaging the read values to obtain a slowing value, but the environment used will have unavoidable external force factors, which will cause the read value to have a sharp change in the surge value. The change also becomes larger. The function of filtering is not to include the sharply changing surge value in the aggregated average, and the obtained filtered average value will not be affected by the sharply changed surge value.
	572	+* Set BFM7 = H00F1.
556	556
	574	+**Standstill check function**
	575	+
	576	+When an object is placed on the load cell to measure its weight, you can use the standstill check function to know whether the current reading has been stabilized.
	577	+
	578	+* If the measured value shifts within the range (BFM 22) of standstill check set up by the user, BFM4’bit 4 will be set to “1”.
	579	+* If the measured value shifts beyond the range for standstill check set up by the user, bit4 will be set to “0”. They will be set to “1” again when the range is returned to the set range.
	580	+
	581	+**Example**
	582	+
	583	+The measuring time is 10ms, the times of standstill check is 10, and the range for standstill check is 1,000. When the range for standstill check exceeds 1,000, the reading is considered unstable, i.e. BFM4’bit4 will be set to 0. When the measuring time is within 100ms (10 × 10ms) and the range returns to be within 1,000, BFM4’bit4 will be set to 1 again. We recommend you check if the measured value is stable enough before operating it.
	584	+
	585	+* **Zero detection function**
	586	+
	587	+Users can use this function to know whether the object has been removed from the load cell. If the BFM4’bit4 is 1, and the BFM4’bit0 and bit1 are 1 as well, the object has been removed from the load cell already, and you can proceed to the next step.
	588	+
	589	+* **Filtering**
	590	+
	591	+This setting is used to exclude noises from the readings, which are introduced by environmental factors.
	592	+
557	557	= **6 Example** =
558	558
559		-**Current state of weight**
	595	+* **Current state of weight**
560	560
561	561	(% style="text-align:center" %)
562		-[[image:image-20220622145646-14.png||height="51" width="330" class="img-thumbnail"]]
	598	+[[image:LX3V-2WT V2.0_html_6bc45b23c2b79282.png||class="img-thumbnail" height="77" width="500"]]
563	563
564		-Read the current weighing state BFM4 and judge it by Bit state. For details, please refer to the description of BFM4 in "5.2 Buffer Register Description".
	600	+Read the current state BFM4. More information, please refer to __[[5.2>>path:#_5.2_Buffer_(BFM)]]__
565	565
566		-**Get current weight value**
	602	+* **Get current weight value**
567	567
568	568	(% style="text-align:center" %)
569		-[[image:image-20220622145005-7.png||height="51" width="385" class="img-thumbnail"]]
	605	+[[image:LX3V-2WT V2.0_html_5f4a500276a0a3a0.png||class="img-thumbnail" height="66" width="500"]]
570	570
571		-Write the average weight value (BFM16) of CH1 in the weighing module into D0.
	607	+Write average weight value (BFM16) to D0
572	572
573		-**Calibrating weight**
	609	+* **Calibrating weight**
574	574
575		-*In the new version, the first step can also be used for manual reset.
	611	+(% style="text-align:center" %)
	612	+[[image:LX3V-2WT V2.0_html_c4b24548535207d3.png||class="img-thumbnail" height="252" width="500"]]
576	576
577		-The adjustment is to make the module match the weight value of the load cell of the weighing module. The adjustment steps are as follows. Described with CH1.
	614	+Step 1: Remove all weights;
578	578
579		-(% style="text-align:center" %)
580		-[[image:image-20220705162540-3.jpeg||height="194" width="779" class="img-thumbnail"]]
	616	+Step 2: Write 0x0001 to #8;
581	581
582		-**Tare weight and gross weight**
	618	+Step 3: Add known weights;
583	583
	620	+Step 4: Write known weights (D2) to #23;
	621	+
	622	+Step 5: Write 0x0002 to #8
	623	+
	624	+*In the new version, the step 1 can be used for manual reset.
	625	+
	626	+Adjustment and calibration are to make sure the weight values of module and the heavy load units of module to be consistent.
	627	+
	628	+* **Tare weight and gross weight**
	629	+
584	584	(% style="text-align:center" %)
585		-[[image:image-20220705162551-4.jpeg||height="289" width="778" class="img-thumbnail"]]
	631	+[[image:LX3V-2WT V2.0_html_5b9b9b62d33c4a7e.png||class="img-thumbnail" height="293" width="500"]]
586	586
587		-**Filter mode setting**
	633	+Set value as tare weight by writing K1 to BFM6
588	588
589		-After setting the filtering mode and filtering strength, you need to calibrate it again.
	635	+Set the value as Net weight by writing K1 to BFM7
590	590
	637	+Set the value as gross weight by writing K0 to BFM7
	638	+
	639	+* **Filter method and strength**
	640	+
591	591	(% style="text-align:center" %)
592		-[[image:image-20220705162602-5.jpeg||height="197" width="774" class="img-thumbnail"]]
	642	+[[image:LX3V-2WT V2.0_html_187c088ffaacd7f1.png||class="img-thumbnail" height="194" width="500"]]
593	593
594		-**Zero tracking**
	644	+Set filtering by writing value to BFM10
595	595
596		-Zero tracking is used to reduce the temperature drift interference;
	646	+Set filtering by writing value to BFM11
597	597
598		-Set Zero Tracking Intensity to 0 to disable tracking. Set Zero Tracking Range to 0 to make it is unlimited.
	648	+After setting the filtering mode and filtering strength, need to calibrate again.
599	599
	650	+* **Zero tracking**
	651	+
600	600	(% style="text-align:center" %)
601		-[[image:image-20220705162610-6.jpeg||class="img-thumbnail"]]
	653	+[[image:LX3V-2WT V2.0_html_9b603f9448600b12.png||class="img-thumbnail" height="196" width="500"]]
602	602
603		-**Calibration without weights**
	655	+Zero tracking is used to reduce the temperature drift interference;
604	604
	657	+Set Zero Tracking Intensity to 0 to disable tracking. Set Zero Tracking Range to 0 to make it is unlimited.
	658	+
	659	+* **Calibration without weights**
	660	+
605	605	Calibration without weights is performed by the zero point of the sensor and the maximum range of the sensor. The accuracy is related to the sensor specifications and depends on the sensor sensitivity (mV/V).
606	606
607	607	Example: The sensitivity of LAB-B-B sensor is 2.0±10%mV/V, and there may be a maximum error of 10%, so it is best to use a sensor with a small sensor sensitivity error to use this function.
608	608
609	609	(% style="text-align:center" %)
610		-[[image:image-20220705162619-7.jpeg||height="319" width="756" class="img-thumbnail"]]
	666	+[[image:LX3V-2WT V2.0_html_735f5d0ddc4d01c3.png||class="img-thumbnail" height="391" width="500"]]
611	611
612		-**Modify calibration parameters**
	668	+(((
	669	+Step1: Write the sensor range in D8 to BFM23:
613	613
	671	+Example: measuring range 3kg, D8 value setting 3000
	672	+
	673	+Step2: write the sensor sensitivity in D9 into BFM39:
	674	+
	675	+Example: Sensitivity: 1.942mV/V, D9 value set to 1942;
	676	+
	677	+Step3: write value K4 to BFM8 and confirm to write calibration parameters.
	678	+)))
	679	+
	680	+* **Modify calibration parameters**
	681	+
	682	+Step1: Write the floating point number in D10 into BFM35~~BFM36;
	683	+
	684	+(((
	685	+Step2: Write the floating point number in D11 into BFM37~~BFM38;
	686	+
	687	+Step3: Write value K4 to BFM8 and confirm to write calibration parameters.
	688	+
614	614	(% style="text-align:center" %)
615		-[[image:image-20220705162627-8.jpeg||height="291" width="761" class="img-thumbnail"]]
	690	+[[image:LX3V-2WT V2.0_html_592dd08d03d2ad0d.png||class="img-thumbnail" height="259" width="700"]]
	691	+)))
616	616
617		-**✎Note: **BFM35, BFM36, BFM37, and BFM38 are real number (float). Real numbers need to be input when inputting. If the input exceeds the range, BFM5 will report an error in writing calibration parameters.
	693	+**✎Note:** BFM35, BFM36, BFM37, and BFM38 are real number types (float). Real numbers need to be input when inputting. If the input exceeds the range, BFM5 will report an error in writing calibration parameters.
618	618
619		-= **7 Diagnosis ** =
	695	+= **7 Diagnosis** =
620	620
621		-== Check ==
	697	+== **7.1 Check** ==
622	622
623	623	1. Make sure all cables are connected properly;
624	624	1. Make sure all rules regarding LX3V expansion modules are met. Such as expansion modules other than digital inputs and outputs are no more than 8 in total. The total number of digital inputs and outputs are no greater than 256.
...	...	@@ -626,17 +626,30 @@
626	626	1. Make sure power supply is working properly;
627	627	1. LX3V CPU unit is in RUN mode;
628	628
629		-== Check errors ==
	705	+== **7.2 Check the error** ==
630	630
631		-If the special function module LX3V-2WT does not operate normally, please check the following items.
	707	+* If the special function module LX3V-2WT V3 does not operate normally, please check the following items.
632	632
633		-* Check the status of the LINK indicator
634		-** Blink: Expansion cables are properly connected.
635		-** Otherwise: Check the connection of the extension cable.
636		-* Check the status of the "24V" LED indicator (top right corner of the LX3V-2WT)
637		-** Light on LX3V-2WT is normal, and 24VDC power is normal.
638		-** Otherwise: 24V DC power supply may be faulty. If the power supply is normal then the LX3V-2WT is faulty.
639		-* Check the status of the "COM" LED indicator (top right corner of the LX3V-2WT)
640		-** Blink: Numeric conversion works fine.
641		-** Otherwise: Check buffer memory #5 (error status). If any of the bits (b0, b1, b2) are ON, that's why the COM indicator is off. For details, please refer to "(6) BFM5: Error Code" in "5.2 Buffer Register (BFM) Description" in "Chapter 5" of this manual.
642		-* Check the sensor, measure whether the voltage between S+ and S- is less than (5*sensor sensitivity) mv, the sensor sensitivity is found in the sensor manual used, the unit is (mv/v), if the voltage at this point is out of range, it means the sensor Deformation or wiring errors have occurred. Measure whether the voltage between F+ and F- is 5V, if not, check the sensor wiring.
	709	+Check the status of the LINK indicator
	710	+
	711	+Flashing: The extension cable is connected correctly
	712	+
	713	+Otherwise: Check the connection of the extension cable.
	714	+
	715	+* Check the status of the "24V" LED indicator (upper right corner of LX3V-2WT V3)
	716	+
	717	+Lit: LX3V-2WT V3 is normal, and the 24VDC power supply is normal.
	718	+
	719	+Otherwise: the 24V DC power supply may be faulty. If the power supply is normal, it is LX3V-2WT V3 fault.
	720	+
	721	+* Check the status of the "COM" LED indicator (upper right corner of LX3V-2WT V3)
	722	+
	723	+Flashing: Value conversion is operating normally.
	724	+
	725	+Otherwise: check buffer memory #5 (error status).
	726	+
	727	+If any bit (b0, b1, b2) is ON, that is why the COM indicator is off. Detailed description
	728	+
	729	+Please refer to "(6) BFM5: Error Code" in "5.2 Buffer Register (BFM) Description" in "Chapter 5" of this manual.
	730	+
	731	+* Check the sensor and measure whether the voltage between S+ and S- is less than (5*sensor sensitivity) mv. The sensitivity of the sensor can be found on the sensor manual, and the unit is (mv/v). If the voltage at this point exceeds the range, it means the sensor Deformation or wiring error occurred. Measure whether the voltage between F+ and F- is 5V. If it is not 5V, check the sensor wiring.

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