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

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1		-XWiki.Stone
	1	+XWiki.admin

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1		-= **1 Operating principle** =
	1	+= **1 Weighing module Operating principle** =
2	2
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).
	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 through the LX3V host program with the instruction FROM/TO.
	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		-**✎Note:** Disconnect power before installing/removing modules or wiring the modules to avoid contact or product damage.
	12	+== **2.1 Specification** ==
12	12
13		-== **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
14	14
15		-|(% style="width:225px" %)**Item**|(% style="width:850px" %)**Description**
16		-|(% style="width:225px" %)Channel|(% style="width:850px" %)Dual channel
17		-|(% style="width:225px" %)A/D converter|(% style="width:850px" %)24 bit Δˉ∑ A/D
18		-|(% style="width:225px" %)Resolution|(% style="width:850px" %)24 bit (signed)
19		-|(% style="width:225px" %)Speed|(% style="width:850px" %)7.5/10/25/50/60/150/300Hz available
20		-|(% style="width:225px" %)Polarity|(% style="width:850px" %)Unipolar and bipolar
21		-|(% style="width:225px" %)Non-linearity|(% style="width:850px" %)≤0.01% full scale(25^^o^^C)
22		-|(% style="width:225px" %)Zero drift|(% style="width:850px" %)≤0.2μV/^^ o^^C
23		-|(% style="width:225px" %)Gain drift|(% style="width:850px" %)≤10ppm/^^ o^^C
24		-|(% style="width:225px" %)Excitation voltage/ load|(% style="width:850px" %)Dual 5V, single load impedance not less than 200 Ω
25		-|(% style="width:225px" %)Sensor sensitivity|(% style="width:850px" %)1mV/V to 15mV/V
26		-|(% style="width:225px" %)Isolation|(% style="width:850px" %)Transformer (power supply) and the optical coupler (signal)
27		-|(% style="width:225px" %)Indicator light|(% style="width:850px" %)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
28		-|(% style="width:225px" %)Power supply|(% style="width:850px" %)24V±20% 2VA
29		-|(% style="width:225px" %)Operating temperature|(% style="width:850px" %)0 to 60^^ o^^C
30		-|(% style="width:225px" %)Storage temperature|(% style="width:850px" %)-20 to 80^^ o^^C
31		-|(% style="width:225px" %)Dimension|(% style="width:850px" %)90(L)x58(W)x80(H) mm
	33	+== **2.2 Valid bits** ==
32	32
33		-== **Valid bits** ==
	35	+Refer to sampling frequency in Section 5.2, Chapter 5 of this manual.
34	34
35		-Refer to sampling frequency in BFM description, Chapter 5 of this manual.
36		-
37	37	= **3 Dimensions** =
38	38
39		-== **Dimensions** ==
	39	+(% style="text-align:center" %)
	40	+[[image:LX3V-2WT V2.0_html_894c15a18e7135f3.png||class="img-thumbnail" height="384" width="1000"]]
40	40
41		- [[image:图片1.jpg||height="358" width="301"]] [[image:图片2.jpg||height="365" width="351"]]
	42	+① Extension cable and connector
42	42
43		-(% style="text-align:center" %)
44		-[[image:图片3.jpg||height="593" width="684"]]
	44	+② LED COMM: Lit when communicating
45	45
46		-1. Extension cable
47		-1. COM light: Module internal data communication indicator
48		-1. 24V light: Always on when connected to external 24V power supply
49		-1. WT light: Channel input/output indicator
	46	+③ Power LED: Lit when power present
50	50
51		-* WE light: Channel calibration indicator
	48	+④ State LED: Lit when normal
52	52
53		-(% start="5" %)
54		-1. LINK: Communication indicator between PLC and module (LINK)
55		-1. Expansion module name
56		-1. Expansion module interface
57		-1. DIN rail mounting clip
58		-1. Hook for DIN rail
59		-1. Holes for direct mounting: 2 places (φ4.5)
	50	+⑤ Module number
60	60
61		-|(% style="width:121px" %)**Name**|(% style="width:388px" %)**Description**|(% style="width:126px" %)**Light status**|**Event status**
62		-|(% rowspan="3" style="width:121px" %)(((
63		-
	52	+⑥ Analog signal output terminal
64	64
65		-LINK light
66		-)))|(% rowspan="3" style="width:388px" %)Communication indicator between PLC and module|(% style="width:126px" %)Light flashes|Data is interacting normally (communication is normal)
67		-|(% style="width:126px" %)Lights off|Data interaction is abnormal, stopped or failed
68		-|(% style="width:126px" %)Always ON|Abnormal software operation or hardware failure
69		-|(% rowspan="3" style="width:121px" %)(((
70		-
	54	+⑦ Extension module interface
71	71
72		-COM light
73		-)))|(% rowspan="3" style="width:388px" %)Module internal data communication indicator|(% style="width:126px" %)Light flashes|Data is interacting normally (communication is normal)
74		-|(% style="width:126px" %)Lights off|Data interaction is abnormal, stopped or failed
75		-|(% style="width:126px" %)Always ON|Abnormal software operation or hardware failure
76		-|(% rowspan="3" style="width:121px" %)(((
77		-
	56	+⑧ DIN rail mounting slot
78	78
79		-WT light
80		-)))|(% rowspan="3" style="width:388px" %)Channel output/input indicator|(% style="width:126px" %)Light flashes|Analog input is out of range
81		-|(% style="width:126px" %)Always ON|Analog input is within the range
82		-|(% style="width:126px" %)Lights off|Channel closed
83		-|(% rowspan="2" style="width:121px" %)WE light|(% rowspan="2" style="width:388px" %)Calibration indicator for the channel|(% style="width:126px" %)Lights off|Calibration succeeded
84		-|(% style="width:126px" %)Always ON|Calibration failed or not calibrated
	58	+⑨ DIN rail hook
85	85
86		-== Use of blade terminals ==
	60	+⑩ Mounting holes (φ4.5)
87	87
	62	+
88	88	(% style="text-align:center" %)
89		-[[image:image-20220622145005-4.jpeg||height="220" width="366"]]
	64	+[[image:LX3V-2WT V2.0_html_6b5398f61ad44c3d.png||class="img-thumbnail" height="199" width="300"]]
90	90
91		-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.
	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.
92	92
93		-== **Terminals** ==
	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	+)))|
94	94
95		-|**Terminal**|**Terminal Instructions**
96		-|24V+|External DC24 power supply+
97		-|24V-|External DC24 power supply-
98		-|Ground|Ground
99		-|FG1|Sensor housing
100		-|E1+|First sensor 5V power +
101		-|E1-|First sensor 5V power -
102		-|F1+|First sensor power supply feedback +
103		-|F1-|First sensor power supply feedback -
104		-|S1+|First sensor signal output +
105		-|S1-|First sensor signal output -
106		-|E2+|Second sensor 5V power +
107		-|E2-|Second sensor 5V power -
108		-|F2+|Second sensor power supply feedback +
109		-|F2-|Second sensor power supply feedback -
110		-|S2+|Second sensor signal output +
111		-|S2-|Second sensor signal output -
112		-|FG2|Second sensor housing
113		-|Other empty terminals|Empty pin, not connect any wires
	83	+= **4 Wiring** =
114	114
115		-= **4 Wiring ** =
116		-
117	117	(% style="text-align:center" %)
118		-[[image:image-20220622145005-5.jpeg||height="522" width="706"]]
	86	+[[image:LX3V-2WT V2.0_html_fca48acd721ccf71.png||class="img-thumbnail" height="468" width="600"]]
119	119
120		-**✎Note:**
	88	+**✎Note: **
121	121
122		-* Impedance of the weighing sensor is greater than 200 Ω.
123		-* 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.
124	124
125		-= **5 Buffer register (BFM)** =
	93	+= **5 BFM instruction** =
126	126
127		-== **BFM list** ==
	95	+== **5.1 BFM list** ==
128	128
129		-|(% colspan="2" %)**BFM number**|(% rowspan="2" %)**Power-off hold**|(% rowspan="2" %)(((
130		-**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
131	131
132		-**write**
133		-)))|(% rowspan="2" style="width:189px" %)**Register name**|(% rowspan="2" style="width:74px" %)**Default**|(% rowspan="2" style="width:128px" %)**Range**|(% rowspan="2" style="width:466px" %)**Illustrate**
134		-|**CH1**|**CH2**
135		-|(% colspan="2" %)#0|O|R|(% style="width:189px" %)Model type|(% style="width:74px" %)5012|(% style="width:128px" %)-|(% style="width:466px" %)System default, the model number of LX3V-2WT
136		-|(% colspan="2" %)#1|O|R|(% style="width:189px" %)Software version|(% style="width:74px" %)15004|(% style="width:128px" %)-|(% style="width:466px" %)Software version number
137		-|#2|#42|O|R/W|(% style="width:189px" %)Unipolar/Bipolar|(% style="width:74px" %)0|(% style="width:128px" %)0 to 1|(% style="width:466px" %)0: Bipolar 1: Unipolar
138		-|#3|#43|O|R/W|(% style="width:189px" %)Sampling frequency|(% style="width:74px" %)1|(% style="width:128px" %)0 to 4800|(% style="width:466px" %)(((
139		-0: 7.5HZ
140	140
141		-1: 10HZ
	105	+(((
	106	+5: 150 Hz;
142	142
143		-2: 25HZ
	108	+6: 300 Hz;
144	144
145		-3: 50HZ
	110	+7: 600 Hz;
146	146
147		-4: 60HZ
	112	+8: 960 Hz;
148	148
149		-5: 150HZ
	114	+9: 2400 Hz;
150	150
151		-6: 300HZ
	116	+1: unipolar
	117	+)))
	118	+)))
	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;
152	152
153		-7: 600HZ
	122	+1: 10 HZ;
154	154
155		-8: 960HZ
	124	+2: 25 Hz;
156	156
157		-9: 2400HZ
	126	+3: 50 Hz;
158	158
159		-10 to 4800: 10Hz to 4800Hz
	128	+4: 60 Hz;
160	160	)))
161		-|#4|#44|X|R|(% style="width:189px" %)Status code|(% style="width:74px" %)0|(% style="width:128px" %)-|(% style="width:466px" %)For details of each status code, refer to "Buffer Register BFM Description"
162		-|#5|#45|X|R|(% style="width:189px" %)Error code|(% style="width:74px" %)0|(% style="width:128px" %)—|(% style="width:466px" %)(((
163		-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.
	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;
164	164
165		-#45: Reserved
	133	+b1: CH2 no-load;
166	166
167		-b0: Abnormal power supply
	135	+b2: CH1 overload;
168	168
169		-b1: Hardware failure
	137	+b3: CH2 overload;
170	170
171		-b2: CH1 conversion error
	139	+b4: CH1 measured value is stable;
172	172
173		-b3: CH2 conversion error
	141	+b5: CH2 measured value is stable;
174	174
175		-b4: CH1 input calibration parameter error
	143	+b6-b15: Reserved;
176	176
177		-b5: CH2 input calibration parameter error
178		-
179		-Others: Reserved
	145	+BFM 44: Reserved;
180	180	)))
181		-|#6|#46|X|R/W|(% style="width:189px" %)Tare reading|(% style="width:74px" %)0|(% style="width:128px" %)0 to 1|(% style="width:466px" %)(((
182		-Read the current average value as the tare weight value.
	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
183	183
184		-0: Normal (invalid).
	150	+0: No error;
185	185
186		-1: Execute tare setting, then reset to 0.
	152	+1: Error;
187	187
188		-Others: Invalid.
189		-)))
190		-|#7|#47|O|R/W|(% style="width:189px" %)(((
191		-Gross weight/ net weigh
	154	+b0: Power supply error;
192	192
193		-display
194		-)))|(% style="width:74px" %)0|(% style="width:128px" %)-|(% style="width:466px" %)(((
195		-Choose to display the current weight as gross weight (K0) or net weight (K1).
	156	+b1: Hardware error;
196	196
197		-0: display gross weight.
	158	+b2: CH1 conversion error;
198	198
199		-1: display net weight.
	160	+b3: CH2 conversion error;
200	200
201		-0xF: Channel closed
	162	+B4 :CH1 input calibration parameter error
	163	+ B5 :CH2 input calibration parameter error
	164	+
	165	+Other bit: Reserved;
	166	+
	167	+BFM45: Reserved;
202	202	)))
203		-|#8|#48|X|R/W|(% style="width:189px" %)Calibration|(% style="width:74px" %)0|(% style="width:128px" %)-|(% style="width:466px" %)(((
204		-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:
205	205
206		-0x0001: CHI zero instruction.
	172	+0: Disabled
207	207
208		-0x0002: CH1 weight base point instruction.
	174	+1: Set tare weight then reset to 0;
209	209
210		-0x0003: CH1 no weight calibration instruction. (supported by 15004 and above)
	176	+Others : Reserved;
	177	+)))
	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
211	211
212		-0x0004: CH1 modify calibration parameter instruction. (supported by version 15004 and above)
	181	+0: Gross weight;
213	213
214		-**✎Note: **When a value is written to BFM#8 or BFM#48 using the device monitor, it is automatically reset to 0.
	183	+1: Net weight;
	184	+
	185	+Others: Channels invalid;
215	215	)))
216		-|#9|#49|X|R/W|(% style="width:189px" %)Reset|(% style="width:74px" %)0|(% style="width:128px" %)0 to 3|(% style="width:466px" %)(((
217		-#49: Reserved
	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
218	218
219		-1: Reset CH1
	190	+0x0001:Channels 1 set to 0
220	220
221		-2: Reset CH2
	192	+0x0002:Channels 1 calibrating:
222	222
223		-3: Reset all channels
	194	+0x0003:CH1 without weight
224	224
225		-Others: no action
226		-)))
227		-|#10|#50|O|R/W|(% style="width:189px" %)Filtering method|(% style="width:74px" %)0|(% style="width:128px" %)0 to 1|(% style="width:466px" %)Recalibration required after change
228		-|#11|#51|O|R/W|(% style="width:189px" %)Filter strength|(% style="width:74px" %)0|(% style="width:128px" %)0 to 7|(% style="width:466px" %)Recalibration required after change
229		-|#12|#52|O|R/W|(% style="width:189px" %)Zero tracking intervals|(% style="width:74px" %)0|(% style="width:128px" %)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.
230		-|#13|#53|O|R/W|(% style="width:189px" %)Zero tracking range|(% style="width:74px" %)0|(% style="width:128px" %)0 to 100|(% style="width:466px" %)(((
231		-0: Disable the zero tracking function
	196	+calibration
	197	+ 0x0004:CH1 modified calibration
232	232
233		-Others: Set the zero tracking range (absolute value)
234		-)))
235		-|#14|#54|O|R/W|(% style="width:189px" %)Automatically reset after boot|(% style="width:74px" %)0|(% style="width:128px" %)0 to 4|(% style="width:466px" %)(((
236		-0: Disable automatic reset at startup
	199	+parameter error
237	237
238		-1: ±2%MAX
	201	+Step1: Remove all load ;
239	239
240		-2: ±5%MAX
	203	+Step2: BFM #8 (#48) set to 0x0001;
241	241
242		-3: ±10%MAX
	205	+Step3: Add known weight;
243	243
244		-4: ±20%MAX
245		-)))
246		-|#15|#55|O|R/W|(% style="width:189px" %)Sensor sensitivity setting (inside the module)|(% style="width:74px" %)4|(% style="width:128px" %)0 to 5|(% style="width:466px" %)(((
247		-0:<1V/V
	207	+Step4: Write known weight to BFM#23 (#63);
248	248
249		-1:<125mV/V
	209	+Step5: BFM #8 (#48) set to 0x0002;Calibration without weight:
250	250
251		-2:<62.5mV/V
	211	+Step1: Do not put any weight on the load cell;
252	252
253		-3:<31.25V/V
	213	+Step2: Write the maximum range of the sensor to #23;
254	254
255		-4:<15.625mV/V
	215	+Step3: Write the sensor sensitivity to #39, accurate to three decimal places;
256	256
257		-5:<7.812mV/V
	217	+Step4: The value of #8 is written as 0x0003.
258	258
259		-**✎Note:** Recalibration is required after setting. (Only supported by version 13904 and above)
	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.
260	260	)))
261		-|#16|#56|(% rowspan="2" %)(((
262		-
	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
263	263
264		-X
265		-)))|(% rowspan="2" %)(((
266		-
	230	+1: Reset CH1; 2: Reset CH2
267	267
268		-R
269		-)))|(% style="width:189px" %)Average weight L|(% style="width:74px" %)0|(% rowspan="2" style="width:128px" %)(((
270		--2147483648 to
	232	+3: Reset all channels
271	271
272		-2147483647
273		-)))|(% style="width:466px" %)(((
274		-Average weight display value
	234	+Other: No action
	235	+)))
	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
275	275
276		-(low word)
	241	+Other: Intensity of zero tracking
277	277	)))
278		-|#17|#57|(% style="width:189px" %)Average weight H|(% style="width:74px" %)0|(% style="width:466px" %)(((
279		-Average weight display value
	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
280	280
281		-(high word)
	246	+Others: Up limit
282	282	)))
283		-|#18|#58|O|R/W|(% style="width:189px" %)Sliding average|(% style="width:74px" %)5|(% style="width:128px" %)1 to 50|(% style="width:466px" %)(((
284		-The setting range is K1 to K50, and the default value is K5.
	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;
285	285
286		-When the set value exceeds the range, it is automatically changed to the critical value K1 or K50.
	251	+1: ±2%MAX;
	252	+
	253	+2: ±5%MAX;
	254	+
	255	+3: ±10%MAX;
	256	+
	257	+4: ±20%MAX;
287	287	)))
288		-|#19|#59|(% rowspan="2" %)O|R/W|(% style="width:189px" %)Tare weight value L|(% rowspan="2" style="width:74px" %)0|(% rowspan="2" style="width:128px" %)(((
289		--2147483648 to
	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
290	290
291		-2147483647
292		-)))|(% rowspan="2" style="width:466px" %)You could write or read the tare weight #7 by instruction.
293		-|#20|#60|R/W|(% style="width:189px" %)Tare weight value H
294		-|#21|#61|O|R/W|(% style="width:189px" %)CH1 Stability check time|(% style="width:74px" %)200|(% style="width:128px" %)0 to 20000|(% style="width:466px" %)Stability check time, used in conjunction with the stability check range. Unit: ms.
295		-|#22|#62|O|R/W|(% style="width:189px" %)Stability check range|(% style="width:74px" %)1|(% style="width:128px" %)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.
296		-|#23|#63|(% rowspan="2" %)O|R/W|(% style="width:189px" %)(((
297		-Weight value
	262	+1: < 125mV/V
298	298
299		-calibration L
300		-)))|(% rowspan="2" style="width:74px" %)1000|(% rowspan="2" style="width:128px" %)(((
301		--2147483648 to
	264	+2: < 62.5mV/V
302	302
303		-2147483647
304		-)))|(% rowspan="2" style="width:466px" %)(((
305		-Input weight base point weight with calibration weight
	266	+3: < 31.25V/V
306	306
307		-Input sensor range without calibration weight
	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)
308	308	)))
309		-|#24|#64|R/W|(% style="width:189px" %)(((
310		-Weight value
	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~~
311	311
312		-calibration H
	282	+2147483647
	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~~
	289	+
	290	+2147483647
	291	+)))|(% rowspan="2" style="width:486px" %)(((
	292	+Please refer to #8
	293	+
	294	+With weight calibration, enter the weight base point weight, without weight calibration enter the sensor range
313	313	)))
314		-|#25|#65|(% rowspan="2" %)O|R/W|(% style="width:189px" %)Weight upper limit L|(% rowspan="2" style="width:74px" %)32767|(% rowspan="2" style="width:128px" %)(((
315		--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~~
316	316
317	317	2147483647
318		-)))|(% 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.
319		-|#26|#66|R/W|(% style="width:189px" %)Weight upper limit H
320		-|#27|#67|(% rowspan="2" %)O|R/W|(% style="width:189px" %)Zero judgment check upper limit L|(% rowspan="2" style="width:74px" %)10|(% rowspan="2" style="width:128px" %)(((
321		--2147483648 to
	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~~
322	322
323	323	2147483647
324		-)))|(% rowspan="4" style="width:466px" %)(((
325		-Zero point judgment function:
	307	+)))|(% rowspan="4" style="width:486px" %)(((
	308	+Zero weight detection function, used to tell if all loads have been removed.
326	326
327		-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.
328	328	)))
329		-|#28|#68|R/W|(% style="width:189px" %)Zero judgment check upper limit H
330		-|#29|#69|(% rowspan="2" %)O|R/W|(% style="width:189px" %)Zero judgment checklower limit L|(% rowspan="2" style="width:74px" %)-10|(% rowspan="2" style="width:128px" %)(((
331		--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~~
332	332
333	333	2147483647
334	334	)))
335		-|#30|#70|R/W|(% style="width:189px" %)Zero judgment check lower limit H
336		-|#31|#71|X|R/W|(% style="width:189px" %)Additional function options|(% style="width:74px" %)0|(% style="width:128px" %)0 to 1|(% style="width:466px" %)(((
337		-0: Default value. Additional functions are not enabled
	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;
338	338
339	339	1: Enable filter reset function.
340	340
341		-Others: Reserved
	324	+Other: Reserved
342	342	)))
343		-|#32|#72|X|R/W|(% style="width:189px" %)(((
344		-Additional functions
345		-
346		-Parameter 1
347		-)))|(% style="width:74px" %)0|(% style="width:128px" %)0 to 100|(% style="width:466px" %)(((
	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" %)(((
348	348	Enable filter reset function:
349	349
350		-0: The default value does not work
	329	+0: Default;
351	351
352		-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.
	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
353	353	)))
354		-|#33|#73|X|R|(% style="width:189px" %)Digital value L|(% rowspan="2" style="width:74px" %)0|(% rowspan="2" style="width:128px" %)-|(% rowspan="2" style="width:466px" %)Digital quantity collected by ADC
355		-|#34|#74|X|R|(% style="width:189px" %)Digital value H
356		-|#35|#75|(% rowspan="2" %)O|(% rowspan="2" %)R/W|(% rowspan="2" style="width:189px" %)Calibration parameter A|(% rowspan="2" style="width:74px" %)1|(% rowspan="2" style="width:128px" %)(((
357		--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~~
358	358
359		-to 3.402823E+38
360		-)))|(% rowspan="4" style="width:466px" %)Described in CH1:
361		-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.
362		-|#36|#76
363		-|#37|#77|(% rowspan="2" %)O|(% rowspan="2" %)R/W|(% rowspan="2" style="width:189px" %)Calibration parameter B|(% rowspan="2" style="width:74px" %)0|(% rowspan="2" style="width:128px" %)(((
364		--3.402823E+38
	340	+3.402823E+38
	341	+)))|(% rowspan="4" style="width:486px" %)(((
	342	+Explain by CH1:
365	365
366		-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.
367	367	)))
368		-|#38|#78
369		-|#39|#79|O|R/W|(% style="width:189px" %)Sensor sensitivity (specification)|(% style="width:74px" %)2000|(% style="width:128px" %)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.
370		-For example: Modified to 1942 represent 1.942mV/V.
371		-|#40|#80|X|R/W|(% style="width:189px" %)Sensor feedback voltage L|(% style="width:74px" %)0|(% style="width:128px" %)-|(% 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" %)(((
372	372	Write:
373	373
374		-0: not displayed
	361	+0: do not display
375	375
376		-1: Display the current sensor feedback voltage in real time
	363	+1: Real-time display of current sensor feedback voltage
377	377
378		-2: Display the zero-point voltage during calibration
	365	+2: Display the zero point voltage during calibration
379	379
380		-3: Display the voltage reading of the applied weight during calibration:
	367	+3: Display the voltage of the weight applied during calibration
381	381
382		-Displays the low bit of the voltage value. Unit: uV.
	369	+Read:
	370	+
	371	+Display the low digit of the voltage value in uV.
383	383	)))
384		-|#41|#81|X|R|(% style="width:189px" %)(((
385		-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:
386	386
387		-voltage H
388		-)))|(% style="width:74px" %)0|(% style="width:128px" %)-|(% 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	+)))
389	389
390		-**✎Note:**
	379	+**✎Note: **
391	391
392		-* O means retentive type.
393		-* X means non-retentive type.
394		-* R means readable data.
395		-* W means writable data.
	381	+1. O: yes;
	382	+1. X: no;
	383	+1. R: read;
	384	+1. W: write;
396	396
397		-== **BFM description** ==
	386	+== **5.2 Buffer (BFM) description** ==
398	398
399		-**BFM0: Module code**
	388	+* **BFM0: Module code**
400	400
401		-LX3V-2WT model code: 5012
	390	+LX3V-2WT V3 code: 5012
402	402
403		-**BFM1: module version**
	392	+* **BFM1: module version**
404	404
405		-The software version is displayed in decimal, which is used to indicate the software version of the expansion module.
	394	+Module version (decimal)
406	406
407		-**BFM2: Polarity**
	396	+**Example**
408	408
	398	+BFM1=120, means V1.2.0
	399	+
	400	+* **BFM2: Polarity**
	401	+
409	409	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.
410	410
411		-**BFM3: Sampling frequency**
	404	+* **BFM3: Sampling frequency**
412	412
413		-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.
	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.
414	414
	408	+(% class="table-bordered" %)
415	415	|**Setting**|**Sample frequency (HZ)**|**Sample precision (Bits)**|**Setting**|**Sample frequency (HZ)**|**Sample precision (Bits)**
416	416	|0|7.5|23.5|5|150|21.5
417	417	|1|10|23.5|6|300|21
...	...	@@ -419,247 +419,288 @@
419	419	|3|50|22|8|960|20
420	420	|4|60|22|9|2400|17.5
421	421
422		-**BFM4: State code**
	416	+* **BFM4: State code**
423	423
424		-|(% rowspan="2" %)**Bit NO.**|(% colspan="2" %)**Status code**
	418	+(% class="table-bordered" %)
	419	+|(% rowspan="2" %)**Bit No.**|(% colspan="2" %)**Description**
425	425	|**1**|**0**
426		-|Bit0|CH1 zero weight (no load)|CH1 is not empty
427		-|Bit1|CH2 zero weight (no load)|CH2 is not empty
428		-|Bit2|(((
429		-CH1 exceeds weight upper limit (overload)
430		-
431		-**✎Note: **The upper limit weight is set by #27 and #28.
432		-)))|CH1 is not overloaded
433		-|Bit3|(((
434		-CH2 exceeds weight upper limit (overload)
435		-
436		-**✎Note: **The upper limit weight is set by #27 and #28.
437		-)))|CH2 is not overloaded
438		-|Bit4|CH1 measurement value is stable|CH1 measurement value is unstable
439		-|Bit5|CH2 measurement value is stable|CH2 measurement value is unstable
440		-|Bit6|CH1 uncalibrated / calibrated error|CH1 calibrate successfully
441		-|Bit7|CH2 uncalibrated / calibrated error|CH2 calibrate successfully
	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
442	442	|(((
443		-Bit8
	426	+Bit 8
444	444
445		-Bit9
	428	+Bit 9
446	446	)))|(((
447	447	00: no error
448	448
449		-10: The weight of the base point of weight is too large
	432	+10: The base point of the weight is too heavy
450	450	)))|(((
451	451	01: No-load calibration
452	452
453		-11: Uncalibrated
	436	+11: Not calibrated
454	454	)))
455		-|(((
456		-Bit10
	438	+|Bit 12|(((
	439	+CH1 exceeds the sensor range
457	457
458		-Bit11
459		-)))|(((
460		-00: no error
	441	+Note: Determined by sensor feedback voltage
	442	+)))|CH1 within the sensor range
461	461
462		-10: The weight of the base point of weight is too large
463		-)))|(((
464		-01: No-load calibration
	444	+* **BFM5: Error code**
465	465
466		-11: Uncalibrated
467		-)))
468		-|Bit12|(((
469		-CH1 exceeds the sensor range
	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.
470	470
471		-**✎Note:** Determined by sensor feedback voltage
472		-)))|CH1 is within the sensor range
473		-|Bit14|CH1 enters the calibration without weights|CH1 has not entered the calibration without weights
474		-|Bit15|CH2 enters the calibration without weights|CH2 has not entered the calibration without weights
	454	+* **BFM6: Tare weight setting**
475	475
476		-**BFM5: Error code**
	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.
477	477
478		-|**Bit NO.**|**Content**|**Error state**
479		-|Bit0|K1 (H0001)|Abnormal power supply
480		-|Bit1|K2 (H0002)|Hardware fault
481		-|Bit2|K4 (H0004)|CH1 conversion error
482		-|Bit3|K8 (H0008)|CH2 conversion error
483		-|Bit4|K16 (H0010)|CH1 write calibration parameter error
484		-|Bit5|K32 (H0020)|CH2 write calibration parameter error
485		-|Others|(% colspan="2" %)Reserved
486		-|BFM#45|(% colspan="2" %)Reserved
487		-|(% colspan="3" %)(((
488		-**✎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.
489		-)))
	458	+**Use CH1 as example**
490	490
491		-**Tare setting: **CH1-BFM6, CH2-BFM46
	460	+The current weight is 100, after setting tare weight;
492	492
493		-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.
	462	+If it displays gross weight (BFM7 = 0) currently, the tare weight (BFM19-20) will become 100, the current weight is still 100;
494	494
495		-The current weight value is 100, after tare setting:
	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;
496	496
497		-* If the gross weight is currently displayed (BFM7=0), the tare weight (BFM19-20) becomes 100, and the current weight is still 100;
498		-* 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.
	466	+* **BFM8: Adjust the weight command. User adjustment steps: (describe with CH1)**
499	499
500		-**BFM8: Weight calibration instruction**
	468	+There is a weight calibration:
501	501
502		-Steps are as follows. (Described with CH1)
	470	+Step1: Do not put any weight on the load cell;
503	503
504		-* Calibration with weights
505		-** Step1: Do not put any weights on the load cell.
506		-** Step2: #8 value is written as 0x0001.
507		-** Step3: Add standard weights to the load cell.
508		-** Step4: Write the weight of the current weight on the chassis into #23.
509		-** Step5: #8 value is written as 0x0002.
510		-* Weightless calibration
511		-** Step1: Do not put any weights on the load cell.
512		-** Step2: Write the maximum range of the sensor into #23.
513		-** Step3: Write the sensor sensitivity into #39, accurate to three decimal places.
514		-** Step4: #8 value is written as 0x0003.
515		-* Modify calibration parameters:
516		-** Step1: Modify the calibration parameter values in BFM#35 to BFM#38;
517		-** Step2: #8 value is written as 0x0004.
	472	+Step2: #8 value is written as 0x0001;
518	518
519		-**✎Note: **When a value is written to BFM#8 or BFM#48 using the device monitor, it is automatically reset to 0.
	474	+Step3: Add standard weights to the load cell;
520	520
521		-**BFM11: filtering strength**
	476	+Step4: Write the weight of the current weight on the chassis to #23;
522	522
	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	+
523	523	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.
524	524
525		-**BFM12: zero tracking interval**
	502	+* **BFM12: zero tracking strength**
526	526
527		-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.
528	528
529		-**✎Note:** This function is generally used to correct sensor temperature drift.
	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.
530	530
531		-**BFM13: Zero tracking range**
	513	+* **BFM13:Range of Zero tracking**
532	532
533		-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
534	534
535		-|**Settings**|(% style="width:599px" %)**Description**|(% style="width:404px" %)**Remark**
536		-|0|(% style="width:599px" %)Do not enable zero tracking|(% style="width:404px" %)Default
537		-|1 to 100|(% style="width:599px" %)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:404px" %)(((
538		-If set to 10, the current weight is ±9 and the stable flag is 1, the current weight is cleared.
539		-)))
540		-|(% 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
541	541
542		-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.
543	543
544		-**BFM15: Set the AD chip gain**
	526	+**Example**
545	545
546		-**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.
547	547
548		-|**BFM15**|**voltage range**|**Sensor sensitivity**
549		-|0|±5V|<1V/V
550		-|1|±625mV|<125mV/V
551		-|2|±312.5mV|<62.5mV/V
552		-|3|±156.2mV|<31.25mV/V
553		-|4|±78.125mV|<15.625mV/V
554		-|5|±39.06mV|<7.812mV/V
	530	+* **BFM15: Set AD chip gain**
555	555
556		-== **Function description** ==
	532	+It can be set according to the sensor range
557	557
558		-**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
559	559
560		-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** ==
561	561
562		-* Tare weigh:t Refers to the weight of the outer packaging.
563		-* 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.
564		-* 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)
565		-* Gross weight = net weight + tare weight
	545	+**Net weight measurement**
566	566
567		-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.
568	568
569		-* Net weight=10KG
570		-* Tare weight=0.2KG
571		-* 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.
572	572
573		-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.
574	574
575		-* Read the tare value
576		-** Write H0000 in BFM7;
577		-** Place the package on the CH1 weighing module;
578		-** Write H0001 in BFM6, and take the current package weight as the tare weight.
579		-* Set BFM7=H0001
	556	+**Example 1**
580	580
581		-**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)
582	582
583		-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**
584	584
585		-* 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.
586		-* 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.
587	587
588		-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
589	589
590		-**Zero point judgment**
	566	+Step 1: Write H0000 into BFM7.
591	591
592		-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.
593	593
594		-**Filter function**
	570	+Step 3: Write H0001 into BFM6 to take the weight of the packaging as the tare weight.
595	595
596		-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.
597	597
	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	+
598	598	= **6 Example** =
599	599
600		-**Current state of weight**
	595	+* **Current state of weight**
601	601
602	602	(% style="text-align:center" %)
603		-[[image:image-20220622145646-14.png||height="51" width="330"]]
	598	+[[image:LX3V-2WT V2.0_html_6bc45b23c2b79282.png||class="img-thumbnail" height="77" width="500"]]
604	604
605		-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)]]__
606	606
607		-**Get current weight value**
	602	+* **Get current weight value**
608	608
609	609	(% style="text-align:center" %)
610		-[[image:image-20220622145005-7.png||height="51" width="385"]]
	605	+[[image:LX3V-2WT V2.0_html_5f4a500276a0a3a0.png||class="img-thumbnail" height="66" width="500"]]
611	611
612		-Write the average weight value (BFM16) of CH1 in the weighing module into D0.
	607	+Write average weight value (BFM16) to D0
613	613
614		-**Calibrating weight**
	609	+* **Calibrating weight**
615	615
616		-*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"]]
617	617
618		-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;
619	619
620		-(% style="text-align:center" %)
621		-[[image:image-20220622145005-8.jpeg||height="193" width="797"]]
	616	+Step 2: Write 0x0001 to #8;
622	622
623		-**Tare weight and gross weight**
	618	+Step 3: Add known weights;
624	624
	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	+
625	625	(% style="text-align:center" %)
626		-[[image:image-20220622145005-9.jpeg||height="274" width="749"]]
	631	+[[image:LX3V-2WT V2.0_html_5b9b9b62d33c4a7e.png||class="img-thumbnail" height="293" width="500"]]
627	627
628		-**Filter mode setting**
	633	+Set value as tare weight by writing K1 to BFM6
629	629
630		-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
631	631
	637	+Set the value as gross weight by writing K0 to BFM7
	638	+
	639	+* **Filter method and strength**
	640	+
632	632	(% style="text-align:center" %)
633		-[[image:image-20220622145005-10.jpeg||height="196" width="791"]]
	642	+[[image:LX3V-2WT V2.0_html_187c088ffaacd7f1.png||class="img-thumbnail" height="194" width="500"]]
634	634
635		-**Zero tracking**
	644	+Set filtering by writing value to BFM10
636	636
637		-Zero tracking is used to reduce the temperature drift interference;
	646	+Set filtering by writing value to BFM11
638	638
639		-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.
640	640
	650	+* **Zero tracking**
	651	+
641	641	(% style="text-align:center" %)
642		-[[image:image-20220622145005-11.jpeg||height="242" width="601"]]
	653	+[[image:LX3V-2WT V2.0_html_9b603f9448600b12.png||class="img-thumbnail" height="196" width="500"]]
643	643
644		-**Calibration without weights**
	655	+Zero tracking is used to reduce the temperature drift interference;
645	645
	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	+
646	646	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).
647	647
648	648	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.
649	649
650	650	(% style="text-align:center" %)
651		-[[image:image-20220622145005-12.jpeg||height="323" width="774"]]
	666	+[[image:LX3V-2WT V2.0_html_735f5d0ddc4d01c3.png||class="img-thumbnail" height="391" width="500"]]
652	652
653		-**Modify calibration parameters**
	668	+(((
	669	+Step1: Write the sensor range in D8 to BFM23:
654	654
	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	+
655	655	(% style="text-align:center" %)
656		-[[image:image-20220622145005-13.jpeg||height="315" width="838"]]
	690	+[[image:LX3V-2WT V2.0_html_592dd08d03d2ad0d.png||class="img-thumbnail" height="259" width="700"]]
	691	+)))
657	657
658		-**✎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.
659	659
660		-= **7 Diagnosis ** =
	695	+= **7 Diagnosis** =
661	661
662		-== **Check** ==
	697	+== **7.1 Check** ==
663	663
664	664	1. Make sure all cables are connected properly;
665	665	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.
...	...	@@ -667,17 +667,30 @@
667	667	1. Make sure power supply is working properly;
668	668	1. LX3V CPU unit is in RUN mode;
669	669
670		-== **Check errors** ==
	705	+== **7.2 Check the error** ==
671	671
672		-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.
673	673
674		-* Check the status of the LINK indicator
675		-** Blink: Expansion cables are properly connected.
676		-** Otherwise: Check the connection of the extension cable.
677		-* Check the status of the "24V" LED indicator (top right corner of the LX3V-2WT)
678		-** Light on LX3V-2WT is normal, and 24VDC power is normal.
679		-** Otherwise: 24V DC power supply may be faulty. If the power supply is normal then the LX3V-2WT is faulty.
680		-* Check the status of the "COM" LED indicator (top right corner of the LX3V-2WT)
681		-** Blink: Numeric conversion works fine.
682		-** 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.
683		-* 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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