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Changes for page LX3V-4AD

Last modified by Devin Chen on 2024/11/27 15:04
From version 10.1
edited by Jim
on 2023/08/07 11:12
Change comment: There is no comment for this version
To version 1.1
edited by Leo Wei
on 2022/06/08 14:42
Change comment: Imported from XAR

Summary

Details

Page properties
Parent
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1 -Expansions.1 Module.Analog.WebHome
1 +1 Module.Analog.WebHome
Author
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1 -XWiki.Jim
1 +XWiki.admin
Content
... ... @@ -8,31 +8,38 @@
8 8  = **2 Dimensions** =
9 9  
10 10  (% style="text-align:center" %)
11 -[[image:LX3V-4AD_html_5159808b9e4fa86a.png||height="391" width="1000" class="img-thumbnail"]]
11 +[[image:LX3V-4AD_html_5159808b9e4fa86a.png||class="img-thumbnail" height="391" width="1000"]]
12 12  
13 -1. Extension cable and connector
14 -1. COM LED: Light when communicating
15 -1. Power LED: Light when connect to 24V
16 -1. State LED: Light when normal condition
17 -1. Module name
18 -1. Analog signal output terminal
19 -1. Extension module interface
20 -1. DIN rail mounting slot
21 -1. DIN rail hook
13 +① Extension cable and connector
22 22  
23 -(((
24 -Please use crimp terminals as indicated on the graph.
15 +② COM LED: Light when communicating
25 25  
26 -The tightening torque should be applied 5 to 8 Kg.cm.
17 +③ Power LED: Light when connect to 24V
27 27  
19 +④ State LED: Light when normal condition
20 +
21 +⑤ Module name
22 +
23 +⑥ Analog signal output terminal
24 +
25 +⑦ Extension module interface
26 +
27 +⑧ DIN rail mounting slot
28 +
29 +⑨ DIN rail hook
30 +
31 +(((
32 +* Please use crimp terminals as indicated on the graph.
33 +* The tightening torque should be applied 5 to 8 Kg.cm.
34 +
28 28  (% style="text-align:center" %)
29 -[[image:LX3V-4AD_html_5bc4b53029347d0f.png||height="195" width="400" class="img-thumbnail"]]
36 +[[image:LX3V-4AD_html_5bc4b53029347d0f.png||class="img-thumbnail" height="195" width="400"]]
30 30  
31 31  = **3 Terminal layouts** =
39 +)))
32 32  
33 33  (% style="text-align:center" %)
34 -[[image:image-20220728103451-1.png||class="img-thumbnail"]]
35 -)))
42 +[[image:LX3V-4AD_html_5dc7f9d73b00bd35.png||class="img-thumbnail" height="604" width="600"]]
36 36  
37 37  (((
38 38  1. The analog input is received through a twisted pair shielded cable. This cable should be wired separately from power lines or any other lines which may induce electrical noise.
... ... @@ -41,9 +41,11 @@
41 41  1. If there is excessive electrical noise, connect the FG frame ground terminal with the grounded terminal on the LX3V-4AD.
42 42  1. Connect the ground terminal on the LX3V-4AD unit with the grounded terminal on the main unit. Use class 3 grounding on the main unit, if available.
43 43  
44 -**Note: when connect a 4-20ma sensor(need +24V working voltage), the wiring is as below:**
51 +(% style="text-align:center" %)
52 +[[image:4-20mA 2-wire.png||class="img-thumbnail" height="528" width="600"]]
45 45  
46 -[[image:企业微信截图_16771315134574.png]]
54 +(% style="text-align:center" %)
55 +[[image:4-20mA 3-wire.png||class="img-thumbnail" height="510" width="600"]]
47 47  
48 48  = **4 Installation** =
49 49  )))
... ... @@ -51,25 +51,25 @@
51 51  **Environment specification**
52 52  
53 53  (% class="table-bordered" %)
54 -|=(% style="width: 490px;" %)**Item**|=(% style="width: 585px;" %)**Specification**
55 -|(% style="width:490px" %)Environmental specifications (excluding following)|(% style="width:585px" %)Same as those for the LX3V main unit
56 -|(% style="width:490px" %)Dielectric withstand voltage|(% style="width:585px" %)500VAC, 1min (between all terminals and ground)
63 +|**Item**|**Specification**
64 +|Environmental specifications (excluding following)|Same as those for the LX3V main unit
65 +|Dielectric withstand voltage|500VAC, 1min (between all terminals and ground)
57 57  
58 58  **Power supply specification**
59 59  
60 60  (% class="table-bordered" %)
61 -|=(% style="width: 294px;" %)**Item**|=(% style="width: 781px;" %)**Specification**
62 -|(% style="width:294px" %)Analog circuits|(% style="width:781px" %)24V DC ± 10%, 55mA (external power supply from main unit)
63 -|(% style="width:294px" %)Digital circuits|(% style="width:781px" %)5V DC, 90mA (internal power supply from main unit)
70 +|**Item**|**Specification**
71 +|Analog circuits|24V DC ± 10%, 55mA (external power supply from main unit)
72 +|Digital circuits|5V DC, 90mA (internal power supply from main unit)
64 64  
65 65  **Performance specification**
66 66  
67 67  **Analog Inputs**
68 68  
69 -(% style="margin-left:auto; margin-right:auto" %)
70 -|= |=**Voltage Input**|=**Current input**
71 -|=**Items**|(% colspan="2" %)Either voltage or current input can be selected with your choice of input terminal. Up to four input points can be used at one time.
72 -|=**Analog input range**|(((
78 +(% class="table-bordered" %)
79 +| |**Voltage Input**|**Current input**
80 +|**Items**|(% colspan="2" %)Either voltage or current input can be selected with your choice of input terminal. Up to four input points can be used at one time.
81 +|**Analog input range**|(((
73 73  DC -10V to +10V (input resistance: 200kΩ).
74 74  
75 75  Warning: this unit may be damaged by input voltage in excess of ±15V
... ... @@ -78,34 +78,33 @@
78 78  
79 79  Warning: this unit may be damaged by input currents in excess of ±32mA.
80 80  )))
81 -|=**Digital output**|(% colspan="2" %)(((
90 +|**Digital output**|(% colspan="2" %)(((
82 82  12-bit conversion stored in 16-bit 2’s complement form
83 83  
84 -Maximum value: +2047 Minimum value: -2048
93 +Maximum value:+2047 Minimum value:-2048
85 85  )))
86 -|=**Analog accuracy**|±1% (for the range of -10V to +10V)|±1% (for the range of -20mA to +20mA)
87 -|=(((
95 +|**Analog accuracy**|±1% (for the range of -10V to +10V)|±1% (for the range of -20mA to +20mA)
96 +|(((
88 88  **Conversion**
89 89  
90 -**time for each channel**
91 -)))|(% colspan="2" %)Tconv ≤10ms (High-speed), 10ms≤Tconv≤20ms (Middle speed), Tconv>20ms (Low speed)
99 +**speed**
100 +)))|(% colspan="2" %)15ms/channel (Normal speed), 6ms/channel (High speed)
92 92  
93 93  **Analog Inputs continued...**
94 94  
95 95  (% class="table-bordered" %)
96 -|=**Preset 0 (-10V to +10V)**|=**Preset 1 (+4mA to +20mA)**|=**Preset 2 (-20mA to +20mA)**
97 -|[[image:LX3V-4AD_html_8bdc9efc08b433c8.png||height="371" width="420" class="img-thumbnail"]]|[[image:LX3V-4AD_html_a268382a2adb0b80.png||height="345" width="420" class="img-thumbnail"]]|[[image:LX3V-4AD_html_a58cfb9f37ade123.png||height="363" width="420" class="img-thumbnail"]]
105 +|**Preset 0 (-10V to +10V)**|**Preset 1 (+4mA to +20mA)**|**Preset 2 (-20mA to +20mA)**
106 +|[[image:LX3V-4AD_html_8bdc9efc08b433c8.png||class="img-thumbnail"]]|[[image:LX3V-4AD_html_a268382a2adb0b80.png||class="img-thumbnail"]]|[[image:LX3V-4AD_html_a58cfb9f37ade123.png||class="img-thumbnail"]]
98 98  
99 -(% class="box infomessage" %)
100 -(((
101 -**✎Note: **Preset ranges are selected by an appropriate setting in buffer memory of the analog block. Current/Voltage input selection must match the correct input terminal connections.
102 -)))
108 +**✎Note: **
103 103  
110 +Preset ranges are selected by an appropriate setting in buffer memory of the analog block. Current/Voltage input selection must match the correct input terminal connections.
111 +
104 104  **Miscellaneous**
105 105  
106 106  (% class="table-bordered" %)
107 -|=(% scope="row" style="width: 147px;" %)**Item**|=(% style="width: 928px;" %)**Description**
108 -|=(% style="width: 147px;" %)Isolation|(% style="width:928px" %)(((
115 +|**Item**|**Description**
116 +|Isolation|(((
109 109  Photo-couple isolation between analog and digital circuits. DC/DC converter isolation of power from LX3VCPU.
110 110  
111 111  No isolation between analog channels.
... ... @@ -113,44 +113,28 @@
113 113  
114 114  **Allocation of buffer memories (BFM)**
115 115  
116 -(% style="margin-left:auto; margin-right:auto" %)
117 -|=**BFM**|=(% colspan="9" %)**Description**
124 +(% class="table-bordered" %)
125 +|**BFM**|(% colspan="9" %)**Description**
118 118  |*#0|(% colspan="9" %)Channel initialization, default=H0000
119 -|*#1|Channel 1|(% colspan="8" rowspan="4" %)(((
127 +|*#1|(% style="width:244px" %)Channel 1|(% colspan="8" rowspan="4" style="width:769px" %)(((
120 120  Contains the number of samples (1 to 4096) to be used for an averaged result.
121 121  
122 122  The default setting is 8-normal speed. High speed operation can be selected with a value of 1.
123 123  )))
124 -|*#2|Channel 2
125 -|*#3|Channel 3
126 -|*#4|Channel 4
127 -|#5|Channel 1|(% colspan="8" rowspan="4" %)These buffer memories contain the averaged input values for the number of samples entered for the channel in buffer memories #1 to #4 respectively.
128 -|#6|Channel 2
129 -|#7|Channel 3
130 -|#8|Channel 4
131 -|#9|Channel 1|(% colspan="8" rowspan="4" %)These buffer memories contain the present value currently being read by each input channel.
132 -|#10|Channel 2
133 -|#11|Channel 3
134 -|#12|Channel 4
132 +|*#2|(% style="width:244px" %)Channel 2
133 +|*#3|(% style="width:244px" %)Channel 3
134 +|*#4|(% style="width:244px" %)Channel 4
135 +|#5|(% style="width:244px" %)Channel 1|(% colspan="8" rowspan="4" style="width:769px" %)These buffer memories contain the averaged input values for the number of samples entered for the channel in buffer memories #1 to #4 respectively.
136 +|#6|(% style="width:244px" %)Channel 2
137 +|#7|(% style="width:244px" %)Channel 3
138 +|#8|(% style="width:244px" %)Channel 4
139 +|#9|(% style="width:244px" %)Channel 1|(% colspan="8" rowspan="4" style="width:769px" %)These buffer memories contain the present value currently being read by each input channel.
140 +|#10|(% style="width:244px" %)Channel 2
141 +|#11|(% style="width:244px" %)Channel 3
142 +|#12|(% style="width:244px" %)Channel 4
135 135  |#13-#14|(% colspan="9" %)Reserved
136 -|(% rowspan="10" %)#15|(% rowspan="10" %)(((
137 -Selection of A/D conversion speed
138 -
139 -Please refer to note 2
140 -)))|(% colspan="4" %)Set value|(% colspan="4" %)(((
141 -Conversion time
142 -
143 -(Unit: ms/channel)
144 -)))
145 -|(% colspan="4" %)0 (Default)|(% colspan="4" %)15
146 -|(% colspan="4" %)1|(% colspan="4" %)6
147 -|(% colspan="4" %)10|(% colspan="4" %)3
148 -|(% colspan="4" %)11|(% colspan="4" %)4.5
149 -|(% colspan="4" %)12|(% colspan="4" %)7
150 -|(% colspan="4" %)13|(% colspan="4" %)12.5
151 -|(% colspan="4" %)14|(% colspan="4" %)23.5
152 -|(% colspan="4" %)15|(% colspan="4" %)45.5
153 -|(% colspan="4" %)16|(% colspan="4" %)101
144 +|(% rowspan="2" %)#15|(% rowspan="2" style="width:244px" %)Selection of A/D conversion speed please refer to note 2|(% colspan="8" style="width:769px" %)When set to 0, a normal speed is selected of 15m/s.ch (default)
145 +|(% colspan="8" style="width:769px" %)When set to 1, a high speed is selected of 6m/s.ch
154 154  |#16-#19|(% colspan="9" %)Reserved
155 155  |*#20|(% colspan="9" %)Reset to Defaults and Preset. Default = 0
156 156  |*#21|(% colspan="9" %)(((
... ... @@ -158,9 +158,10 @@
158 158  
159 159  Default = (0, 1) Permit
160 160  )))
161 -|*#22|Offset, Gain Adjust|G4|04|G3|03|G2|01|G1|01
162 -|*#23|(% colspan="9" %)Offset Value    Default = 0
163 -|*#24|(% colspan="9" %)Gain Value      Default = 5,000
153 +|(% rowspan="2" %)*#22|(% rowspan="2" style="width:244px" %)Offset, Gain Adjust|(% style="width:84px" %)b7|(% style="width:91px" %)b6|(% style="width:94px" %)b5|(% style="width:94px" %)b4|(% style="width:100px" %)b3|(% style="width:107px" %)b2|(% style="width:120px" %)b1|b0
154 +|(% style="width:84px" %)G4|(% style="width:91px" %)O4|(% style="width:94px" %)G3|(% style="width:94px" %)O3|(% style="width:100px" %)G2|(% style="width:107px" %)O2|(% style="width:120px" %)G1|O1
155 +|*#23|(% colspan="9" %)Offset Value Default = 0
156 +|*#24|(% colspan="9" %)Gain Value Default = 5,000
164 164  |#25-#28|(% colspan="9" %)Reserved
165 165  |#29|(% colspan="9" %)Error status
166 166  |#30|(% colspan="9" %)(((
... ... @@ -170,48 +170,46 @@
170 170  )))
171 171  |#31|(% colspan="9" %)Hardware version
172 172  
173 -(% class="box infomessage" %)
174 -(((
175 -**✎Note: **
176 -
177 177  * In buffer memory locations (BFM’s) marked with an “*” data can be written from the PC using the TO command.
178 178  * For buffer memories (BFM’s) without “*”mark, data can be read to the PC using the FROM command.
179 179  * Before reading from the analog special function block, ensure these settings have been sent to the analog special function block. Otherwise, the previous values held in the analog block will be used.
180 180  * Offset (intercept): The analog input value when the digital output becomes 0.
181 181  * Gain (slope): The analog input value when the digital output becomes +1000.
182 -)))
183 183  
184 -**Channel Selection**
172 +**✎Note: **
185 185  
174 +* **Channel Selection**
175 +
186 186  Channel initialization is made by a 4 character HEX number HOOOO in buffer memory BFM #0. The least significant character controls channel 1 and the 4 character controls channel4.
187 187  
188 188  (% class="table-bordered" %)
189 -|=(% scope="row" %)**BFM#0**|=**Analog input**|=**Digital output**|=**Resolution**|=**Offset/Gain**|=**Constant**
190 -|=0|-10V~~10V|-2000~~2000|5 mV|0/5000|1000
191 -|=1|4mA~~20mA|0~~1000|16µA|4000/20000|1000
192 -|=2|-20mA~~20mA|-1000~~1000|20µA|0/20000|1000
193 -|=3|Disabled|/|/|/|/
194 -|=4|-10V~~10V|-10000~~10000|1mV|0/5000|10000
195 -|=5|4 mA ~~20mA|0~~10000|1.6µA|4000/20000|10000
196 -|=6|-20mA~~20mA|-10000~~10000|2.0µA|0/20000|10000
179 +|**BFM#0**|**Analog input**|**Digital output**|**Resolution**|**Offset/Gain**|**Constant**
180 +|0|-10V~~10V|-2000~~2000|5 mV|0/5000|1000
181 +|1|4mA~~20mA|0~~1000|16µA|4000/20000|1000
182 +|2|-20mA~~20mA|-1000~~1000|20µA|0/20000|1000
183 +|3|Disabled|/|/|/|/
184 +|4|-10V~~10V|-10000~~10000|1mV|0/5000|10000
185 +|5|4 mA ~~20mA|0~~10000|1.6µA|4000/20000|10000
186 +|6|-20mA~~20mA|-10000~~10000|2.0µA|0/20000|10000
197 197  
198 198  **Example: H3310**
199 199  
200 -* CH1: Preset range (-10V to +10V).
201 -* CH2: Preset range (+4mA to +20mA).
202 -* CH3, CH4: Channel OFF.
190 +CH1: Preset range (-10V to +10V).
203 203  
204 -**Analog to Digital Conversion Speed Change**
192 +CH2: Preset range (+4mA to +20mA).
205 205  
206 -By writing 0, 1 or decimal numbers between 10-16 into BFM#15 of the LX3V-4AD, the time at which A/D conversion is performed can be changed.
194 +CH3, CH4: Channel OFF.
207 207  
208 -However, the following points should be noted:
196 +* **Analog to Digital Conversion Speed Change**
209 209  
210 -1. To maintain a high-speed conversion, please use the FROM/TO commands as seldom as possible.
211 -1. When a conversion speed change occurs, BFM #1-#4 are set to their default values immediately after the change. Please be careful if an A/D time conversion will be part of the normal program execution.
212 -1. High-speed time conversion is usually used with BFM#1-#4.
213 -1. BFM#15 is configurated with the corresponding conversion time of 10-16, only supported by software version 20000 or above.
198 +By writing 0 or 1 into BFM #15 of the LX3V-4AD, the speed at which A/D conversion is performed can be changed.
214 214  
200 +However the following points should be noted: To maintain a high speed conversion rate, use the FROM/TO commands as seldom as possible.
201 +
202 +**✎Note: **
203 +
204 +* When a conversion speed change is made, BFM #1-#4 are set to their default values immediately after the change. This is regardless of the values they held originally. Bear this in mind if a speed change will be made as part of the normal program execution.
205 +
215 215  **Adjusting Gain and Offset values**
216 216  
217 217  **Formula for Gain/Offset: Digital output= (Analog input-Offset)*Constant/ (Gain-Offset)**
... ... @@ -219,15 +219,7 @@
219 219  * When buffer memory BFM #20 is activated by setting it to K1, all settings within the analog special function block are reset to their default settings. This is a very quick method to erase any undesired gain and offset adjustments.
220 220  * If (b1, b0) of BFM #21 is set to (1, 0), gain and offset adjustments are prohibited to prevent inadvertent changes by the operator. In order to adjust the gain and offset values, bits (b1, b0) must be set to (0, 1). The default is (0, 1).
221 221  * Gain and offset values of BFM #23 and #24 are sent to non-volatile memory gain and offset registers of the specified input channels. Input channels to be adjusted are specified by the appropriate G-O (gain-offset) bits of BFM #22.
222 -* (((
223 -Example:
224 224  
225 -If bits G1 and O1 are set to 1, input channel 1 will be adjusted when BFM #22 is written to by a TO instruction.
226 -)))
227 -* Channels can be adjusted individually or together with the same gain and offset values.
228 -* Gain and offset values in BFM #23 #24 are in units of mV or µA. Due to the resolution of the unit the actual response will be in steps of 5mV or 20µA.
229 -* When gain is less than or equal to offset, error will be adjusted. Gain and offset will not change. Error status will be given at BFM#29 b1. B4-b7 will give a specific channel offset/gain error.
230 -
231 231  Example:
232 232  
233 233  If bits G1 and O1 are set to 1, input channel 1 will be adjusted when BFM #22 is written to by a TO instruction.
... ... @@ -237,22 +237,20 @@
237 237  
238 238  **Status Information BFM #29**
239 239  
240 -(% style="margin-left:auto; margin-right:auto" %)
241 -|=**Bit devices of BFM #29**|=**ON**|=**OFF**
242 -|b0: Error|When any of b1 to b4 is ON. If any of b2 to b4 is ON, A/D conversion of all the channels is stopped|No error
243 -|b1: Offset/gain error|Offset/Gain data in EEPROM is corrupted or adjustment error.|Offset/Gain data normal
244 -|b2: Power source abnormality|24V DC power supply failure|Power supply normal
245 -|b3: Hardware error|A/D converter or other hardware failure|Hardware normal
246 -|b4: Channel 1 offset/gain error|(% rowspan="4" %)When channel offset/gain error is modified, the corresponding position is ON.|(% rowspan="4" %)Offset/Gain adjustment normal
247 -|b5: Channel 2 offset/gain error
248 -|b6: Channel 3 offset/gain error
249 -|b7: Channel 4 offset/gain error
250 -|b10: Digital range error|Digital output value is less than -2048 or more than +2047|Averaging is normal. (Between 1 and 4096)
251 -|b11: Averaging error|Number of averaging samples is 4097 or more or 0 or less (default of 8 will be used)|Averaging is normal. (Between 1 and 4096)
252 -|b12: Adjust prohibit|Prohibit-(b1, b0) of BFM #21 is set to (1, 0)|Permit-(b1, b0) of BFM #21 is set to (0,1)
223 +(% class="table-bordered" %)
224 +|**Bit devices of BFM #29**|(% style="width:570px" %)**ON**|(% style="width:313px" %)**OFF**
225 +|b0: Error|(% style="width:570px" %)When any of b1 to b4 is ON. If any of b2 to b4 is ON, A/D conversion of all the channels is stopped|(% style="width:313px" %)No error
226 +|b1: Offset/gain error|(% style="width:570px" %)Offset/Gain data in EEPROM is corrupted or adjustment error.|(% style="width:313px" %)Offset/Gain data normal
227 +|b2: Power source abnormality|(% style="width:570px" %)24V DC power supply failure|(% style="width:313px" %)Power supply normal
228 +|b3: Hardware error|(% style="width:570px" %)A/D converter or other hardware failure|(% style="width:313px" %)Hardware normal
229 +|b10: Digital range error|(% style="width:570px" %)Digital output value is less than -2048 or more than +2047|(% style="width:313px" %)Averaging is normal. (between 1 and 4096)
230 +|b11: Averaging error|(% style="width:570px" %)Number of averaging samples is 4097 or more or 0 or less (default of 8 will be used)|(% style="width:313px" %)Averaging is normal. (between 1 and 4096)
231 +|b12: Adjust prohibit|(% style="width:570px" %)Prohibit-(b1, b0) of BFM #21 is set to (1, 0)|(% style="width:313px" %)Permit-(b1, b0) of BFM #21 is set to (0,1)
253 253  
254 -**✎Note: **b8, b9 and b13 to b15 are undefined.
233 +**✎Note: **
255 255  
235 +* b4 to b7, b9 and b13 to b15 are undefined.
236 +
256 256  **Identification Code BFM #30**
257 257  
258 258  The identification (or ID) code number for a Special Function Block is read using the FROM command.
... ... @@ -271,43 +271,46 @@
271 271  
272 272  Gain determines the angle or slope of the calibration line, identified at a digital value of 1000.
273 273  
274 -* (a) Small gain: Large steps in digital readings
275 -* (b) Zero gain: Default is 5V or 20mA.
276 -* (c) Large gain: Small steps in digital readings.
255 +(a) Small gain: Large steps in digital readings
277 277  
257 +(b) Zero gain: Default is 5V or 20mA.
258 +
259 +(c) Large gain: Small steps in digital readings.
260 +
278 278  Offset is the “Position” of the calibrated line, identified at a digital value of 0.
279 279  
280 -* (d) Negative offset.
281 -* (e) Zero offset: Default is 0V or 4mA.
282 -* (f) Positive offset.
263 +(d) Negative offset.
283 283  
265 +(e) Zero offset: Default is 0V or 4mA.
266 +
267 +(f) Positive offset.
268 +
284 284  (% style="text-align:center" %)
285 -[[image:LX3V-4AD_html_f78533c1d988f63f.png||height="298" width="800" class="img-thumbnail"]]
270 +[[image:LX3V-4AD_html_f78533c1d988f63f.png||class="img-thumbnail" height="298" width="800"]]
286 286  
287 287  Offset and gain can be set independently or together. Reasonable offset ranges are -5 to +5V or -20mA to 20mA, and gain values 1V to 15V or 4mA to 32mA. Gain and offset can be adjusted by software in the LX3V main unit (please refer to program example 2).
288 288  
289 -* Bit device’s b1, b0 of the gain/offset BFM #21 should be set to 0, 1 to allow adjustment.
274 +* Bit device’s b1, b2 of the gain/offset BFM #21 should be set to 0, 1 to allow adjustment.
290 290  * Once adjustment is complete these bit devices should be set to 1, 0 to prohibit any further changes.
291 291  * Channel initialization (BFM #0) should be set to the nearest range, i. e. voltage/current etc.
292 292  
293 293  = **6 Example program** =
294 294  
295 -**Basic program**
280 +**basic program**
296 296  
297 -In the following example channels CH1 and CH2 are used as voltage inputs. The LX3V-4AD block is connected at the position of special function block No.0. Averaging is set at 4 and data registers D0 and D1 of the PC receive the averaged digital data. The FROM code for the special function block at position “0" is read from BFM #30 of that block and stored at D4 in the main unit. CMP is compared to check the block is a LX3V-4AD, if OK M1 is turned ON.
282 +In the following example channels CH1 and CH2 are used as voltage inputs. The LX3V-4AD block is connected at the position of special function block No.0. Averaging is set at 4 and data registers D0 and D1 of the PC receive the averaged digital data.
298 298  
299 -[[image:LX3V-4AD_html_e3a9b9608260f138.png||height="297" style="float:left" width="600" class="img-thumbnail"]]
284 +(% style="text-align:center" %)
285 +[[image:LX3V-4AD_html_e3a9b9608260f138.png||class="img-thumbnail" height="297" width="600"]]
300 300  
301 301  **✎Note: **
302 302  
289 +1. The FROM code for the special function block at position “0" is read from BFM #30 of that block and stored at D4 in the main unit. CMP is compared to check the block is a LX3V-4AD, if OK M1 is turned ON.
303 303  1. TO code: The analog input channels (CH1, CH2) are setup by writing H3300 to BFM #0 of the LX3V-4AD
304 304  1. The number of averaged samples for CH1 and CH2 is set to 4 by writing 4 to BFM #1 and #2 respectively.
305 305  1. The operational status of the LX3V-4AD is read from BFM #29 and output as bit devices at the LX3V main unit. If there are no errors in the operation of the LX3V-4AD, then the averaged data BFM’s are read.
306 306  1. In the case of this example BFM #5 and #6 are read into the LX3V main unit and stored at D0 and D1. These devices contain the averaged data for CH1 and CH2 respectively.
307 307  
308 -
309 -
310 -
311 311  **Using gain and offset in a program**
312 312  
313 313  The gain and offset of the LX3V-4AD can be adjusted using push-button switches on the input terminal of the PC. It can also be adjusted using software settings sent from the PC.
... ... @@ -321,32 +321,27 @@
321 321  Example: Adjusting gain/offset via software settings
322 322  
323 323  (% style="text-align:center" %)
324 -[[image:LX3V-4AD_html_41bef52ee180f2c9.png||height="980" width="600" class="img-thumbnail"]]
308 +[[image:LX3V-4AD_html_41bef52ee180f2c9.png||class="img-thumbnail" height="980" width="600"]]
325 325  
326 326  (((
327 327  Adjustment start
328 328  
329 -* (H0000)->BFM#0 (initialize input channels). Enter the instructions on the left and RUN the PC
330 -* (K1)->BFM#21. BFM#21 must be set to permit with (b1, b0)=(0,1)
331 -* (K0)->BFM#22 (offset/gain adjusts). Reset adjust bits
332 -* (K0)-> BFM#23 (offset)
333 -* (K2500)-> BFM#24 (gain)
334 -* (H0003)->BFM#22(offset/gain adjusts). 3=0011 i.e. O1=1, G1=1. Therefore channel 1 is adjusted.
313 +(H0000)->BFM#0 (initialize input channels). Enter the instructions on the left and RUN the PC
335 335  
336 -Adjustment ends.
315 +(K1)->BFM#21. BFM#21 must be set to permit with (b1, b0)=(0,1)
337 337  
338 -(K2)-> BFM#21. BFM#21 gain/offset adjust prohibit
317 +(K0)->BFM#22 (offset/gain adjusts). Reset adjust bits
339 339  
340 -**High-speed conversion by changing A/D conversion time in a program**
319 +(K0)-> BFM#23 (offset)
341 341  
342 -[[image:/bin/download/Expansions/1%20Module/Analog/LX3V-4AD/WebHome/6.3-%E5%9B%BE%E7%89%871.png?rev=1.1||alt="6.3-图片1.png"]][[image:/bin/download/Expansions/1%20Module/Analog/LX3V-4AD/WebHome/6.3-%E5%9B%BE%E7%89%871.png?rev=1.1||alt="6.3-图片1.png"]]**[[image:6.3-图片1.png]]**
343 -)))
321 +(K2500)-> BFM#24 (gain)
344 344  
345 -Writing K10 to BFM#15 and set conversion time of all channels as 3ms.
323 +(H0003)->BFM#22(offset/gain adjusts). 3=0011 i.e. O1=1, G1=1. Therefore channel 1 is adjusted.
346 346  
347 -Writing 1 to BFM#1 and set Channel 1 sample count to 1 to Channel 1 high-speed conversion.
325 +Adjustment ends.
348 348  
349 -= =
327 +(K2)-> BFM#21. BFM#21 gain/offset adjust prohibit
328 +)))
350 350  
351 351  = **7 Diagnostics** =
352 352  
... ... @@ -360,7 +360,7 @@
360 360  
361 361  **Error checking**
362 362  
363 -If the LX3V-4AD special function block does not seem to operate normally, check the following items.
342 +* If the LX3V-4AD special function block does not seem to operate normally, check the following items.
364 364  
365 365  Check the status of the POWER LED.
366 366  
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