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Changes for page 08 Communication

Last modified by Iris on 2025/07/24 15:23
From version 15.2
edited by Iris
on 2025/07/24 14:50
Change comment: There is no comment for this version
To version 11.1
edited by Mora Zhou
on 2024/07/17 14:12
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Iris
1 +XWiki.Mora
Content
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34 34  
35 35  (% class="table-bordered" %)
36 36  (% class="warning" %)|(% style="text-align:center; vertical-align:middle" %)[[image:image-20220611153144-2.png]]
37 -|(((
38 -The grounding wire cannot form a closed loop under no circumstances.
39 -)))
37 +|Under no circumstances can the grounding wire form a closed loop.
40 40  
41 41  When wiring, consider the drive capability of the computer/PLC and the distance between the computer/PLC and the servo drive. If the drive capacity is insufficient, a repeater is needed.
42 42  
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101 101  The servo uses a 16-bit CRC check, and the host computer must also use the same check rule, otherwise the CRC check will make mistake. When transmitting, the low bit is in the front and the high bit is at the back. The CRC code are as follows:
102 102  
103 103  {{code language="LUA"}}
104 -Uint16 CRC16_Calc(Uint8 *pBuf, Uint16 uLen)
105 105  {
106 106  
107 107      Uint16 crc = 0xffff;
... ... @@ -136,8 +136,8 @@
136 136  
137 137  }
138 138  
139 - }
140 140  
137 +
141 141      }
142 142  
143 143    }
... ... @@ -146,6 +146,9 @@
146 146  
147 147  }
148 148  
146 +return crc;
147 +
148 +}
149 149  {{/code}}
150 150  
151 151  == **Error response frame** ==
... ... @@ -272,20 +272,13 @@
272 272  Operation setting
273 273  )))|(% style="text-align:center; vertical-align:middle; width:165px" %)(((
274 274  Effective immediately
275 -)))|(% style="text-align:center; vertical-align:middle; width:109px" %)2|(% style="text-align:center; vertical-align:middle; width:85px" %)0 to 6|(% style="width:224px" %)(((
276 -0: 2400bps
277 -
278 -1: 4800bps
279 -
280 -2: 9600bps
281 -
282 -3: 19200bps
283 -
284 -4: 38400bps
285 -
286 -5: 57600bp
287 -
288 -6:115200bps
275 +)))|(% style="text-align:center; vertical-align:middle; width:109px" %)2|(% style="text-align:center; vertical-align:middle; width:85px" %)0 to 5|(% style="width:224px" %)(((
276 +* 0: 2400bps
277 +* 1: 4800bps
278 +* 2: 9600bps
279 +* 3: 19200bps
280 +* 4: 38400bps
281 +* 5: 57600bp
289 289  )))|(% style="text-align:center; vertical-align:middle; width:69px" %)-
290 290  |(% style="text-align:center; vertical-align:middle; width:121px" %)P12-03|(% style="text-align:center; vertical-align:middle; width:165px" %)Serial data format|(% style="text-align:center; vertical-align:middle; width:148px" %)(((
291 291  Operation setting
... ... @@ -292,13 +292,10 @@
292 292  )))|(% style="text-align:center; vertical-align:middle; width:165px" %)(((
293 293  Effective immediately
294 294  )))|(% style="text-align:center; vertical-align:middle; width:109px" %)0|(% style="text-align:center; vertical-align:middle; width:85px" %)0 to 3|(% style="width:224px" %)(((
295 -0: 1 stop bit, no parity
296 -
297 -1: 1 stop bit, odd parity
298 -
299 -2: 1 stop bit, even parity
300 -
301 -3: 2 stop bits, no parity
288 +* 0: 1 stop bit, no parity
289 +* 1: 1 stop bit, odd parity
290 +* 2: 1 stop bit, even parity
291 +* 3: 2 stop bits, no parity
302 302  )))|(% style="text-align:center; vertical-align:middle; width:69px" %)-
303 303  |(% style="text-align:center; vertical-align:middle; width:121px" %)P12-04|(% style="text-align:center; vertical-align:middle; width:165px" %)Modbus communication data is written into EEPROM|(% style="text-align:center; vertical-align:middle; width:148px" %)(((
304 304  Operation setting
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305 305  )))|(% style="text-align:center; vertical-align:middle; width:165px" %)(((
306 306  Effective immediately
307 307  )))|(% style="text-align:center; vertical-align:middle; width:109px" %)0|(% style="text-align:center; vertical-align:middle; width:85px" %)0 to 1|(% style="width:224px" %)(((
308 -0: Do not write to EEPROM, and do not store after power failure;
309 -
310 -1: Write to EEPROM, power-down storage.
298 +* 0: Do not write to EEPROM, and do not store after power failure;
299 +* 1: Write to EEPROM, power-down storage.
311 311  )))|(% style="text-align:center; vertical-align:middle; width:69px" %)-
312 -|P12-06|Modbus 32-bit variable big endian and little endian|(((
313 -Operation
314 314  
315 -setting
316 -)))|(((
317 -Effective
318 -
319 -immediately
320 -)))|0|0-1|(((
321 -0: Big-endian mode, the lower address stores the higher 16 bits of data, and the higher address stores the lower 16 bits of data
322 -
323 -1: Little-endian mode, the lower address stores the lower 16 bits of data, and the higher address stores the higher 16 bits of data
324 -)))|-
325 -
326 326  = **Modbus communication variable address and value** =
327 327  
328 328  == **Variable address** ==
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356 356  )))|=(% style="text-align: center; vertical-align: middle; width: 278px;" %)(((
357 357  **Modbus address (Decimal)**
358 358  )))|=(% style="text-align: center; vertical-align: middle; width: 192px;" %)**Category**|=(% style="text-align: center; vertical-align: middle; width: 142px;" %)**Name**
359 -|(% style="text-align:center; vertical-align:middle; width:162px" %)P00-01|(% style="text-align:center; vertical-align:middle; width:302px" %)0x0001|(% style="text-align:center; vertical-align:middle; width:278px" %)1|(% style="text-align:center; vertical-align:middle; width:192px" %)Basic settings|(% style="text-align:center; vertical-align:middle; width:142px" %)Control mode
335 +|(% style="text-align:center; vertical-align:middle; width:162px" %)P0-1|(% style="text-align:center; vertical-align:middle; width:302px" %)0x0001|(% style="text-align:center; vertical-align:middle; width:278px" %)1|(% style="text-align:center; vertical-align:middle; width:192px" %)Basic settings|(% style="text-align:center; vertical-align:middle; width:142px" %)Control mode
360 360  
361 361  For detailed parameter addresses, please refer to __[["11.1 Lists of parameters".>>https://docs.we-con.com.cn/bin/view/Servo/Manual/02%20VD2%20SA%20Series/11%20Appendix/#HListsofparameters]]__
362 362