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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 13.1
edited by Mora Zhou
on 2025/04/29 14:19
Change comment: There is no comment for this version

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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;
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136 136  
137 137  }
138 138  
139 - }
140 140  
137 +
141 141      }
142 142  
143 143    }
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146 146  
147 147  }
148 148  
146 +return crc;
147 +
148 +}
149 149  {{/code}}
150 150  
151 151  == **Error response frame** ==
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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
359 +|(% 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