Changes for page 07 Communication

Last modified by Devin Chen on 2024/08/19 14:28

From version 17.1
edited by Theodore Xu
on 2024/08/08 10:10
Change comment: There is no comment for this version
To version 14.1
edited by Devin Chen
on 2024/03/22 09:52
Change comment: There is no comment for this version

Summary

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Author
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1 -XWiki.AiXia
1 +XWiki.DevinChen
Content
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149 149  
150 150  **Read bit address from device**
151 151  
152 +(When reading the bit address, the return value of 256 means that the coil is turned ON, and the return value of 0 means that the coil is turned OFF.)
153 +
152 152  (% style="text-align:center" %)
153 153  [[image:1641781999957-637.png||height="390" width="750" class="img-thumbnail"]]
154 154  
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261 261  )))
262 262  |M8191|Processing sending data
263 263  
264 -== **Communications format** ==
266 +== **Communications format:** ==
265 265  
266 266  (% border="1" %)
267 267  |=**Item**|=(% style="width: 115px;" %)**Parameters**|=(% style="width: 239px;" %)**b15(RS2)**|=**b14-b8**|=**b7**|=**b6**|=**b5**|=**b4**|=**b3**|=**b2**|=**b1**|=**b0**
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284 284  == **Communication error code (D8211~~D8218)** ==
285 285  
286 286  |=(% style="width: 195px;" %)**Error code**|=(% style="width: 881px;" %)**Description**
287 -|(% style="width:195px" %)1|(% style="width:881px" %)The monitoring period has elapsed, and the slave station has not responded to requests from the master station yet.
289 +|(% style="width:195px" %)1|(% style="width:881px" %)The monitoring period has elapsed, and the slave station has not respond to requests from the master station yet.
288 288  |(% style="width:195px" %)2|(% style="width:881px" %)The other slave stations have responded to requests sent by the master station.
289 289  |(% style="width:195px" %)3|(% style="width:881px" %)The count values in the parameter data do not match those responded by the slave stations.
290 290  |(% style="width:195px" %)4|(% style="width:881px" %)The response messages from the slave stations are incorrect.