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Changes for page 07 Communication

Last modified by Devin Chen on 2024/08/19 14:28
From version 18.1
edited by Devin Chen
on 2024/08/19 14:14
Change comment: Rollback to version 16.1
To version 5.1
edited by Stone Wu
on 2022/07/12 15:08
Change comment: There is no comment for this version

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1 -PLC Editor.WebHome
1 +PLC Editor.1 User Manual.WebHome
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1 -XWiki.DevinChen
1 +XWiki.Stone
Content
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6 6  |=WECON PLC Protocol|Using WECON PLC Protocol|01H
7 7  |=MODBUS RTU Master|PLC is slave device|02H
8 8  |=MODBUS ASCII Master|PLC is slave device|03H
9 -|=User-defined Protocol|Using User-defined Protocol|10H
10 10  |=MODBUS RTU Slave|PLC is master device|20H
11 11  |=MODBUS ASCII Slave|PLC is master device|30H
12 12  
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57 57  |S0 ~~ S999|0xE000 ~~ 0xE3E7|57344 ~~ 58343
58 58  |T0 ~~ T256|0xF000 ~~ 0xF100|61440 ~~ 61696
59 59  |C0 ~~ C255|0xF400 ~~ 0xF4FF|62464 ~~ 62719
60 -|X0 ~~ X377|0xF800 ~~ 0xF8FF|63488 ~~ 63743
61 -|Y0 ~~ Y377|0xFC00 ~~ 0xFCFF|64512 ~~ 64767
62 -|(% colspan="3" %)** PLC Word Address**
59 +|X0 ~~ X255|0xF800 ~~ 0xF9FE|63488 ~~ 63998
60 +|Y0 ~~ Y255|0xFC00 ~~ 0xFDFE|64512 ~~ 65022
61 +|(% colspan="3" %)** PLC Word Address**
63 63  |(% rowspan="2" %)PLC Address|(% colspan="2" %)MODBUS Address
64 64  |Hex|Decimal
65 65  |D0 ~~ D8255|0 ~~ 0x203F|0 ~~ 8255
... ... @@ -67,7 +67,7 @@
67 67  |C0 ~~ C199|0xF400 ~~ 0xF4C7|62464 ~~ 62663
68 68  |C200 ~~ C255|0xF700 ~~ 0xF7FF|63232 ~~ 63487
69 69  
70 -== **MODBUS function code introduction** ==
69 +== **MODBUS function fode introduction** ==
71 71  
72 72  **Function code 0x01(01): read coil (bit address)**
73 73  
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186 186  [[image:1641782203514-616.png||height="230" width="746"]]
187 187  
188 188  
189 -**WECON PLC Protocol (COM2)**
188 +**(8) WECON PLC Protocol (COM2)**
190 190  
191 191  [[image:1641782240401-942.png||height="161" width="754"]]
192 192  
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196 196  
197 197  == **LX3VP COM2 N:N Connection** ==
198 198  
199 -PLC built-in N:N connection protocol provides an effective way to exchange data among multiple PLC (Max. 8 devices). Technically, it only requires the twisted pair RS485 cable to connect with each PLC COM2 (in parallel).
198 +PLC built-in N:N connection protocol provides a effective way to exchange data among multiple PLC (Max. 8 devices). Technically, it only requires the twisted pair RS485 cable to connect with each PLC COM2 (in parallel).
200 200  
201 201  (% style="text-align:center" %)
202 202  [[image:9.Communication example_html_8c43baa1ae891689.jpg||height="142" width="500" class="img-thumbnail"]]
203 203  
204 -== **COM2 N:N Instructions  ** ==
203 +=== **COM2 N:N Instructions  ** ===
205 205  
206 206  User should put data to specified register unit. Exchanging the data among PLCs, This function only requires putting data in preset register block, all the data in this register block would share with other PLCs. There are five modes for choice, according to data volume and communication speed. See the preset register block from table below.
207 207  
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234 234  (% style="text-align:center" %)
235 235  [[image:9.Communication example_html_b805bca9e1166337.jpg||height="93" width="600" class="img-thumbnail"]]
236 236  
237 -== **Special devices in N: N network** ==
236 +=== **The special devices in N: N network** ===
238 238  
239 239  (% border="1" %)
240 240  |=**Register**|=**Description**
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263 263  )))
264 264  |M8191|Processing sending data
265 265  
266 -== **Communications format** ==
265 +=== **Communications format:** ===
267 267  
268 268  (% border="1" %)
269 269  |=**Item**|=(% style="width: 115px;" %)**Parameters**|=(% style="width: 239px;" %)**b15(RS2)**|=**b14-b8**|=**b7**|=**b6**|=**b5**|=**b4**|=**b3**|=**b2**|=**b1**|=**b0**
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283 283  |(% rowspan="2" %)**Data bit**|(% style="width:115px" %)7 bit|(% style="width:239px" %)-|-|-|-|-|-|-|-|0
284 284  |(% style="width:115px" %)8 bit|(% style="width:239px" %)-|-|-|-|-|-|-|-|1
285 285  
286 -== **Communication error code (D8211~~D8218)** ==
285 +=== **Program example** ===
287 287  
288 -|=(% style="width: 195px;" %)**Error code**|=(% style="width: 881px;" %)**Description**
289 -|(% 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.
290 -|(% style="width:195px" %)2|(% style="width:881px" %)The other slave stations have responded to requests sent by the master station.
291 -|(% style="width:195px" %)3|(% style="width:881px" %)The count values in the parameter data do not match those responded by the slave stations.
292 -|(% style="width:195px" %)4|(% style="width:881px" %)The response messages from the slave stations are incorrect.
293 -|(% style="width:195px" %)17|(% style="width:881px" %)The monitoring period has elapsed,the master station has not sent a request to the next slave station yet.
294 -|(% style="width:195px" %)20|(% style="width:881px" %)The messages from the master station are incorrect.
295 -|(% style="width:195px" %)33|(% style="width:881px" %)The slave station is unresponsive.
296 -|(% style="width:195px" %)34|(% style="width:881px" %)The other slave stations have responded to requests sent by the master station.
297 -|(% style="width:195px" %)35|(% style="width:881px" %)The count values in the parameter data do not match those responded by the slave stations.
298 -|(% style="width:195px" %)49|(% style="width:881px" %)The slave station received requests from the master station before receiving the parameters.
299 -
300 -== **Program example** ==
301 -
302 302  LX3VP COM2 port communication parameters: 9600, 1, 8, NONE. Register block mode: 3
303 303  
304 304  **PLC as master**
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319 319  * In LX3VP series PLC, only one kind of N:N configuration available. Second mode would be disabled when LX3VP built-in N:N protocol configured.
320 320  )))
321 321  
322 -= (% style="color:inherit; font-family:inherit" %)**RS485-BD and ETH-BD communiaction**(%%) =
307 +== (% style="color:inherit; font-family:inherit" %)**3 RS485-BD and ETH-BD communiaction**(%%) ==
323 323  
324 324  Please kindly check the link as below.
325 325