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Changes for page 08 Communication

Last modified by Iris on 2025/07/24 15:23
From version 2.1
edited by Joey
on 2022/06/11 15:32
Change comment: There is no comment for this version
To version 1.3
edited by Joey
on 2022/06/08 17:44
Change comment: There is no comment for this version

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... ... @@ -16,7 +16,7 @@
16 16  The servo drive adopts RS485 half-duplex communication mode. The 485 bus should adopt the hand-in-hand structure instead of the star structure or the bifurcated structure. The star structure or bifurcation structure will produce reflected signals, which will affect the 485 communication.
17 17  
18 18  (% class="table-bordered" %)
19 -|(% style="text-align:center; vertical-align:middle" %)[[image:image-20220611153134-1.png]]
19 +|(% style="text-align:center; vertical-align:middle" %)[[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_6db94f5d0421f97a.png?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_6db94f5d0421f97a.png"]]
20 20  |(((
21 21  ✎The wiring must use shielded twisted pair, stay away from strong electricity, do not run in parallel with the power line, let alone bundle it together!
22 22  
... ... @@ -33,7 +33,7 @@
33 33  No point in the RS485 network can be directly grounded. All devices in the network must be well grounded through their own grounding terminals.
34 34  
35 35  (% class="table-bordered" %)
36 -|(% style="text-align:center; vertical-align:middle" %)[[image:image-20220611153144-2.png]]
36 +|(% style="text-align:center; vertical-align:middle" %)[[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_6db94f5d0421f97a.png?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_6db94f5d0421f97a.png"]]
37 37  |Under no circumstances can the grounding wire form a closed loop.
38 38  
39 39  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.
... ... @@ -247,7 +247,7 @@
247 247  If you need to change the value of the function code frequently, it is recommended to turn off the function of real-time writing to EERPOM of function code, otherwise the EEPROM will be shortened due to frequent erasing and writing of the EEPROM.
248 248  
249 249  (% class="table-bordered" %)
250 -|(% style="text-align:center; vertical-align:middle" %)[[image:image-20220611153214-3.png]]
250 +|(% style="text-align:center; vertical-align:middle" %)[[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_6db94f5d0421f97a.png?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_6db94f5d0421f97a.png"]]
251 251  |After the EEPROM is damaged, the servo will have an non resettable fault!
252 252  
253 253  **(5) Set the high and low order of the 32-bit monitoring data**
... ... @@ -259,16 +259,16 @@
259 259  The description of related function codes are as follows.
260 260  
261 261  (% class="table-bordered" %)
262 -|(% style="text-align:center; vertical-align:middle; width:121px" %)**Function code**|(% style="text-align:center; vertical-align:middle; width:205px" %)**Name**|(% style="text-align:center; vertical-align:middle; width:187px" %)(((
262 +|(% style="text-align:center; vertical-align:middle; width:121px" %)**Function code**|(% style="text-align:center; vertical-align:middle; width:205px" %)**Name**|(% style="text-align:center; vertical-align:middle; width:135px" %)(((
263 263  **Setting method**
264 -)))|(% style="text-align:center; vertical-align:middle; width:186px" %)(((
264 +)))|(% style="text-align:center; vertical-align:middle; width:171px" %)(((
265 265  **Effective time**
266 -)))|(% style="text-align:center; vertical-align:middle; width:130px" %)**Default value**|(% style="text-align:center; vertical-align:middle; width:132px" %)**Range**|(% style="text-align:center; vertical-align:middle; width:335px" %)**Definition**|(% style="text-align:center; vertical-align:middle; width:189px" %)**Unit**
267 -|(% style="text-align:center; vertical-align:middle; width:121px" %)P12-02|(% style="text-align:center; vertical-align:middle; width:205px" %)Baud rate|(% style="text-align:center; vertical-align:middle; width:187px" %)(((
266 +)))|(% style="text-align:center; vertical-align:middle; width:115px" %)**Default value**|(% style="text-align:center; vertical-align:middle; width:61px" %)**Range**|(% style="text-align:center; vertical-align:middle; width:347px" %)**Definition**|(% style="text-align:center; vertical-align:middle" %)**Unit**
267 +|(% style="text-align:center; vertical-align:middle; width:121px" %)P12-02|(% style="text-align:center; vertical-align:middle; width:205px" %)Baud rate|(% style="text-align:center; vertical-align:middle; width:135px" %)(((
268 268  Operation setting
269 -)))|(% style="text-align:center; vertical-align:middle; width:186px" %)(((
269 +)))|(% style="text-align:center; vertical-align:middle; width:171px" %)(((
270 270  Effective immediately
271 -)))|(% style="text-align:center; vertical-align:middle; width:130px" %)2|(% style="text-align:center; vertical-align:middle; width:132px" %)0 to 5|(% style="width:335px" %)(((
271 +)))|(% style="text-align:center; vertical-align:middle; width:115px" %)2|(% style="text-align:center; vertical-align:middle; width:61px" %)0 to 5|(% style="width:347px" %)(((
272 272  0-2400bps
273 273  
274 274  1-4800bps
... ... @@ -280,12 +280,12 @@
280 280  4-38400bps
281 281  
282 282  5-57600bp
283 -)))|(% style="text-align:center; vertical-align:middle; width:189px" %)-
284 -|(% style="text-align:center; vertical-align:middle; width:121px" %)P12-03|(% style="text-align:center; vertical-align:middle; width:205px" %)Serial data format|(% style="text-align:center; vertical-align:middle; width:187px" %)(((
283 +)))|(% style="text-align:center; vertical-align:middle" %)-
284 +|(% style="text-align:center; vertical-align:middle; width:121px" %)P12-03|(% style="text-align:center; vertical-align:middle; width:205px" %)Serial data format|(% style="text-align:center; vertical-align:middle; width:135px" %)(((
285 285  Operation setting
286 -)))|(% style="text-align:center; vertical-align:middle; width:186px" %)(((
286 +)))|(% style="text-align:center; vertical-align:middle; width:171px" %)(((
287 287  Effective immediately
288 -)))|(% style="text-align:center; vertical-align:middle; width:130px" %)0|(% style="text-align:center; vertical-align:middle; width:132px" %)0 to 3|(% style="width:335px" %)(((
288 +)))|(% style="text-align:center; vertical-align:middle; width:115px" %)0|(% style="text-align:center; vertical-align:middle; width:61px" %)0 to 3|(% style="width:347px" %)(((
289 289  0: 1 stop bit, no parity
290 290  
291 291  1: 1 stop bit, odd parity
... ... @@ -293,16 +293,16 @@
293 293  2: 1 stop bit, even parity
294 294  
295 295  3: 2 stop bits, no parity
296 -)))|(% style="text-align:center; vertical-align:middle; width:189px" %)-
297 -|(% style="text-align:center; vertical-align:middle; width:121px" %)P12-04|(% style="text-align:center; vertical-align:middle; width:205px" %)Modbus communication data is written into EEPROM|(% style="text-align:center; vertical-align:middle; width:187px" %)(((
296 +)))|(% style="text-align:center; vertical-align:middle" %)-
297 +|(% style="text-align:center; vertical-align:middle; width:121px" %)P12-04|(% style="text-align:center; vertical-align:middle; width:205px" %)Modbus communication data is written into EEPROM|(% style="text-align:center; vertical-align:middle; width:135px" %)(((
298 298  Operation setting
299 -)))|(% style="text-align:center; vertical-align:middle; width:186px" %)(((
299 +)))|(% style="text-align:center; vertical-align:middle; width:171px" %)(((
300 300  Effective immediately
301 -)))|(% style="text-align:center; vertical-align:middle; width:130px" %)0|(% style="text-align:center; vertical-align:middle; width:132px" %)0 to 1|(% style="width:335px" %)(((
301 +)))|(% style="text-align:center; vertical-align:middle; width:115px" %)0|(% style="text-align:center; vertical-align:middle; width:61px" %)0 to 1|(% style="width:347px" %)(((
302 302  0: Do not write to EEPROM, and do not store after power failure;
303 303  
304 304  1: Write to EEPROM, power-down storage.
305 -)))|(% style="text-align:center; vertical-align:middle; width:189px" %)-
305 +)))|(% style="text-align:center; vertical-align:middle" %)-
306 306  
307 307  = **Modbus communication variable address and value** =
308 308  
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