Skip to Content

Wiki source code of 1 Communication

Version 23.1 by Ben on 2022/08/20 11:45
Show last authors
1 = **1 General communication with PLC** =
2
3 == **Modbus RTU** ==
4
5 === **V-BOX as master** ===
6
7 Select the protocol “(% class="mark" %)Modbus RTU Slave(All Fuction)”,
8
9 (% class="mark" %)then set BaudRate,Port,Stop Bit,Data Bit,Parity
10
11 (% style="text-align:center" %)
12 [[image:1624342015914-382.png||height="486" width="800" class="img-thumbnail"]]
13
14 === **V-BOX as slave** ===
15
16 Select the protocol “(% class="mark" %)**Modbus RTU Master”**,
17
18 (% class="mark" %)then set BaudRate,Port,Stop Bit,Data Bit,Parity
19
20 (% style="text-align:center" %)
21 [[image:1624348709622-711.png||queryString="width=809&height=493" height="488" width="800" class="img-thumbnail"]]
22
23 **Address List**
24
25 (% class="table-bordered" %)
26 |**Type**|**Register**|**Function code & Description**
27 |(% rowspan="11" %)Word|(% rowspan="3" %)3|04 (read input register: read current binary value in one or more input registers)
28 |06 (write single register: write a binary value to a holding register)
29 |10 (write values to multiple addresses )
30 |(% rowspan="3" %)4|03 (read holding register: read current binary value in one or more holding registers)
31 |06 (write single register: write a binary value to a holding register)
32 |10 (write values to multiple addresses )
33 |(% rowspan="3" %)W6|03 (read holding register: read current binary value in one or more holding registers)
34 |06 (write single register: write a binary value to a holding register)
35 |10 (write values to multiple addresses )
36 |(% rowspan="2" %)W16|03 (read holding register: read current binary value in one or more holding registers)
37 |10 (write values to multiple addresses )
38 |(% rowspan="11" %)Bit|(% rowspan="3" %)0|01 (Read coil state)
39 |05 (Force a single coil to force the on/off state of a logic coil)
40 |0F (Write multiple bits, ie write continuously)
41 |(% rowspan="3" %)1|02 (Read the input state)
42 |05 (Force a single coil to force the on/off state of a logic coil)
43 |0F (Write multiple bits)
44 |(% rowspan="3" %)W5|01 (Read coil state to obtain the current state of a set of logic coils)
45 |05 (Force a single coil to force the on/off state of a logic coil)
46 |0F (Write multiple bits)
47 |(% rowspan="2" %)W15|01 (Read coil state to obtain the current state of a set of logic coils)
48 |0F (Write multiple bits)
49
50 = ** WECON PLC** =
51
52 Supported series: WECON LX2V/ LX2E/ LX3V/LX3VP/LX3VE/LX3VM
53
54 **HMI Settings**
55
56 |**Item**|**Settings**|**Note**
57 |Protocol|WECON LX2V/ LX2E/ LX3V/LX3VP/LX3VE/LX3VM|
58 |Connection|RS422/RS485|
59 |Baud rate|9600|
60 |Data bit|7|
61 |Parity|EVEN|
62 |Stop bit|1|
63 |PLC station No.|1|
64
65 **Address List**
66
67 |**Type**|**Device registers**|**HMI registers**|**Format**|**Range**|**Note**
68 |(% rowspan="6" %)Bit|X|X|Xo|0~~303237|
69 |Y|Y|Y o|0~~303237|
70 |M|M|M d|0~~99999|
71 |T|T|T d|0~~99999|
72 |C|C|C d|0~~99999|
73 |S|S|S d|0~~99999|
74 |(% rowspan="8" %)Word|X|X|Xo|0~~303237|
75 |Y|Y|Y o|0~~303237|
76 |M|M|M d|0~~99999|
77 |T|T|T d|0~~99999|
78 |C|C|C d|0~~199|
79 |D|D|D d|0~~7999|
80 |S|S|S d|0~~99999|
81 |SD|SD|SD d|8000~~9999|
82
83 **Cable Wiring**
84
85 * **RS485**
86
87 (% style="text-align:center" %)
88 [[image:12.PLC Protocol_html_5e9a81a14106da9e.png||data-xwiki-image-style-alignment="center" height="223" width="392" class="img-thumbnail"]]
89
90 (% style="text-align:center" %)
91 [[image:12.PLC Protocol_html_1897d92be6948d58.png||data-xwiki-image-style-alignment="center" height="223" width="393" class="img-thumbnail"]]
92
93 * **RS422**
94
95 (% style="text-align:center" %)
96 [[image:12.PLC Protocol_html_5c7fca9a70da2ee8.png||data-xwiki-image-style-alignment="center" height="247" width="389" class="img-thumbnail"]]
97
98 **✎Note:**
99
100 * HMI COM3 is available in PI8000 series and COM3 is in COM2(hardware PIN 7 and PIN 8) .
101 * If PLC <= 20 points,such as LX3V-1208/LX3V-0806 PLC,PLC RS485A and RS485B mean PLC COM2 RS485+ and RS485- .PLC COM2 can support modbus. Please refer to PLC COM2 setting manual.
102
103 [[https:~~/~~/drive.google.com/drive/folders/13rgso7oUlatZQN_SNEcJCcN4toEdDPoP?usp=sharing>>url:https://drive.google.com/drive/folders/13rgso7oUlatZQN_SNEcJCcN4toEdDPoP?usp=sharing]]
104
105 == HMI and Wecon LX5V serial communication ==
106
107 This example introduces the establishment of serial port communication between Wecon HMI and LX5V. It is introduced through three parts: PLC software configuration, HMI software configuration, and hardware wiring.
108
109 **Software configuration of PLC**
110
111 **1）PLC programming software**
112
113 [[image:image-20220810164710-1.png]]
114
115 **2）New PLC project**
116
117 Click New Project and select the PLC model.
118
119 [[image:image-20220810172412-1.png]]
120
121 **3）Set Serial port parameters**
122
123 Follow the steps below to configure Serial port parameters
124
125 Baud rate：115200
126
127 Data bit：8
128
129 Stop bit：1
130
131 Parity：No verification
132
133 [[image:image-20220810165759-3.png]]
134
135 **4）Registers list**
136
137 [[image:image-20220811102219-3.png]]
138
139 **HMI software configuration**
140
141 **1）HMI programming software**
142
143 [[image:image-20220810171237-4.png]]
144
145 **2）New HMI project**
146
147 Click New Project and select the HMI model.
148
149 [[image:image-20220810172010-5.png]]
150
151 **3）Set communication port parameters**
152
153 Click the communication configuration button on the left to find the communication protocol with LX5V. After selecting the protocol, configure the communication parameters of the COM port.
154
155 Baud rate：115200
156
157 Data bit：8
158
159 Stop bit：1
160
161 Parity：No verification
162
163 [[image:image-20220811104012-1.png]]
164
165 **hardware connection**
166
167 **1）Hardware wiring diagram**
168
169 This example introduces WeconHMI with LX5V PLC to establish communication through serial port. The connection diagram is as follows:
170
171 [[image:image-20220811103005-4.png]]
172
173 [[image:image-20220811103227-7.png]]
174
175 The above are all the steps for establishing serial port communication between Wecon HMI with LX5V PLC.
176
177 == HMI and Wecon LX5V-N Ethernet communication ==
178
179 This example introduces the establishment of Ethernet communication between Wecon HMI and LX5V. It is introduced through three parts: PLC software configuration, HMI software configuration, and hardware wiring.
180
181 **Software configuration of PLC**
182
183 **1）PLC programming software**
184
185 [[image:image-20220810164710-1.png]]
186
187 **2）New PLC project**
188
189 Click New Project and select the PLC model.
190
191 [[image:image-20220811115454-1.png]]
192
193 **3）Set Ethernet port parameters**
194
195 Follow the steps below to configure Ethernet parameters
196
197 PLC IP address：192.168.39.200
198
199 default gateway：192.168.39.1
200
201 subnet mask：255.255.255.0
202
203 [[image:image-20220811140530-2.png]]
204
205 **4）Registers list**
206
207 [[image:image-20220811102219-3.png]]
208
209 **HMI software configuration**
210
211 **1）HMI programming software**
212
213 [[image:image-20220810171237-4.png]]
214
215 **2）New HMI project**
216
217 Click New Project and select the HMI model.
218
219 [[image:image-20220810172010-5.png]]
220
221 **3）Set communication port parameters**
222
223 Click the project setting button on the left to configure the IP address of the HMI machine to ensure that the HMI and PLC IP remain in a local area network.
224
225 HMI IP address：192.168.39.201
226
227 default gateway：192.168.39.1
228
229 subnet mask：255.255.255.0
230
231 [[image:image-20220811170753-2.png]]
232
233 Next, click Communication Settings to configure the IP of the HMI communication object.
234
235 [[image:image-20220811163047-1.png]]
236
237 **hardware connection**
238
239 **1）Hardware wiring diagram**
240
241 This example introduces WeconHMI with LX5V-N PLC to establish communication through ethernet. The connection diagram is as follows:
242
243 [[image:image-20220811170248-1.png]]
244
245 The above are all the steps for establishing ethernet communication between Wecon HMI with LX5V PLC.
246
247 (% style="text-align:center" %)
248 [[image:1624348978863-771.png||queryString="width=812&height=494" height="487" width="800" class="img-thumbnail"]]
249
250 = **Rockwell PLC** =
251
252 == **Communication with Allen-Bradley CompactLogix L1769** ==
253
254 (((
255 (((
256 This example introduces the establishment of Ethernet communication between Wecon V-box and Allen-Bradley L1769. It is introduced through three parts: PLC software configuration, V-box software configuration, and hardware wiring.
257 )))
258
259
260 )))
261
262 (((
263 (% class="wikigeneratedid" id="HSoftwareconfigurationofPLC" %)
264 (((
265 **Software configuration of PLC**
266 )))
267
268 (% class="wikigeneratedid" id="HPLCprogrammingsoftware" %)
269 (((
270 **1）PLC programming software**
271 )))
272
273 [[image:image-20220714162600-1.png]]
274
275 (% class="wikigeneratedid" id="HNewPLCproject" %)
276 (((
277 **2）New PLC project**
278 )))
279
280 (((
281 (((
282 Click New Project and select the PLC model.
283 )))
284 )))
285
286 (((
287 [[image:image-20220714162617-2.png]]
288 )))
289
290 (((
291
292
293 [[image:image-20220714162652-4.png]]
294 )))
295
296 (((
297 (% class="wikigeneratedid" id="HSetEthernetparameters" %)
298 (((
299 **3）Set Ethernet parameters**
300 )))
301
302 (((
303 (((
304 (((
305 Follow the steps below to configure Ethernet parameters
306 )))
307 )))
308 )))
309
310 (((
311 (((
312 (((
313 PLC IP address：192.168.40.101
314 )))
315 )))
316 )))
317
318 (((
319 (((
320 (((
321 default gateway：192.168.40.1
322 )))
323 )))
324 )))
325
326 (((
327 (((
328 (((
329 subnet mask：255.255.255.0
330 )))
331 )))
332 )))
333
334 (((
335 [[image:image-20220714162713-5.png]]
336 )))
337
338 (((
339
340 )))
341
342 (((
343 (% class="wikigeneratedid" id="HV-boxsoftwareconfiguration" %)
344 (((
345 **V-box software configuration**
346 )))
347
348 (% class="wikigeneratedid" id="HV-boxprogrammingsoftware" %)
349 (((
350 **1）V-box programming software**
351 )))
352
353 (% class="wikigeneratedid" %)
354 (((
355 [[image:image-20220714162725-6.png]]
356 )))
357
358 (% class="wikigeneratedid" id="HConfiguredevicenetwork" %)
359 (((
360 **2）Configure device network**
361 )))
362
363 (((
364 (((
365 (((
366 Click the Configuration Download button[[image:image-20220714115308-8.png||height="22" width="15"]], It is used to configure the device network, update the device time, obtain the device machine code, check the device network, etc.
367 )))
368
369 (((
370 In the example below, the IP address of V-Box is configured as 192.168.40.66, and the networking method is 4G connection
371 )))
372 )))
373 )))
374
375 (((
376 (((
377 [[image:image-20220714162737-7.png]]
378
379
380 )))
381 )))
382 )))
383 )))
384
385 (% class="wikigeneratedid" id="HV-netadddevice" %)
386 (((
387 **3）V-net add device**
388 )))
389 )))
390
391 (((
392 (((
393 Open VNET client software → add device. As shown in the figure below, click "+" in the order of steps, and the Add Device window will pop up, enter the device machine code/product code, device password, and device alias to add the device.   [[image:image-20220714162752-8.png]]
394 )))
395
396
397 )))
398
399 (((
400 (% class="wikigeneratedid" id="HSetcommunicationportparameters" %)
401 (((
402 **4）Set communication port parameters**
403 )))
404
405 (((
406 In the device list on the left, find the Vbox that communicates with the L1769, click it and select configuration,communication port configuration in the main interface to add a communication protocol.
407 )))
408
409 [[image:image-20220714162805-9.png]]
410 )))
411
412 (((
413 The communication port is selected as Ethernet, the device type is selected as Allen-Bradley, the protocol is Allen-BradleyMicro850_FreeTag EthemetIP, and the IP is the internal IP address of the L1769 PLC. The port number is 44818.
414 )))
415
416 [[image:image-20220714162814-10.png]]
417
418
419 (((
420 After adding the protocol Allen-BradleyMicro850_FreeTag, click[[image:image-20220714143838-2.png]]icon add label.[[image:image-20220714162827-11.png]]
421 )))
422
423 (% class="wikigeneratedid" id="HEngineeringproduction" %)
424 (((
425 **5）Engineering production**
426 )))
427
428 (% class="wikigeneratedid" %)
429 (((
430 (((
431 According to your own needs, use the V-NET client software to edit the required data monitoring points.
432 )))
433
434 [[image:image-20220714162841-12.png]]
435
436
437 (((
438 **hardware connection**
439 )))
440 )))
441
442 (((
443 **1）Hardware wiring diagram**
444 )))
445
446 (((
447 (((
448 This example introduces Wecon V-box with Allen-Bradley L1769 PLC to establish communication through Ethernet. The connection diagram is as follows:
449 )))
450
451 [[image:image-20220714162856-13.png]]
452
453 (((
454 The above are all the steps for establishing Ethernet communication between Wecon V-box with Allen-Bradley L1769 PLC.
455 )))
456 )))
457
458 == **Siemens S7-1200** ==
459
460 [[download link>>https://ftp.we-con.com.cn/Download/WIKI/V-BOX/Demo/%E9%80%9A%E8%AE%AF%E6%A1%88%E4%BE%8B/Communicate%20with%20S7-1200%20via%20Ehernet.zip]]
461
462 == **Allen-Bradley Ethernet DF1** ==
463
464 [[download link>>https://ftp.we-con.com.cn/Download/WIKI/V-BOX/Demo/%E9%80%9A%E8%AE%AF%E6%A1%88%E4%BE%8B/Allen-Bradley%20Ethernet%20DF1.zip]]
465
466 == **Communication with S7-200 Smart** ==
467
468 [[download link>>https://ftp.we-con.com.cn/Download/WIKI/V-BOX/Demo/%E9%80%9A%E8%AE%AF%E6%A1%88%E4%BE%8B/Communication%20with%20S7-200%20Smart.zip]]
469
470 == **Delta DVP Ethernet** ==
471
472 [[download link>>https://ftp.we-con.com.cn/Download/WIKI/V-BOX/Demo/%E9%80%9A%E8%AE%AF%E6%A1%88%E4%BE%8B/Delta%20DVP%20Ethernet.zip]]
473
474 == **Delta DVP Serial Protocol** ==
475
476 [[download link>>https://ftp.we-con.com.cn/Download/WIKI/V-BOX/Demo/%E9%80%9A%E8%AE%AF%E6%A1%88%E4%BE%8B/Delta%20DVP%20Ethernet.zip]]
477
478 == **Communicate with Mitsubishi FX Series** ==
479
480 [[download link>>url:https://ftp.we-con.com.cn/Download/WIKI/V-BOX/Demo/%E9%80%9A%E8%AE%AF%E6%A1%88%E4%BE%8B/Communicate%20with%20Mitsubishi%20FX%20Series.zip]]
481
482 == **Communicate with VB inverter** ==
483
484 [[download link>>url:https://ftp.we-con.com.cn/Download/WIKI/V-BOX/Demo/%E9%80%9A%E8%AE%AF%E6%A1%88%E4%BE%8B/Communicate%20with%20VB%20inverter.zip]]
485
486 == **Omron CP1 Series** ==
487
488 [[download link>>https://ftp.we-con.com.cn/Download/WIKI/V-BOX/Demo/%E9%80%9A%E8%AE%AF%E6%A1%88%E4%BE%8B/Communication%20with%20ORMON%20CP1%20Series.zip]]
489
490 == **Omron CJ2M** ==
491
492 [[download link>>https://ftp.we-con.com.cn/Download/WIKI/V-BOX/Demo/%E9%80%9A%E8%AE%AF%E6%A1%88%E4%BE%8B/Communication%20with%20ORMON%20CJ2M.zip]]
493
494 = **2 User define protocol** =
495
496 More serial port script instruction,please refer manual:[[Lua script function>>doc:V-BOX.V-Net.Manual.04 Lua Script.01 Lua Functions.WebHome]]~-~-->[[3.Serial port operation>>url:http://docs.we-con.com.cn/wiki/vbox/view/HMI/04.Lua%20script%20%20function%20and%20operation/01.Lua%20script%20function/#H3.Serialportoperation]]
497
498 == **Read the temperature sensor.** ==
499
500 the commond format is as beliow:
501
502 Send commond:01 03 02 00 00 03 04 73
503
504 Feedback commond:01 03 06 07 F7 0E 7E B7 35
505
506 Temperature data:07 F7,desimal = 2039,it means temperature is 20.39℃.
507
508 Humidity data:0E 7E,desimal = 3710, it mean humidity is 37.10%RH.
509
510 Script Demo:
511
512 ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--
513
514 function com.main()
515 ~-~-dosomething
516 openPlc()
517 end
518 function openPlc()
519 if obj then
520 ~-~- If the serial port opened,then read/write data by timing
521
522 local wri = string.pack(">HHHH",0X0103,0X0200,0X0003,0X0473)
523 local arr = reading(wri)
524 ~-~- if arr ~~=nil then
525 ~-~- if arr[1] ==33 and arr[2] ==v[2][2] and arr[3] ==v[2][3] then
526 ~-~- local A = arr[4]*256
527 ~-~- local B = A+arr[5]
528 ~-~- addr_setword(v[1],B)
529 ~-~- end
530 ~-~- end
531
532 else
533 ~-~-judge if there is a serial object, then initialize and open the serial port
534 local configs = {
535 name = 'COM1', ~-~-Select serial port COM1
536 mode = 485, ~-~-Communication mode RS485
537 baud_rate = 9600, ~-~-Baud rate 9600
538 stop_bit = 1, ~-~-stop bit 1
539 data_len = 8, ~-~-data length 8
540 check_bit = 'NONE', ~-~-no parity
541
542 }
543 obj,err = serial.open(configs) ~-~-Open serial port
544 if not obj then
545 print("serial open :failed", err) ~-~- Open serial port failed
546 end
547 end
548 end
549
550 function reading(wri)
551 obj:flush() ~-~- Clear serial port
552 obj:write(wri) ~-~- Write serial port
553 print(string.byte(wri,1,#wri))
554 obj:flush() ~-~- Clear serial port 
555 local readed =obj:read(9,1000) ~-~- Read 9 bytes, timeout 1 second
556 if readed and readed ~~= "" then 
557 ~-~- judge that a non-empty string is read
558 print(string.byte(readed,1,#readed))
559 a={string.byte(readed, 1, #readed)}
560 if nil ~~= a[4] and nil ~~= a[5] and nil ~~= a[6] and nil ~~= a[7] then
561 a1=a[4]*256+a[5]
562 a2=a[6]*256+a[7]
563 addr_setword("@HDW0",a1)
564 addr_setword("@HDW1",a2)
565 end
566 return {string.byte(readed, 1, #readed)}
567 elseif readed == nil then
568 print("serial read err:", err or "")
569 return nil
570 end
571 return nil
572 end
573
574 ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-