Wiki source code of 1 Communication
Version 75.1 by Ben on 2022/08/24 15:13
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author | version | line-number | content |
---|---|---|---|
1 | = (% style="color:inherit; font-family:inherit" %)**WECON PLC**(%%) = | ||
2 | |||
3 | == **LX3V Serial Protocol** == | ||
4 | |||
5 | Supported series: WECON LX2V/ LX2E/ LX3V/LX3VP/LX3VE/LX3VM | ||
6 | |||
7 | **HMI Settings** | ||
8 | |||
9 | |**Item**|**Settings**|**Note** | ||
10 | |Protocol|WECON LX2V/ LX2E/ LX3V/LX3VP/LX3VE/LX3VM| | ||
11 | |Connection|RS422/RS485| | ||
12 | |Baud rate|9600| | ||
13 | |Data bit|7| | ||
14 | |Parity|EVEN| | ||
15 | |Stop bit|1| | ||
16 | |PLC station No.|1| | ||
17 | |||
18 | **Address List** | ||
19 | |||
20 | |**Type**|**Device registers**|**HMI registers**|**Format**|**Range**|**Note** | ||
21 | |(% rowspan="6" %)Bit|X|X|Xo|0~~303237| | ||
22 | |Y|Y|Y o|0~~303237| | ||
23 | |M|M|M d|0~~99999| | ||
24 | |T|T|T d|0~~99999| | ||
25 | |C|C|C d|0~~99999| | ||
26 | |S|S|S d|0~~99999| | ||
27 | |(% rowspan="8" %)Word|X|X|Xo|0~~303237| | ||
28 | |Y|Y|Y o|0~~303237| | ||
29 | |M|M|M d|0~~99999| | ||
30 | |T|T|T d|0~~99999| | ||
31 | |C|C|C d|0~~199| | ||
32 | |D|D|D d|0~~7999| | ||
33 | |S|S|S d|0~~99999| | ||
34 | |SD|SD|SD d|8000~~9999| | ||
35 | |||
36 | **Cable Wiring** | ||
37 | |||
38 | * **RS422** | ||
39 | |||
40 | [[image:image-20220824120614-5.png]] | ||
41 | |||
42 | * **RS485** | ||
43 | |||
44 | [[image:image-20220824120524-3.png]] | ||
45 | |||
46 | == **LX5V Serial Protocol** == | ||
47 | |||
48 | This example introduces the establishment of serial port communication between Wecon V-BOX and LX5V. It is introduced through three parts: PLC software configuration, HMI software configuration, and hardware wiring. | ||
49 | |||
50 | **Software configuration of PLC** | ||
51 | |||
52 | **1)PLC programming software** | ||
53 | |||
54 | [[image:image-20220824142722-1.png]] | ||
55 | |||
56 | **2)New PLC project** | ||
57 | |||
58 | Click New Project and select the PLC model. | ||
59 | |||
60 | [[image:image-20220822172623-2.png]] | ||
61 | |||
62 | **3)Set Serial port parameters** | ||
63 | |||
64 | Follow the steps below to configure Serial port parameters | ||
65 | |||
66 | Baud rate:115200 | ||
67 | |||
68 | Data bit:8 | ||
69 | |||
70 | Stop bit:1 | ||
71 | |||
72 | Parity:No verification | ||
73 | |||
74 | [[image:image-20220822172657-3.png]] | ||
75 | |||
76 | **4)Registers list** | ||
77 | |||
78 | [[image:image-20220822172730-4.png]] | ||
79 | |||
80 | **V-BOX software configuration** | ||
81 | |||
82 | **1)V-BOX programming software** | ||
83 | |||
84 | [[image:image-20220824104124-1.png]] | ||
85 | |||
86 | **2)V-NET add device** | ||
87 | |||
88 | Open V-NET 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 access key, password and remark, to add the device. | ||
89 | |||
90 | [[image:image-20220824104909-2.png]] | ||
91 | |||
92 | |||
93 | **3)Set communication port parameters** | ||
94 | |||
95 | 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. | ||
96 | |||
97 | Baud rate:115200 | ||
98 | |||
99 | Data bit:8 | ||
100 | |||
101 | Stop bit:1 | ||
102 | |||
103 | Parity:No verification | ||
104 | |||
105 | [[image:image-20220824142130-1.png]] | ||
106 | |||
107 | **hardware connection** | ||
108 | |||
109 | **1)Hardware wiring diagram** | ||
110 | |||
111 | [[image:image-20220824142546-2.png]] | ||
112 | |||
113 | [[image:image-20220824142643-3.png]] | ||
114 | |||
115 | The above are all the steps for establishing serial port communication between V-BOX with LX5V PLC. | ||
116 | |||
117 | == **LX5V-N Ethernet protocol** == | ||
118 | |||
119 | This example introduces the establishment of Ethernet communication between Wecon HMI and LX5V-N. It is introduced through three parts: PLC software configuration, HMI software configuration, and hardware wiring. | ||
120 | |||
121 | **Software configuration of PLC** | ||
122 | |||
123 | **1)PLC programming software** | ||
124 | |||
125 | [[image:image-20220824142722-1.png]] | ||
126 | |||
127 | **2)New PLC project** | ||
128 | |||
129 | Click New Project and select the PLC model. | ||
130 | |||
131 | [[image:image-20220824143613-1.png]] | ||
132 | |||
133 | **3)Set Ethernet port parameters** | ||
134 | |||
135 | Follow the steps below to configure Ethernet parameters | ||
136 | |||
137 | PLC IP address:192.168.39.200 | ||
138 | |||
139 | default gateway:192.168.39.1 | ||
140 | |||
141 | subnet mask:255.255.255.0 | ||
142 | |||
143 | [[image:image-20220824143744-2.png]] | ||
144 | |||
145 | |||
146 | **4)Registers list** | ||
147 | |||
148 | [[image:image-20220822172730-4.png]] | ||
149 | |||
150 | (% id="cke_bm_22473S" style="display:none" %)** **(%%)**V-BOX software configuration** | ||
151 | |||
152 | **1)V-BOX programming software** | ||
153 | |||
154 | [[image:image-20220824104124-1.png]] | ||
155 | |||
156 | **2)V-NET add device** | ||
157 | |||
158 | Open V-NET 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 access key, password and remark, to add the device. | ||
159 | |||
160 | [[image:image-20220824104909-2.png]] | ||
161 | |||
162 | **3)Set communication port parameters** | ||
163 | |||
164 | |||
165 | Click Communication to configure the LX5V plc protocol and IP address. | ||
166 | |||
167 | [[image:image-20220824144619-1.png]] | ||
168 | |||
169 | **hardware connection** | ||
170 | |||
171 | **1)Hardware wiring diagram** | ||
172 | |||
173 | This example introduces V-BOX with LX5V-N PLC to establish communication through ethernet. The connection diagram is as follows: | ||
174 | |||
175 | [[image:image-20220824151127-2.png]] | ||
176 | |||
177 | The above are all the steps for establishing ethernet communication between V-BOX with LX5V PLC. | ||
178 | |||
179 | |||
180 | = **Rockwell PLC** = | ||
181 | |||
182 | == (% id="cke_bm_5621S" style="display:none" %)** **(%%)**MicroLogix Protocol** == | ||
183 | |||
184 | MicroLogix 1000/1100/1200/1400/1500; SLC 5/03 5/04 5/05 PLC-5 | ||
185 | |||
186 | **HMI Settings** | ||
187 | |||
188 | |**Item**|**Settings**|**Note** | ||
189 | |Protocol|Allen-Bradlley MicroLogix| | ||
190 | |Connection|RS232| | ||
191 | |Baud rate|19200| | ||
192 | |Data bit|8| | ||
193 | |Parity|None| | ||
194 | |Stop bit|1| | ||
195 | |PLC station No.|1| | ||
196 | |||
197 | **Address List** | ||
198 | |||
199 | |**Type**|**Device registers**|**Format**|**Range**|**Note** | ||
200 | |(% rowspan="5" %)Bit|I|I d.d|0.0~~255.15| | ||
201 | |O|O d.d|0.0~~255.15| | ||
202 | |B|B nnhh.dd|0.0~~ffff.15|nn: block number (hex) | ||
203 | |S|S d.d|0.0~~255.15| | ||
204 | |N|N nnhh.dd|0.0~~ffff.15|nn: block number (hex) | ||
205 | |(% rowspan="9" %)Word|S|S d|0~~255| | ||
206 | |TS|TS nnhh|0~~ffff|(% rowspan="8" %)nn: block number (hex) | ||
207 | |TP|TP nnhh|0~~ffff | ||
208 | |CS|CS nnhh|0~~ffff | ||
209 | |CP|CP nnhh|0~~ffff | ||
210 | |N|N nnhh|0~~ffff | ||
211 | |C|C nnhh|0~~ffff | ||
212 | |T|T nnhh|0~~ffff | ||
213 | |R|R nnhh|0~~ffff | ||
214 | |||
215 | **Cable Wiring** | ||
216 | |||
217 | [[image:image-20220824110724-1.png]] | ||
218 | |||
219 | |||
220 | |||
221 | == **CompactLogix Protocol** == | ||
222 | |||
223 | ((( | ||
224 | ((( | ||
225 | This example introduces the establishment of Ethernet communication between Wecon V-box and CompactLogix L1769. It is introduced through three parts: PLC software configuration, V-box software configuration, and hardware wiring. | ||
226 | ))) | ||
227 | ))) | ||
228 | |||
229 | ((( | ||
230 | (% class="wikigeneratedid" id="HSoftwareconfigurationofPLC" %) | ||
231 | ((( | ||
232 | **Software configuration of PLC** | ||
233 | ))) | ||
234 | |||
235 | (% class="wikigeneratedid" id="HPLCprogrammingsoftware" %) | ||
236 | ((( | ||
237 | **1)PLC programming software** | ||
238 | ))) | ||
239 | |||
240 | [[image:image-20220714162600-1.png]] | ||
241 | |||
242 | (% class="wikigeneratedid" id="HNewPLCproject" %) | ||
243 | ((( | ||
244 | **2)New PLC project** | ||
245 | ))) | ||
246 | |||
247 | ((( | ||
248 | ((( | ||
249 | Click New Project and select the PLC model. | ||
250 | ))) | ||
251 | ))) | ||
252 | |||
253 | ((( | ||
254 | [[image:image-20220714162617-2.png]] | ||
255 | ))) | ||
256 | |||
257 | ((( | ||
258 | |||
259 | |||
260 | [[image:image-20220714162652-4.png]] | ||
261 | ))) | ||
262 | |||
263 | ((( | ||
264 | (% class="wikigeneratedid" id="HSetEthernetparameters" %) | ||
265 | ((( | ||
266 | **3)Set Ethernet parameters** | ||
267 | ))) | ||
268 | |||
269 | ((( | ||
270 | ((( | ||
271 | ((( | ||
272 | Follow the steps below to configure Ethernet parameters | ||
273 | ))) | ||
274 | ))) | ||
275 | ))) | ||
276 | |||
277 | ((( | ||
278 | ((( | ||
279 | ((( | ||
280 | PLC IP address:192.168.40.101 | ||
281 | ))) | ||
282 | ))) | ||
283 | ))) | ||
284 | |||
285 | ((( | ||
286 | ((( | ||
287 | ((( | ||
288 | default gateway:192.168.40.1 | ||
289 | ))) | ||
290 | ))) | ||
291 | ))) | ||
292 | |||
293 | ((( | ||
294 | ((( | ||
295 | ((( | ||
296 | subnet mask:255.255.255.0 | ||
297 | ))) | ||
298 | ))) | ||
299 | ))) | ||
300 | |||
301 | ((( | ||
302 | [[image:image-20220714162713-5.png]] | ||
303 | ))) | ||
304 | |||
305 | ((( | ||
306 | |||
307 | ))) | ||
308 | |||
309 | ((( | ||
310 | (% class="wikigeneratedid" id="HV-boxsoftwareconfiguration" %) | ||
311 | ((( | ||
312 | **V-box software configuration** | ||
313 | ))) | ||
314 | |||
315 | (% class="wikigeneratedid" id="HV-boxprogrammingsoftware" %) | ||
316 | ((( | ||
317 | **1)V-box programming software** | ||
318 | ))) | ||
319 | |||
320 | (% class="wikigeneratedid" %) | ||
321 | ((( | ||
322 | [[image:image-20220714162725-6.png]] | ||
323 | ))) | ||
324 | |||
325 | (% class="wikigeneratedid" id="HConfiguredevicenetwork" %) | ||
326 | ((( | ||
327 | **2)Configure device network** | ||
328 | ))) | ||
329 | |||
330 | ((( | ||
331 | ((( | ||
332 | ((( | ||
333 | 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. | ||
334 | ))) | ||
335 | |||
336 | ((( | ||
337 | In the example below, the IP address of V-Box is configured as 192.168.40.66, and the networking method is 4G connection | ||
338 | ))) | ||
339 | ))) | ||
340 | ))) | ||
341 | |||
342 | ((( | ||
343 | ((( | ||
344 | [[image:image-20220714162737-7.png]] | ||
345 | |||
346 | |||
347 | ))) | ||
348 | ))) | ||
349 | ))) | ||
350 | ))) | ||
351 | |||
352 | (% class="wikigeneratedid" id="HV-netadddevice" %) | ||
353 | ((( | ||
354 | **3)V-net add device** | ||
355 | ))) | ||
356 | ))) | ||
357 | |||
358 | ((( | ||
359 | ((( | ||
360 | 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]] | ||
361 | ))) | ||
362 | |||
363 | |||
364 | ))) | ||
365 | |||
366 | ((( | ||
367 | (% class="wikigeneratedid" id="HSetcommunicationportparameters" %) | ||
368 | ((( | ||
369 | **4)Set communication port parameters** | ||
370 | ))) | ||
371 | |||
372 | ((( | ||
373 | 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. | ||
374 | ))) | ||
375 | |||
376 | [[image:image-20220714162805-9.png]] | ||
377 | ))) | ||
378 | |||
379 | ((( | ||
380 | 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. | ||
381 | ))) | ||
382 | |||
383 | [[image:image-20220714162814-10.png]] | ||
384 | |||
385 | |||
386 | ((( | ||
387 | After adding the protocol Allen-BradleyMicro850_FreeTag, click[[image:image-20220714143838-2.png]]icon add label.[[image:image-20220714162827-11.png]] | ||
388 | ))) | ||
389 | |||
390 | (% class="wikigeneratedid" id="HEngineeringproduction" %) | ||
391 | ((( | ||
392 | **5)Engineering production** | ||
393 | ))) | ||
394 | |||
395 | (% class="wikigeneratedid" %) | ||
396 | ((( | ||
397 | ((( | ||
398 | According to your own needs, use the V-NET client software to edit the required data monitoring points. | ||
399 | ))) | ||
400 | |||
401 | [[image:image-20220714162841-12.png]] | ||
402 | |||
403 | |||
404 | ((( | ||
405 | **hardware connection** | ||
406 | ))) | ||
407 | ))) | ||
408 | |||
409 | ((( | ||
410 | **1)Hardware wiring diagram** | ||
411 | ))) | ||
412 | |||
413 | ((( | ||
414 | ((( | ||
415 | This example introduces Wecon V-box with Allen-Bradley L1769 PLC to establish communication through Ethernet. The connection diagram is as follows: | ||
416 | ))) | ||
417 | |||
418 | [[image:image-20220714162856-13.png]] | ||
419 | |||
420 | ((( | ||
421 | The above are all the steps for establishing Ethernet communication between Wecon V-box with CompactLogix L1769 PLC. | ||
422 | |||
423 | |||
424 | == **Allen-Bradley Ethernet DF1** == | ||
425 | |||
426 | [[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]] | ||
427 | |||
428 | |||
429 | = **Siemens PLC** = | ||
430 | |||
431 | == **S7-200 Smart Ethernet Protocol** == | ||
432 | |||
433 | [[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]] | ||
434 | ))) | ||
435 | ))) | ||
436 | |||
437 | == **S7-1200 Ethernet Protocol** == | ||
438 | |||
439 | [[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]] | ||
440 | |||
441 | = **Mitsubishi PLC** = | ||
442 | |||
443 | == **Mitsubishi FX Series Protocol** == | ||
444 | |||
445 | [[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]] | ||
446 | |||
447 | = **Delta PLC** = | ||
448 | |||
449 | == **DVP Ethernet Protocol** == | ||
450 | |||
451 | [[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]] | ||
452 | |||
453 | == **DVP Serial Protocol** == | ||
454 | |||
455 | [[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]] | ||
456 | |||
457 | = **Omron PLC** = | ||
458 | |||
459 | == **CP1 Series Protocol** == | ||
460 | |||
461 | [[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]] | ||
462 | |||
463 | == **CJ2M Series Protocol** == | ||
464 | |||
465 | [[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]] | ||
466 | |||
467 | = **Modbus RTU** = | ||
468 | |||
469 | == **V-BOX as master** == | ||
470 | |||
471 | Select the protocol “(% class="mark" %)Modbus RTU Slave(All Fuction)”, | ||
472 | |||
473 | (% class="mark" %)then set BaudRate,Port,Stop Bit,Data Bit,Parity | ||
474 | |||
475 | (% style="text-align:center" %) | ||
476 | [[image:1624342015914-382.png||height="486" width="800" class="img-thumbnail"]] | ||
477 | |||
478 | == **V-BOX as slave** == | ||
479 | |||
480 | Select the protocol “(% class="mark" %)**Modbus RTU Master”**, | ||
481 | |||
482 | (% class="mark" %)then set BaudRate,Port,Stop Bit,Data Bit,Parity | ||
483 | |||
484 | (% style="text-align:center" %) | ||
485 | [[image:1624348709622-711.png||queryString="width=809&height=493" height="488" width="800" class="img-thumbnail"]] | ||
486 | |||
487 | **Address List** | ||
488 | |||
489 | (% class="table-bordered" %) | ||
490 | |**Type**|**Register**|**Function code & Description** | ||
491 | |(% rowspan="11" %)Word|(% rowspan="3" %)3|04 (read input register: read current binary value in one or more input registers) | ||
492 | |06 (write single register: write a binary value to a holding register) | ||
493 | |10 (write values to multiple addresses ) | ||
494 | |(% rowspan="3" %)4|03 (read holding register: read current binary value in one or more holding registers) | ||
495 | |06 (write single register: write a binary value to a holding register) | ||
496 | |10 (write values to multiple addresses ) | ||
497 | |(% rowspan="3" %)W6|03 (read holding register: read current binary value in one or more holding registers) | ||
498 | |06 (write single register: write a binary value to a holding register) | ||
499 | |10 (write values to multiple addresses ) | ||
500 | |(% rowspan="2" %)W16|03 (read holding register: read current binary value in one or more holding registers) | ||
501 | |10 (write values to multiple addresses ) | ||
502 | |(% rowspan="11" %)Bit|(% rowspan="3" %)0|01 (Read coil state) | ||
503 | |05 (Force a single coil to force the on/off state of a logic coil) | ||
504 | |0F (Write multiple bits, ie write continuously) | ||
505 | |(% rowspan="3" %)1|02 (Read the input state) | ||
506 | |05 (Force a single coil to force the on/off state of a logic coil) | ||
507 | |0F (Write multiple bits) | ||
508 | |(% rowspan="3" %)W5|01 (Read coil state to obtain the current state of a set of logic coils) | ||
509 | |05 (Force a single coil to force the on/off state of a logic coil) | ||
510 | |0F (Write multiple bits) | ||
511 | |(% rowspan="2" %)W15|01 (Read coil state to obtain the current state of a set of logic coils) | ||
512 | |0F (Write multiple bits) | ||
513 | |||
514 | == **communicate with VB inverter** == | ||
515 | |||
516 | [[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]] | ||
517 | |||
518 | = **User define protocol** = | ||
519 | |||
520 | 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]] | ||
521 | |||
522 | == **Read the temperature sensor.** == | ||
523 | |||
524 | the commond format is as beliow: | ||
525 | |||
526 | Send commond:01 03 02 00 00 03 04 73 | ||
527 | |||
528 | Feedback commond:01 03 06 07 F7 0E 7E B7 35 | ||
529 | |||
530 | Temperature data:07 F7,desimal = 2039,it means temperature is 20.39℃. | ||
531 | |||
532 | Humidity data:0E 7E,desimal = 3710, it mean humidity is 37.10%RH. | ||
533 | |||
534 | Script Demo: | ||
535 | |||
536 | ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-- | ||
537 | |||
538 | function com.main() | ||
539 | ~-~-dosomething | ||
540 | openPlc() | ||
541 | end | ||
542 | function openPlc() | ||
543 | if obj then | ||
544 | ~-~- If the serial port opened,then read/write data by timing | ||
545 | |||
546 | local wri = string.pack(">HHHH",0X0103,0X0200,0X0003,0X0473) | ||
547 | local arr = reading(wri) | ||
548 | ~-~- if arr ~~=nil then | ||
549 | ~-~- if arr[1] ==33 and arr[2] ==v[2][2] and arr[3] ==v[2][3] then | ||
550 | ~-~- local A = arr[4]*256 | ||
551 | ~-~- local B = A+arr[5] | ||
552 | ~-~- addr_setword(v[1],B) | ||
553 | ~-~- end | ||
554 | ~-~- end | ||
555 | |||
556 | else | ||
557 | ~-~-judge if there is a serial object, then initialize and open the serial port | ||
558 | local configs = { | ||
559 | name = 'COM1', ~-~-Select serial port COM1 | ||
560 | mode = 485, ~-~-Communication mode RS485 | ||
561 | baud_rate = 9600, ~-~-Baud rate 9600 | ||
562 | stop_bit = 1, ~-~-stop bit 1 | ||
563 | data_len = 8, ~-~-data length 8 | ||
564 | check_bit = 'NONE', ~-~-no parity | ||
565 | |||
566 | } | ||
567 | obj,err = serial.open(configs) ~-~-Open serial port | ||
568 | if not obj then | ||
569 | print("serial open :failed", err) ~-~- Open serial port failed | ||
570 | end | ||
571 | end | ||
572 | end | ||
573 | |||
574 | function reading(wri) | ||
575 | obj:flush() ~-~- Clear serial port | ||
576 | obj:write(wri) ~-~- Write serial port | ||
577 | print(string.byte(wri,1,#wri)) | ||
578 | obj:flush() ~-~- Clear serial port | ||
579 | local readed =obj:read(9,1000) ~-~- Read 9 bytes, timeout 1 second | ||
580 | if readed and readed ~~= "" then | ||
581 | ~-~- judge that a non-empty string is read | ||
582 | print(string.byte(readed,1,#readed)) | ||
583 | a={string.byte(readed, 1, #readed)} | ||
584 | if nil ~~= a[4] and nil ~~= a[5] and nil ~~= a[6] and nil ~~= a[7] then | ||
585 | a1=a[4]*256+a[5] | ||
586 | a2=a[6]*256+a[7] | ||
587 | addr_setword("@HDW0",a1) | ||
588 | addr_setword("@HDW1",a2) | ||
589 | end | ||
590 | return {string.byte(readed, 1, #readed)} | ||
591 | elseif readed == nil then | ||
592 | print("serial read err:", err or "") | ||
593 | return nil | ||
594 | end | ||
595 | return nil | ||
596 | end | ||
597 | |||
598 | ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~- |