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Wiki source code of 1 Communication

Version 13.1 by Ben on 2022/07/14 14:37
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Leo Wei 1.1 1 = **1 General communication with PLC** =
2
Stone Wu 10.1 3 == **Modbus RTU** ==
Leo Wei 1.1 4
Stone Wu 10.1 5 === **V-BOX as master** ===
Leo Wei 1.1 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" %)
Jim 6.1 12 [[image:1624342015914-382.png||height="486" width="800" class="img-thumbnail"]]
Leo Wei 1.1 13
Stone Wu 10.1 14 === **V-BOX as slave** ===
Leo Wei 1.1 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" %)
Jim 6.1 21 [[image:1624348709622-711.png||queryString="width=809&height=493" height="488" width="800" class="img-thumbnail"]]
Leo Wei 1.1 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
Stone Wu 10.1 50 == **WECON LX3V PLC** ==
Leo Wei 1.1 51
52 Select the protocol (% class="mark" %)"WECON LX3V"
53
54 (% class="mark" %)then set BaudRate,Port,Stop Bit,Data Bit,Parity same with PLC.
55
56 (% class="mark" %)WECON PLC RS422 port,default communication parameters is 9600,1,7,ZEVEN
57
58 (% style="text-align:center" %)
Jim 6.1 59 [[image:1624348978863-771.png||queryString="width=812&height=494" height="487" width="800" class="img-thumbnail"]]
Leo Wei 1.1 60
Ben 12.1 61 == **2 Communication with Allen-Bradley CompactLogix L1769** ==
Ben 11.1 62
63 === **Overview** ===
64
65 (((
66 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.
67 )))
68
69 (((
70
71 )))
72
73 (((
Ben 12.1 74 == **Software configuration of PLC** ==
Ben 11.1 75
Ben 12.1 76 === **PLC programming software** ===
Ben 11.1 77
78 [[image:image-20220714113935-3.png]]
79
Ben 12.1 80 === **New PLC project** ===
Ben 11.1 81
82 (((
83 Click New Project and select the PLC model.
84 )))
85
86 (((
87 [[image:image-20220714114247-4.png]]
88 )))
89
90 (((
91 [[image:image-20220714114257-5.png]]
92 )))
93
94 (((
95
96 )))
97
98 (((
Ben 12.1 99 === **Set Ethernet parameters** ===
Ben 11.1 100
101 (((
102 Follow the steps below to configure Ethernet parameters
103 )))
104
105 (((
106 PLC IP address：192.168.40.101
107 )))
108
109 (((
110 default gateway：192.168.40.1
111 )))
112
113 (((
114 subnet mask：255.255.255.0
115 )))
116
117 (((
118 [[image:image-20220714115012-6.png]]
119 )))
120
121 (((
122
123 )))
124
125 (((
Ben 12.1 126 == **V-box software configuration** ==
Ben 11.1 127
Ben 12.1 128 === **V-box programming software** ===
Ben 11.1 129
130 [[image:image-20220714115214-7.png]]
131
132
Ben 12.1 133 === **Configure device network** ===
Ben 11.1 134
135 (((
136 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.
137 )))
138
139 (((
140 In the example below, the IP address of V-Box is configured as 192.168.40.66, and the networking method is 4G connection.
141 )))
142
143 [[image:image-20220714115440-9.png||height="425" width="791"]]
144 )))
145 )))
146
Ben 12.1 147 == **V-net add device** ==
Ben 11.1 148 )))
149
150 (((
151 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. 
152 )))
153
154 (((
155 [[image:image-20220714115640-10.png||height="430" width="797"]]
156 )))
157
158 (((
159
160 )))
161
162 (((
Ben 12.1 163 === **Set communication port parameters** ===
Ben 11.1 164
165 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.
166
167 [[image:image-20220714115848-11.png||height="432" width="802"]]
168 )))
169
170
171 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.
172
173
174
Stone Wu 10.1 175 == **Siemens S7-1200** ==
Leo Wei 1.1 176
177 [[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]]
178
Stone Wu 10.1 179 == **Allen-Bradley Ethernet DF1** ==
Leo Wei 1.1 180
181 [[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]]
182
Stone Wu 10.1 183 == **Communication with S7-200 Smart** ==
Leo Wei 1.1 184
185 [[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]]
186
Stone Wu 10.1 187 == **Delta DVP Ethernet** ==
Leo Wei 1.1 188
189 [[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]]
190
Stone Wu 10.1 191 == **Delta DVP Serial Protocol** ==
Leo Wei 1.1 192
193 [[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]]
194
Stone Wu 10.1 195 == **Communicate with Mitsubishi FX Series** ==
Jim 6.1 196
197 [[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]]
198
Stone Wu 10.1 199 == **Communicate with VB inverter** ==
Jim 6.1 200
201 [[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]]
202
Stone Wu 10.1 203 == **Omron CP1 Series** ==
Jim 7.1 204
Jim 8.1 205 [[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]]
Jim 7.1 206
Stone Wu 10.1 207 == **Omron CJ2M** ==
Jim 7.1 208
Jim 8.1 209 [[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]]
Jim 7.1 210
Leo Wei 1.1 211 = **2 User define protocol** =
212
Leo 4.1 213 More serial port script instruction,please refer manual:[[Lua script function>>doc:V-BOX.V-Net.1\.User 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]]
Leo Wei 1.1 214
Stone Wu 10.1 215 == **Read the temperature sensor.** ==
Leo Wei 1.1 216
217 the commond format is as beliow:
218
219 Send commond:01 03 02 00 00 03 04 73
220
221 Feedback commond:01 03 06 07 F7 0E 7E B7 35
222
223 Temperature data:07 F7,desimal = 2039,it means temperature is 20.39℃.
224
225 Humidity data:0E 7E,desimal = 3710, it mean humidity is 37.10%RH.
226
227 Script Demo:
228
229 ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--
230
231 function com.main()
232 ~-~-dosomething
233 openPlc()
234 end
235 function openPlc()
236 if obj then
237 ~-~- If the serial port opened,then read/write data by timing
238
239 local wri = string.pack(">HHHH",0X0103,0X0200,0X0003,0X0473)
240 local arr = reading(wri)
241 ~-~- if arr ~~=nil then
242 ~-~- if arr[1] ==33 and arr[2] ==v[2][2] and arr[3] ==v[2][3] then
243 ~-~- local A = arr[4]*256
244 ~-~- local B = A+arr[5]
245 ~-~- addr_setword(v[1],B)
246 ~-~- end
247 ~-~- end
248
249 else
250 ~-~-judge if there is a serial object, then initialize and open the serial port
251 local configs = {
252 name = 'COM1', ~-~-Select serial port COM1
253 mode = 485, ~-~-Communication mode RS485
254 baud_rate = 9600, ~-~-Baud rate 9600
255 stop_bit = 1, ~-~-stop bit 1
256 data_len = 8, ~-~-data length 8
257 check_bit = 'NONE', ~-~-no parity
258
259 }
260 obj,err = serial.open(configs) ~-~-Open serial port
261 if not obj then
262 print("serial open :failed", err) ~-~- Open serial port failed
263 end
264 end
265 end
266
267 function reading(wri)
268 obj:flush() ~-~- Clear serial port
269 obj:write(wri) ~-~- Write serial port
270 print(string.byte(wri,1,#wri))
271 obj:flush() ~-~- Clear serial port 
272 local readed =obj:read(9,1000) ~-~- Read 9 bytes, timeout 1 second
273 if readed and readed ~~= "" then 
274 ~-~- judge that a non-empty string is read
275 print(string.byte(readed,1,#readed))
276 a={string.byte(readed, 1, #readed)}
277 if nil ~~= a[4] and nil ~~= a[5] and nil ~~= a[6] and nil ~~= a[7] then
278 a1=a[4]*256+a[5]
279 a2=a[6]*256+a[7]
280 addr_setword("@HDW0",a1)
281 addr_setword("@HDW1",a2)
282 end
283 return {string.byte(readed, 1, #readed)}
284 elseif readed == nil then
285 print("serial read err:", err or "")
286 return nil
287 end
288 return nil
289 end
290
291 ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-