1 Communication

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.

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**Software configuration of PLC**

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**1）PLC programming software**

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[[image:image-20220822172553-1.png]]

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**2）New PLC project**

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Click New Project and select the PLC model.

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[[image:image-20220822172623-2.png]]

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**3）Set Serial port parameters**

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Follow the steps below to configure Serial port parameters

Baud rate：115200

Data bit：8

Stop bit：1

Parity：No verification

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[[image:image-20220822172657-3.png]]

**4）Registers list**

[[image:image-20220822172730-4.png]]

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**V-BOX software configuration**

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**1）V-BOX programming software**

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[[image:image-20220824104124-1.png]]

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**2）V-NET add device**

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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.

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[[image:image-20220824104909-2.png]]

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**3）Set communication port parameters**

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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.

Baud rate：115200

Data bit：8

Stop bit：1

Parity：No verification

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[[image:image-20220811104012-1.png]]

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**hardware connection**

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**1）Hardware wiring diagram**

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This example introduces WeconHMI with LX5V PLC to establish communication through serial port. The connection diagram is as follows:

[[image:image-20220811103005-4.png]]

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[[image:image-20220811103227-7.png]]

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The above are all the steps for establishing serial port communication between Wecon HMI with LX5V PLC.

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== **LX5V-N Ethernet protocol** ==

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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.

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**Software configuration of PLC**

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**1）PLC programming software**

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[[image:image-20220810164710-1.png]]

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**2）New PLC project**

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Click New Project and select the PLC model.

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[[image:image-20220811115454-1.png]]

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**3）Set Ethernet port parameters**

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Follow the steps below to configure Ethernet parameters

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PLC IP address：192.168.39.200

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default gateway：192.168.39.1

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subnet mask：255.255.255.0

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[[image:image-20220811140530-2.png]]

**4）Registers list**

[[image:image-20220811102219-3.png]]

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**HMI software configuration**

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**1）HMI programming software**

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[[image:image-20220810171237-4.png]]

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**2）New HMI project**

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Click New Project and select the HMI model.

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[[image:image-20220810172010-5.png]]

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**3）Set communication port parameters**

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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.

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HMI IP address：192.168.39.201

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default gateway：192.168.39.1

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subnet mask：255.255.255.0

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[[image:image-20220811170753-2.png]]

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Next, click Communication Settings to configure the IP of the HMI communication object.

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[[image:image-20220811163047-1.png]]

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**hardware connection**

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**1）Hardware wiring diagram**

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This example introduces WeconHMI with LX5V-N PLC to establish communication through ethernet. The connection diagram is as follows:

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[[image:image-20220811170248-1.png]]

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The above are all the steps for establishing ethernet communication between Wecon HMI with LX5V PLC.

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(% style="text-align:center" %)

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[[image:1624348978863-771.png||queryString="width=812&height=494" height="487" width="800" class="img-thumbnail"]]

= **Rockwell PLC** =

== (% id="cke_bm_5621S" style="display:none" %)** **(%%)**MicroLogix Protocol** ==

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MicroLogix 1000/1100/1200/1400/1500; SLC 5/03 5/04 5/05 PLC-5

**HMI Settings**

|**Item**|**Settings**|**Note**

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|Protocol|Allen-Bradlley MicroLogix|

|Connection|RS232|

|Baud rate|19200|

|Data bit|8|

|Parity|None|

|Stop bit|1|

|PLC station No.|1|

**Address List**

|(% rowspan="5" %)Bit|I|I d.d|0.0~~255.15|

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|O|O d.d|0.0~~255.15|

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|B|B nnhh.dd|0.0~~ffff.15|nn: block number (hex)

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|S|S d.d|0.0~~255.15|

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|N|N nnhh.dd|0.0~~ffff.15|nn: block number (hex)

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|(% rowspan="9" %)Word|S|S d|0~~255|

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|TS|TS nnhh|0~~ffff|(% rowspan="8" %)nn: block number (hex)

|TP|TP nnhh|0~~ffff

|CS|CS nnhh|0~~ffff

|CP|CP nnhh|0~~ffff

|N|N nnhh|0~~ffff

|C|C nnhh|0~~ffff

|T|T nnhh|0~~ffff

|R|R nnhh|0~~ffff

**Cable Wiring**

[[image:image-20220824110724-1.png]]

== **CompactLogix Protocol** ==

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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.

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(% class="wikigeneratedid" id="HSoftwareconfigurationofPLC" %)

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**Software configuration of PLC**

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(% class="wikigeneratedid" id="HPLCprogrammingsoftware" %)

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**1）PLC programming software**

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[[image:image-20220714162600-1.png]]

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(% class="wikigeneratedid" id="HNewPLCproject" %)

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**2）New PLC project**

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Click New Project and select the PLC model.

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[[image:image-20220714162617-2.png]]

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[[image:image-20220714162652-4.png]]

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(% class="wikigeneratedid" id="HSetEthernetparameters" %)

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**3）Set Ethernet parameters**

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Follow the steps below to configure Ethernet parameters

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PLC IP address：192.168.40.101

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default gateway：192.168.40.1

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subnet mask：255.255.255.0

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[[image:image-20220714162713-5.png]]

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(% class="wikigeneratedid" id="HV-boxsoftwareconfiguration" %)

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**V-box software configuration**

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(% class="wikigeneratedid" id="HV-boxprogrammingsoftware" %)

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**1）V-box programming software**

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(% class="wikigeneratedid" %)

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[[image:image-20220714162725-6.png]]

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(% class="wikigeneratedid" id="HConfiguredevicenetwork" %)

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**2）Configure device network**

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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.

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In the example below, the IP address of V-Box is configured as 192.168.40.66, and the networking method is 4G connection

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[[image:image-20220714162737-7.png]]

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(% class="wikigeneratedid" id="HV-netadddevice" %)

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**3）V-net add device**

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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]]

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(% class="wikigeneratedid" id="HSetcommunicationportparameters" %)

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**4）Set communication port parameters**

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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.

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[[image:image-20220714162805-9.png]]

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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.

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[[image:image-20220714162814-10.png]]

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After adding the protocol Allen-BradleyMicro850_FreeTag, click[[image:image-20220714143838-2.png]]icon add label.[[image:image-20220714162827-11.png]]

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(% class="wikigeneratedid" id="HEngineeringproduction" %)

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**5）Engineering production**

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(% class="wikigeneratedid" %)

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According to your own needs, use the V-NET client software to edit the required data monitoring points.

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[[image:image-20220714162841-12.png]]

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**hardware connection**

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**1）Hardware wiring diagram**

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This example introduces Wecon V-box with Allen-Bradley L1769 PLC to establish communication through Ethernet. The connection diagram is as follows:

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[[image:image-20220714162856-13.png]]

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The above are all the steps for establishing Ethernet communication between Wecon V-box with CompactLogix L1769 PLC.

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== **Allen-Bradley Ethernet DF1** ==

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[[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]]

= **Siemens PLC** =

== **S7-200 Smart Ethernet Protocol** ==

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[[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]]

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== **S7-1200 Ethernet Protocol** ==

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[[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]]

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= **Mitsubishi PLC** =

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== **Mitsubishi FX Series Protocol** ==

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[[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]]

= **Delta PLC** =

== **DVP Ethernet Protocol** ==

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[[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]]

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== **DVP Serial Protocol** ==

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[[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]]

= **Omron PLC** =

== **CP1 Series Protocol** ==

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[[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]]

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== **CJ2M Series Protocol** ==

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[[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]]

= **Modbus RTU** =

== **V-BOX as master** ==

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Select the protocol “(% class="mark" %)Modbus RTU Slave(All Fuction)”,

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(% class="mark" %)then set BaudRate,Port,Stop Bit,Data Bit,Parity

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(% style="text-align:center" %)

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[[image:1624342015914-382.png||height="486" width="800" class="img-thumbnail"]]

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== **V-BOX as slave** ==

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Select the protocol “(% class="mark" %)**Modbus RTU Master”**,

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(% class="mark" %)then set BaudRate,Port,Stop Bit,Data Bit,Parity

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(% style="text-align:center" %)

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[[image:1624348709622-711.png||queryString="width=809&height=493" height="488" width="800" class="img-thumbnail"]]

**Address List**

(% class="table-bordered" %)

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|**Type**|**Register**|**Function code & Description**

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|(% rowspan="11" %)Word|(% rowspan="3" %)3|04 (read input register: read current binary value in one or more input registers)

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|06 (write single register: write a binary value to a holding register)

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|10 (write values to multiple addresses )

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|(% rowspan="3" %)4|03 (read holding register: read current binary value in one or more holding registers)

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|06 (write single register: write a binary value to a holding register)

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|10 (write values to multiple addresses )

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|(% rowspan="3" %)W6|03 (read holding register: read current binary value in one or more holding registers)

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|06 (write single register: write a binary value to a holding register)

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|10 (write values to multiple addresses )

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|(% rowspan="2" %)W16|03 (read holding register: read current binary value in one or more holding registers)

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|10 (write values to multiple addresses )

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|(% rowspan="11" %)Bit|(% rowspan="3" %)0|01 (Read coil state)

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|05 (Force a single coil to force the on/off state of a logic coil)

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|0F (Write multiple bits, ie write continuously)

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|(% rowspan="3" %)1|02 (Read the input state)

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|05 (Force a single coil to force the on/off state of a logic coil)

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|0F (Write multiple bits)

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|(% rowspan="3" %)W5|01 (Read coil state to obtain the current state of a set of logic coils)

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|05 (Force a single coil to force the on/off state of a logic coil)

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|0F (Write multiple bits)

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|(% rowspan="2" %)W15|01 (Read coil state to obtain the current state of a set of logic coils)

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|0F (Write multiple bits)

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== **communicate with VB inverter** ==

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[[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]]

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= **User define protocol** =

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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]]

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== **Read the temperature sensor.** ==

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the commond format is as beliow:

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Send commond:01 03 02 00 00 03 04 73

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Feedback commond:01 03 06 07 F7 0E 7E B7 35

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Temperature data:07 F7,desimal = 2039,it means temperature is 20.39℃.

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Humidity data:0E 7E,desimal = 3710, it mean humidity is 37.10%RH.

Script Demo:

~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--

function com.main()

~-~-dosomething

openPlc()

end

function openPlc()

if obj then

~-~- If the serial port opened,then read/write data by timing

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local wri = string.pack(">HHHH",0X0103,0X0200,0X0003,0X0473)

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local arr = reading(wri)

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~-~- if arr ~~=nil then

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~-~- if arr[1] ==33 and arr[2] ==v[2][2] and arr[3] ==v[2][3] then

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~-~- local A = arr[4]*256

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~-~- local B = A+arr[5]

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~-~- addr_setword(v[1],B)

~-~- end

~-~- end

else

~-~-judge if there is a serial object, then initialize and open the serial port

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local configs = {

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name = 'COM1', ~-~-Select serial port COM1

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mode = 485, ~-~-Communication mode RS485

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baud_rate = 9600, ~-~-Baud rate 9600

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stop_bit = 1, ~-~-stop bit 1

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data_len = 8, ~-~-data length 8

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check_bit = 'NONE', ~-~-no parity

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}

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obj,err = serial.open(configs) ~-~-Open serial port

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if not obj then

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print("serial open :failed", err) ~-~- Open serial port failed

end

end

end

function reading(wri)

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obj:flush() ~-~- Clear serial port

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obj:write(wri) ~-~- Write serial port

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print(string.byte(wri,1,#wri))

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obj:flush() ~-~- Clear serial port

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local readed =obj:read(9,1000) ~-~- Read 9 bytes, timeout 1 second

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if readed and readed ~~= "" then

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~-~- judge that a non-empty string is read

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print(string.byte(readed,1,#readed))

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a={string.byte(readed, 1, #readed)}

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if nil ~~= a[4] and nil ~~= a[5] and nil ~~= a[6] and nil ~~= a[7] then

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a1=a[4]*256+a[5]

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a2=a[6]*256+a[7]

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addr_setword("@HDW0",a1)

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addr_setword("@HDW1",a2)

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end

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return {string.byte(readed, 1, #readed)}

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elseif readed == nil then

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print("serial read err:", err or "")

return nil

end

return nil

end

~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-

Wiki source code of 1 Communication