4/6/2023 0 Comments Modbus in php cs programming![]() In Channel Properties, select ModbusServer, and link protocol Serial (master - slave, Modbus RTU server over a RS485/RS232 serial line) or TCP (client - server, for Modbus TCP server setup). PLC2 has a channel created, and a Generic device that reads a Modbus value from Register 1.Īt the server PLC ( PLC) add a server channel: right-click PLC and Add server channel. PLC2 represents the 3rd party PLC (client PLC) which reads data over Modbus. In the example, two mark320 controllers will be connected over their COM4 ports where they will communicate over Modbus RTU, using Modbus address of 1, and register 1 to share data. Both, Modbus RTU and Modbus TCP, can be used for Modbus server. ![]() Modbus server provides data to a 3rd party PLC which is not compatible with the Mervis communication protocol. ![]()
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