PLC extension module to amplify signals for the left-side communication and support uploading and downloading of PLC program and parameters
Provides two stand-alone RS-485/RS-422 ports
Supports standard MODBUS protocol
Supports user-defined communication protocol
Fully isolates communication interfaces and highly capable in resisting interferences


Transmission method: RS-485/RS-422
Connector type: Euro-type terminal blocks with feed-through terminals and spring plugs
Terminal resistors: built-in and changed-over by switches
Serial baudrates: 1,200?2,400?4,800?9,600?19,200?38,400?57,600?115,200?230,400?460,800 bps
Data type: Modbus ASCII/RTU?UD Link (user-defined communication protocol)