COMLI can be used on the build in COM3 port and optionally on the CI853 ports. RS-232C is the standard communication interface used for serial communication with COMLI. The CI853 supports Hot Swap. COMLI is an ABB protocol for data transmission between controllers.
MODBUS RTU is an open, serial (RS-232 or RS-485) protocol derived from the Master/Slave architecture exchanging information in half duplex mode. The Modbus functionality can be configured both on the COM ports of AC 800M and CI853.
Siemens 3964R can be used on the build in COM3 port and optionally on the CI853 ports. A standard RS-232C/485 communication channel is required.
Self-defined Serial Communication can be used on the built in COM3 port (on an AC 800M Controller) and optionally on the CI853 ports.
The CI853 module also supports Hot Swap.
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