ABB AC500 PLC - 1.3.2 CM574-RCOM for RCOM;RCOM+; 1.3.2.1 Purpose; 1.3.2.2 Electrical Connection; 1.3.2.2.1 Serial Interfaces

1.3.2 CM574-RCOM for RCOM/RCOM+
1 5 LEDs for state display
2 Label
3 2 interfaces: 1x RCOM protocol interface, 1x CONSOLE
1.3.2.1 Purpose
Communication module CM574-RCOM is equipped with 2 serial interfaces (RCOM protocol
communication and Console) which provide the remote protocol RCOM/RCOM+.
Depending on the electrical connection, the physical interface of the RCOM protocol interface
and of the debugging terminal interface is either RS-232 or RS-485.
1.3.2.2 Electrical Connection
1.3.2.2.1 Serial Interfaces
The serial interface connectors (COM1/COM2) have the following pin assignment:
Device Specifications
Communication Modules (AC500 Standard) > CM574-RCOM for RCOM/RCOM+
2019/04/17 3ADR010121, 13, en_US 95