Bachmann COM102. COM102/D, COM104 Serial Interface Modules

The module for the backplane offers 2 resp. 4 serial inter

faces. The standards RS-485. RS-422 and RS-232 can be

selected as well as the baud rate and the handshake proce

dure. The interfaces can be used with the communication

solutions for Modbus RTU/ASCII, IEC 60870-5-101 and -103

or DNP3. Customized protocols can be implemented in PLC

and C/C++. Thanks to the native mapping of the COM ports

in the operating system of the controller CPU, no fieldbus

data points need to be considered in the application pro

gram. The LEDs on the module enable targeted diagnostics

in the switch cabinet even without a PC.

Features

● Module for the M100 backplane

● 2 or 4 serial interfaces

● Protocols RS-232. RS-422 or RS-485 configurable foreach port

● The ports are galvanically isolated against each other

and against the ground (GND) of the backplane

● Integrated termination resistor, switchable via configuration

● Diagnostic LED for module status

● Status LED for each COM port:– Rx, Tx activity– Display of buffer

overflow Error indication: Parity, Frame, Overflow, ... (configurable)

– State of terminating resistor