Bachmann RS204/T Serial Communication Interface Module

Overview

The Bachmann RS204/T is a versatile serial communication interface module for the M1 automation system. It supports four independent serial ports, configurable for RS232, RS422, or RS485 communication. The module integrates easily with sensors, controllers, HMIs, and legacy devices. Its robust design ensures reliable operation in demanding industrial environments. Users benefit from high-speed data transfer, galvanic isolation, and flexible mounting options.

Technical Specifications

• Model: RS204/T

• Function: Serial communication interface module

• Number of Ports: 4 independent serial ports

• Communication Modes: RS232 (full duplex), RS422, RS485 (half duplex)

• Baud Rate: 300 bps to 1.5 MBaud, configurable per port

• FIFO Buffer: 128 bytes for efficient data handling

• Flow Control: Automatic handshake and auto-flow control

• Termination: Integrated resistors with connect/disconnect function

• Isolation: Galvanically isolated interfaces and system bus

• Isolation Voltage: Typically 500 V

• Connector Type: Terminal block or D-sub, depending on variant

• Supported Protocols: Modbus RTU, ASCII, and custom serial protocols

• Power Supply: 24 VDC

• Operating Temperature: –25°C to +70°C for /T variant

• Relative Humidity: 5% to 95% without condensation

• Mounting: DIN rail or panel mount