Overview
The ABB CM574-RS is a high-performance communication module designed for ABB’s Advant / Master / OCS control systems. It enables reliable RS-485 and serial communication between controllers and field devices, ensuring efficient data exchange and network interoperability in industrial automation applications.
General Information
Part Number: 1SAP170400R0001
Manufacturer: ABB
Brand / Country of Origin: ABB / Switzerland
Series: CM (Communication Module)
Type: RS-485 / Serial Communication Module
Mounting: DIN rail or panel mounting within control cabinet
Technology: Serial communication, multi-drop bus support, diagnostic capabilities
Power Specifications
Supply Voltage: 24 V DC
Power Consumption: ≤ 8 W
Input: Powered through controller backplane or auxiliary 24 V DC supply
Protection: Surge protection, reverse polarity protection
Indicators: LEDs for power, communication activity, and fault detection
Communication & Interface
Serial Interface: RS-485
Baud Rate: Up to 115.2 kbps
Network Role: Acts as a slave/master node for serial network communication
Diagnostics: Communication error detection, link supervision, status reporting
Operator Interface: LED indicators for transmit/receive activity and error states
Reset Features: Supports software and hardware reset
I/O & Channels
Relay Channels: None
External Load Support: None (designed for data communication only)
Environmental
Operating Temperature: −25 to +70 °C
Humidity: 5–95% RH, non-condensing
Protection Rating: IP20, suitable for industrial control cabinet installation
Dimensions & Weight
Dimensions (L × W × H): 62 × 135 × 28 mm
Weight: 0.095 kg
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