ABB COM0003 2RAA005844A0006A Motherboard

Brand: ABB

Product Series: ABB Protection & Distribution Automation Communication Modules / IEC Substation Series

Model: COM0003 (Part Number: 2RAA005844A0006A)

Product Type: Communication Interface Module / Substation Networking Board

ABB COM0003 2RAA005844A0006A Motherboard

Technical Parameters:

Communication Interfaces: Integrated RS-485 serial fieldbus connection alongside a dedicated IRIG-B port for high-precision, microsecond-level time synchronization across field devices.

Protocol Compliance: Fully compliant with IEC industrial communication standards (including IEC 61850 and Modbus/RTU) for multi-vendor substation interoperability.

Data Transmission Performance: Supports full-duplex communication modes with high-speed serial baud rates (9600 bps up to 115200 bps) and long-distance serial cable spans (up to 1200 meters).

Power Supply Input: Powered via 24 V DC auxiliary input voltage with low board-level power dissipation.

Operating Thermal Range: Industrial-grade operating envelope supporting harsh ambient conditions ranging from -40°C to +70°C.

Electrical Isolation & Noise Immunity: Equipped with optocoupler isolation and hardware noise filtering circuits to protect sensitive microprocessor logic against field transients, high ESD, and electromagnetic interference (EMI).

Physical Profile: Ultra-lightweight sub-rack card assembly (approx. 0.2 kg) designed for slot mounting inside protection relay sub-racks and automation cabinets.

Industrial Sectors:

Electric Power Substation Automation, Utility Distribution Networks, Renewable Energy Generation (Wind and Solar Farms), Chemical and Petrochemical Processing, Heavy Metallurgy, and Smart Grid Infrastructure.

Application Scenarios:

1. Substation Intelligent Device Interfacing: Installed inside protection and control panels to connect Intelligent Electronic Devices (IEDs) to central SCADA systems over RS-485 while maintaining synchronized IRIG-B event timestamping.

2. Renewable Plant Telemetry & Time Stamping: Deployed in wind turbine enclosures and solar farm substation racks to collect real-time status data and log sequence-of-events with high temporal accuracy.

3. Industrial Fieldbus-to-Ethernet Integration: Positioned in remote automation cabinets to convert local field device communications into standardized IEC substation protocol streams for DCS master station integration.

4. Automation Control Cabinet Upgrade: Used as a replacement communication interface module within ABB distribution automation assemblies to restore high-speed telemetry and maintain network resilience.