ABB 500CMP04 HE401314/0001 1MRB150051R1 Communication motherboard

The ABB 500CMP04 (Part Number: 1MRB150051R1 / HE401314/0001) is a high-performance Communication Module or Communication Motherboard specifically designed for the ABB REB500 busbar protection system and related station automation frameworks.

It serves as the primary gateway for processing and routing data between the protection system’s internal modules and external industrial networks.

Technical Parameter Table

Product Advantages and Features

High-Speed Interfacing: Engineered to handle complex process automation needs with significantly higher I/O capacity compared to standard discrete control modules.

Ruggedized Construction: Built to withstand the harsh electromagnetic environments of power generation and petrochemical plants.

Scalable Architecture: Easily integrates with other ABB modules (like the PM783F or CP430T-ETH) to form a layered and highly available automation network.

Real-time Monitoring: Provides stable data transmission for critical parameters, ensuring high operational uptime and reduced risk of signal loss.

Modular Compatibility: Designed as a motherboard/communication hub that supports various plug-in interfaces for different network standards.

Application Cases

Power Generation Plants: Centralized monitoring of electrical parameters and high-speed communication between bay units in busbar protection.

Petrochemical Processing: Accurate control and data exchange for complex chemical reaction monitoring where reliability is non-negotiable.

Substation Automation: Acts as the communication bridge in REB500 distributed systems, coordinating signals across multiple bays.

Utility Infrastructure: Used in large-scale water treatment or energy distribution grids for robust system integration.

Installation and Maintenance

Installation

Slot Placement: Ensure the module is correctly seated in the designated “CMP” or “Central Unit” slot of the REB500 subrack.

Static Protection: Use an ESD wrist strap during installation; the motherboard components are sensitive to electrostatic discharge.

Connector Integrity: Inspect the backplane connectors for bent pins before insertion. Secure the front-panel screws to ensure a proper earth/ground connection.

Maintenance

Firmware Verification: Periodic checks of the communication firmware version are recommended to ensure compatibility with the system’s central unit.

Signal Quality Logs: Monitor the internal diagnostic logs for CRC errors or communication timeouts, which may indicate a need for cable or port cleaning.

Dust Prevention: Ensure subrack filters are clean to prevent heat buildup on the communication processors.

Related & Other Models in the Same Series

Model    Description

500CPU05    Central Processing Unit (Coordinates with 500CMP04)

500CIM05    Specialized Communication Interface Module

500BIO01    Standard Binary Input/Output interface

500PSM01    Power Supply module for the communication rack

UAD149A    Discrete control application module (Lower I/O capacity)

Peer Note: While both the 500CMP04 and 500CIM05 handle communications, the CMP04 acts more as a central processing “hub” or motherboard,

whereas the CIM series often handles the specific protocol physical layers (like fiber optic or serial links).