ABB 500CIM05 1MRB150077R1/B Communication Interface Module
The ABB 500CIM05 (Part Number: 1MRB150077R1/B) is a specialized Communication Interface Module used within the ABB REB500 busbar protection system and the PWC600 series.
This module serves as the primary data gateway, ensuring seamless communication between the central unit, peripheral bay units, and higher-level station automation systems.
Technical Parameter Table
| Parameter | Specification |
| Model Number | 500CIM05 |
| Order Code | 1MRB150077R1/B |
| Function | Communication Interface & Control |
| Interface Ports | Serial (RS232/RS485) and/or Fiber Optic (ST/LC) |
| Protocols | IEC 61850, IEC 60870-5-103, MODBUS |
| Data Rate | Up to 100 Mbps (Ethernet-based variants) |
| Operating Voltage | Supplied via internal backplane |
| Mounting Type | Plug-in module for 19-inch subrack |
| Electromagnetic Compatibility | IEC 60255-22 Standards |
Product Advantages and Features
Multi-Protocol Support: Easily integrates with legacy systems and modern smart grids via IEC 61850.
High-Speed Processing: Designed to handle high-density data traffic from multiple bay units without latency, ensuring fast trip signal propagation.
Optical Isolation: Utilizes fiber-optic interfaces to eliminate electromagnetic interference (EMI) and ground loops in harsh substation environments.
Robust Diagnostic Logic: Features continuous self-monitoring and LED status indicators for immediate hardware health assessment.
Enhanced Cybersecurity: Includes hardware-level security features to protect station communication from unauthorized access.
Application Cases
Distributed Busbar Protection: Acts as the central communication hub in an REB500 system, collecting current and status data from distributed Bay Units.
Substation Gateway: Serves as the bridge between the protection rack and the HMI (Human Machine Interface) or SCADA system.
Bay Control Coordination: Facilitates the exchange of interlocking signals between different bays to prevent accidental switching operations.
Retrofit Projects: Used to upgrade older analog substations to digital standards by providing modern communication ports.
Installation and Maintenance
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Installation
ESD Protection: Always wear an anti-static wrist strap when handling the module to prevent damage to CMOS components.
Slot Alignment: Ensure the module is aligned correctly with the guide rails of the subrack before firmly pushing it into the backplane connector.
Fixing: Secure the front panel screws to ensure a stable ground connection and to prevent vibration-induced loosening.
Maintenance
Firmware Verification: Ensure the revision (/B) matches the Central Unit’s firmware requirements.
Fiber Inspection: Periodically clean fiber optic connectors with specialized wipes to prevent signal attenuation.
Log Review: Check the system event logs for any “Communication Interrupted” errors which may indicate a failing CIM module or cable.
Related & Other Models in the Same Series
Model Description
500CIM01 Basic Communication Interface (Serial focus)
500CUM05 Central Unit Module (The “Brain” that works with CIM)
500BIO01 Binary Input/Output Module for signal interfacing
500PSM05 Redundant Power Supply Module
500AIM01 Analog Input Module for CT/VT signals
Peer Tip: The “1MRB150077R1/B” suffix is critical.
The /B revision often denotes a specific hardware iteration that might require a specific version of the ABB CAP500 or PCM600 configuration software.