Vibro-Meter IOCR2 input/output rear interface card
Vibro-Meter IOCR2 is an input/output rear interface card paired directly with the CPUR2 rack controller module in Meggitt’s VM600 machinery protection and condition monitoring systems.
Mounted in the rear of a 19-inch 6U rack (such as ABE04x), the IOCR2 serves as the communications gateway, providing external fieldbus connections, network communication ports, and signal/relay routing for industrial control integration.
Application Cases
Central DCS/SCADA Integration: Used in power plants, oil & gas refineries, and chemical processing facilities to transfer real-time vibration, speed, and status data to plant-wide Distributed Control Systems via Modbus TCP or PROFIBUS DP.
Gas & Steam Turbine Condition Monitoring: Acts as the communication link for high-speed turbo-machinery, routing dynamic health and diagnostic data to Meggitt’s VibroSight software.
Balance-of-Plant (BOP) Machinery Monitoring: Connects rack-level data from large motors, multi-stage pumps, compressors, and gearboxes to higher-level industrial networks.
Redundant System Architectures: Deployed in dual-controller VM600 configurations to ensure zero communication downtime during maintenance or network hardware faults.
Product Advantages and Features
Expanded Protocol Support: Built-in hardware support for industry-standard fieldbus communications, including Modbus TCP and PROFIBUS DP.
Simultaneous Multi-Network Operation: Capable of running two independent system Ethernet connections and two fieldbus interface connections simultaneously.
Mathematical Fieldbus Data Processing: Offers onboard mathematical processing of fieldbus data before transmission, reducing CPU load on receiving host PLCs/DCSs.
Real-Time Health Monitoring: Provides continuous self-diagnostic and card-pair health status directly over the fieldbus network.
Hot-Swappable Rear Module: Designed for live insertion and replacement without interrupting active front-panel protection card processing.
Other Models in the Same Series
| Model | Part Number / Family | Main Description |
| IOCR2 | PNR 600-026-000-VVV |
Interface card paired with CPUR2; supports Modbus TCP & PROFIBUS DP. |
| IOCR | PNR 600-007-VVV-VVV |
Standard interface card for original CPUR controllers; supports Modbus RTU/TCP. |
| IOCN | PNR 200-595-VVV-VVV |
Legacy rear interface card paired with CPUM controllers (Modbus / PROFINET). |
| IOC4T | PNR 200-560-xxx-xxx |
Signal I/O card paired with MPC4 machinery protection processing modules. |
| XIO16T | PNR 200-565-xxx-xxx |
16-channel I/O card paired with XMV16 / XMC16 condition monitoring cards. |
Installation and Maintenance
Slot Matching: Always install the IOCR2 module in the rear slot directly corresponding to the front-mounted CPUR2 card.
Connector Fastening: Align the card edge connectors carefully along the 6U guide rails, press firmly into the backplane connector, and tighten the top and bottom retaining screws.
Cable Shielding: Connect Ethernet cables (RJ45) and serial cables using shielded twisted-pair (STP) lines. Ground the cable shields at designated rack terminals to eliminate noise and ground loops.
Firmware & Config Sync: When replacing an IOCR2 card, use VM600 MPSx or VibroSight software to perform “One-Shot” project sync to configure network addresses and mapping.
Periodic Inspection: Periodically check terminal blocks and network connections for tightness, environmental oxidation, or dust accumulation in harsh enclosure environments.