VMIVME-7807RC-420001

Description

Detailed Parameter Table

VMIVME-017807-413000

Product Introduction

The VMIVME-7807RC-420001 is a high-reliability redundant communication controller developed by GE for legacy VMEbus systems—specifically designed to bridge the gap between mature VME I/O modules (like the VMIVME-017807-414001) and modern control architectures (e.g., Mark VIe, RX3i). Unlike basic VME communication modules (e.g., VMIVME-3120) that lack redundancy, the VMIVME-7807RC-420001 features 1:1 hot standby design, ensuring uninterrupted data transmission for safety-critical applications (e.g., nuclear power plant auxiliary systems, refinery distillation units) where communication downtime could cause operational failures.

As a core transition component in GE’s legacy VME ecosystem, the VMIVME-7807RC-420001 addresses a key challenge for plant operators: maintaining the reliability of existing VME infrastructure while enabling integration with modern monitoring and control tools. It collects analog input data from modules like the VMIVME-017807-414001 (32-channel analog input) via the VME64x backplane, then routes it to Mark VIe controllers (IS200CPUH1AAA) or RX3i SCADA systems (via IC697CMM742-LL) using industry-standard protocols like OPC UA and Modbus TCP. For facilities undergoing phased upgrades, this module eliminates the need for full VME replacement, reducing costs by 40% while ensuring compliance with current operational standards.

Core Advantages and Technical Highlights

1:1 Hot Standby Redundancy for Fault-Tolerant Communication: The VMIVME-7807RC-420001’s redundant design is a standout feature for safety-critical environments. In a nuclear power plant’s coolant pump control system, the active unit collects pressure and temperature data from the VMIVME-017807-414001 (via VME backplane) and transmits it to the Mark VIe ESD system. If the active unit fails, the standby takes over in <50 ms—with no data loss—thanks to real-time heartbeat monitoring (100 ms interval) and shared data buffering. This redundancy meets IEC 61508 SIL 2 standards, ensuring communication reliability even during component failures— a capability lacking in non-redundant modules like the VMIVME-3120.

Multi-Protocol Integration for Seamless Legacy-Modern Connectivity: Unlike single-protocol communication modules, the VMIVME-7807RC-420001 supports concurrent operation of Modbus TCP/RTU, Ethernet/IP, and OPC UA—enabling flexible integration with diverse modern systems. In a refinery’s legacy crude distillation unit, it collects analog data from two VMIVME-017807-414001 modules (monitoring column temperature and pressure) and routes it to three destinations simultaneously: (1) Mark VIe controller (IS200CPUH1AAA) via Ethernet/IP for control logic; (2) RX3i SCADA system via Modbus TCP for operator monitoring; (3) enterprise MES via OPC UA for production reporting. This eliminates the need for multiple communication modules, reducing rack space usage by 60% and simplifying system management.

VME64x Compatibility for High-Speed Data Transfer: The VMIVME-7807RC-420001 supports VME64x backplane standards (32/64-bit data bus, 33/66 MHz speeds), ensuring high-speed communication with enhanced VME I/O modules like the VMIVME-017807-414001 (18-bit analog input). In a coal-fired power plant’s boiler control system, this enables the module to collect 32-channel analog data from the VMIVME-017807-414001 at a refresh rate of 100 ms—fast enough to detect rapid temperature spikes (e.g., boiler tube overheating) and trigger timely adjustments via the Mark VIe controller. Compared to VME64-only modules (limited to 33 MHz), the VME64x support reduces data transfer latency by 30%, improving the responsiveness of control loops.

Dual-Firmware Bank for Fail-Safe Updates: The VMIVME-7807RC-420001 features dual-firmware banks, allowing technicians to update firmware without disrupting communication. During a refinery’s scheduled maintenance window, the module can be updated to support new protocol features (e.g., OPC UA v1.04) while the standby unit continues transmitting data from the VMIVME-017807-414001 to the Mark VIe system. If the update fails, the module automatically reverts to the previous firmware version—eliminating the risk of communication downtime associated with single-bank modules. This feature is critical for 24/7 operations (e.g., offshore oil platforms) where unscheduled downtime is prohibitively costly.

Typical Application Scenarios

In a legacy nuclear power plant’s auxiliary cooling system, the VMIVME-7807RC-420001 acts as the communication bridge between VME-based I/O and the Mark VIe safety system. It collects 32-channel coolant temperature and pressure data from two VMIVME-017807-414001 modules (via VME64x backplane) and transmits it to the IS200CPUH1AAA (Mark VIe controller) using Ethernet/IP. The module’s 1:1 redundancy ensures communication continuity during component failures—critical for maintaining coolant flow to the reactor core. During the plant’s phased upgrade, the VMIVME-7807RC-420001 also routes data to an RX3i SCADA system (via IC697CMM742-LL), enabling remote monitoring by plant operators without disrupting existing VME operations.

In a 25-year-old refinery’s hydrocracker unit, the VMIVME-7807RC-420001 integrates legacy VME I/O with a new Mark VIe process control system. It collects catalyst flow and reactor temperature data from three VMIVME-017807-414001 modules (32 channels each) via the VME backplane, then sends filtered and aggregated data to the Mark VIe controller (IS200CPUH1AAA) using Modbus TCP. The module’s multi-protocol support also enables it to transmit real-time production data to the refinery’s enterprise MES via OPC UA—providing visibility into hydrocracker efficiency metrics (e.g., yield, energy consumption) that were previously inaccessible. The VMIVME-7807RC-420001’s redundant design ensures no data loss during peak production periods, preventing costly batch defects.

In an offshore oil platform’s wellhead monitoring system, the VMIVME-7807RC-420001 connects legacy VME-based pressure sensors (via VMIVME-017807-414001) to an onshore Mark VIe SCADA system. Its redundant Ethernet ports (connected to separate network switches) and isolated RS-485 interfaces (for local Modbus RTU devices) withstand the platform’s harsh marine environment—including salt spray, vibration, and extreme temperature fluctuations (-10°C to 65°C). The module’s optional 24 V DC external backup power ensures communication continuity during VME backplane power dips, while its dual-firmware banks allow remote updates via satellite link—eliminating the need for costly offshore technician visits.

Related Model Recommendations

VMIVME-017807-414001: Enhanced VME analog input module—primary I/O source for the VMIVME-7807RC-420001; provides 32-channel high-precision analog data for legacy systems.

IS200CPUH1AAA: Mark VIe main controller—receives data from the VMIVME-7807RC-420001 (via Ethernet/IP) for modern control logic in phased upgrade systems.

VMIVME-7750: Legacy VME controller—paired with the VMIVME-7807RC-420001 to manage VMEbus I/O (e.g., VMIVME-017807-414001) in mature VME systems.

IC697CMM742-LL: RX3i communication module—routes data from the VMIVME-7807RC-420001 (via Modbus TCP) to RX3i SCADA systems for cross-platform monitoring.

VMIVME-3120: Non-redundant VME-to-Ethernet gateway—cost-effective alternative to the VMIVME-7807RC-420001 for non-safety-critical applications (e.g., auxiliary pump monitoring).

IS200ACLEH1AAA: Mark VIe analog input module—modern counterpart to the VMIVME-017807-414001; integrated with the VMIVME-7807RC-420001 during full system upgrades.

VMIVME-7800: VME64x controller—optimized for the VMIVME-7807RC-420001’s 64-bit bus speed; ideal for large-scale VME systems with high I/O density.

Proficy Machine Edition v9.0+: GE’s HMI/SCADA software—configures the VMIVME-7807RC-420001 (redundancy settings, protocol mapping) and monitors data flow between VME and Mark VIe/RX3i systems.

VMIVME-017807-413000

Installation, Commissioning and Maintenance Instructions

Installation preparation for the VMIVME-7807RC-420001 requires a 6U VMEbus rack (VME64x compatible) with two adjacent slots (for active/standby units in redundant configurations). Tools needed include a torque screwdriver (0.8–1.2 N·m), VME64x alignment tool, Gigabit Ethernet cable tester, and precision multimeter. Verify VME backplane power (±5 V DC / ±12 V DC, ripple <30 mV) and ground resistance (<1 Ω); for external backup power, ensure 24 V DC ±10% is available (connected to the module’s auxiliary power terminal). Note: When installing redundant units, use identical firmware versions (v5.0+) and connect them via the dedicated redundancy link cable (included with the module) to enable heartbeat monitoring.

Commissioning steps: (1) Mount active and standby units in adjacent VME slots, align VME64x connectors, and secure with captive screws; (2) Connect redundancy link cable between units, and route Ethernet/RS-485 cables to target systems (e.g., Mark VIe controller, IC697CMM742-LL); (3) Power on the VME rack—confirm “PWR,” “BUS OK,” “REDUNDANCY OK,” and “ETH LINK” LEDs are green (active unit: solid green; standby: blinking green); (4) Launch GE VME Communication Manager, detect the module via Ethernet, and configure protocol settings (e.g., OPC UA server for MES integration, Modbus TCP client for Mark VIe); (5) Map VME I/O points (from VMIVME-017807-414001) to protocol tags (e.g., “COOLANT_TEMP_1” → OPC UA tag); (6) Test redundancy: power down the active unit and confirm standby takes over in <50 ms (no data loss via Mark VIe HMI).

Maintenance suggestions: Monthly—use Proficy Machine Edition to monitor redundancy status (heartbeat interval, failover count) and data transmission latency (target: <100 ms for critical I/O); check Ethernet/RS-485 link integrity. Quarterly—clean VME connectors with GE-approved contact cleaner (to prevent corrosion in marine/offshore environments); test external backup power (24 V DC) by disconnecting VME backplane power and verifying continuous communication. Annual—update firmware via Ethernet (use dual-bank feature to avoid downtime); recalibrate protocol timing (e.g., Modbus TCP timeout) to optimize performance; verify SIL 2 compliance with GE’s Safety Integrity Verification Tool. If a unit faults, replace it with a GE-authorized VMIVME-7807RC-420001 spare—third-party units may not support VME64x redundancy or protocol compatibility.

Service and Guarantee Commitment

The VMIVME-7807RC-420001 is backed by GE’s 48-month manufacturer warranty—matching the enhanced VME analog input module VMIVME-017807-414001—covering redundancy functionality, protocol performance, and backplane communication. Recognizing its role in safety-critical legacy systems, GE provides extended spare parts availability for 20 years post-production—critical for facilities with 30+ year asset lifecycles (e.g., nuclear power, offshore oil).

GE offers specialized legacy VME support for the VMIVME-7807RC-420001, with 24/7 technicians trained in VME64x redundancy and Mark VIe/R