GE IC695CRU320 redundancy-capable CPU module

Description

Product Introduction & Positioning
The IC695CRU320 is a redundancy-capable CPU module used within the PACSystems RX3i platform to provide reliable real-time control in automation installations. As a central processing unit in the RX3i stack, it interfaces with sensors, actuators, and field devices, coordinating control routines while exchanging status and diagnostic information with the system backplane and supervisory software. This module fits into standard RX3i chassis configurations, enabling hot standby operation so a secondary CPU can take over instantly without interrupting process control. Its role is to deliver deterministic execution, fast I/O response, and fault-tolerant operation, making it valuable for integrators needing high availability in automotive, packaging, and material-handling lines. The model name is emphasized here to reinforce compatibility with the RX3i family and to aid in quick selection during system design and procurement.

Key Technical Features & Functional Benefits
The IC695CRU320 delivers robust real-time performance with deterministic execution and low-latency interprocessor communication essential for tight control loops. Its rugged hardware design supports operation across a wide industrial temperature range, and its dual backplane capability helps ensure reliable data flow between processor, I/O, and networking modules. Compatibility is strong within the RX3i ecosystem, including support for standard GE serial protocols and common fieldbus interfaces, which simplifies integration with existing control architectures. Reliability is a core strength, with memory arrangements that preserve program and data during power events and a design tailored for long service life in harsh environments. Diagnostics and remote monitoring are integral, enabling predictive maintenance and rapid fault isolation. The model name is referenced consistently to reinforce engineering confidence and product lineage.

Detailed Technical Specifications
Parameter Value
Model IC695CRU320
Brand GE (PACSystems RX3i)
Type Redundancy CPU
Power Supply +3.3 VDC, +5 VDC (nominal currents consistent with RX3i specs)
Operating Temperature 0 to 60°C
Mounting RX3i backplane-compatible module
Dimensions Approximately 16 cm x 16 cm x 12 cm
Weight About 1 kg
Interfaces Serial RS-232, RS-485; backplane RX3i PCI and high-speed serial bus
Certifications IEC/UL/global industrial standards (as applicable)
Cooling Passive/active per system design
Environmental Rating Industrial enclosure compatibility

Related Modules or Compatible Units
IC695CPU320 – Core CPU within the RX3i family, used alongside CRU320 for standard redundancy configurations.
IC695CHS013 – RX3i hot-standby partner module enabling seamless switchover in redundant setups.
IC695PWR710 – Power supply module that supports RX3i backplane power for dependable operation.
IC695LOG174 – Event/diagnostic logging module that complements RX3i control architectures.
IC694CMM001 – Common communication module that broadens protocol support in mixed GE systems.
IC695CMM001 – High-speed communication module for RX3i networks.
IC695ACC001 – Battery and energy management accessory for memory retention.
XB/S RX3i external expansion modules – Additional I/O and expansion capabilities to scale control systems.

Installation Notes & Maintenance Best Practices
Before installation, verify the RX3i chassis footprint, ensure adequate clearance for cooling, and confirm grounding practices follow plant standards to minimize EMI in backplane connections. Plan cable routing to avoid cross-talk and ensure shielded serial cables where appropriate. During installation, verify the power rails are within the RX3i specifications and that standby CPU paths are properly configured for hot-swap scenarios. For maintenance, schedule regular visual inspections of connectors and cooling paths, monitor diagnostic logs for aging components, and apply firmware updates in controlled maintenance windows with a tested rollback plan. Establish a baseline of I/O response times and log anomalies to detect drift early, and keep the memory firmware and software layers synchronized across RX3i modules to maintain deterministic timing.