Description
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BrandGeneral Electric (GE Fanuc / Emerson Automation)
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ModelIC695CRU320
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Product NamePACSystems RX3i Redundancy Control CPU Module
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Weight1.0 kg
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Dimensions40 mm (W) x 100 mm (H) x 160 mm (D)
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OriginalUnited States
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Customs HS85371090
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Operating temperature0°C to 60°C
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Storage temperature-40°C to 85°C
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Warranty12 month
GE IC695CRU320 PACSystems RX3i Redundancy CPU Module Product Introduction
Input
Processor: 1.0 GHz Intel Celeron-M 32-bit RISC CPU
Memory: 64 MB battery-backed RAM, 64 MB non-volatile flash memory
Serial Communication: 2 isolated ports (1x RS-232, 1x RS-485)
Redundancy Sync: Supports dual IC695RMX128/228 synchronization links
Backplane Interface: PCI 2.2 high-speed backplane bus
Program Capacity: 512 program blocks (max 128 KB each)
Execution Speed: 0.047 ms per 1K Boolean instructions
Output
Redundancy Control: Seamless hot-standby failover (3.133 ms to 100 ms switchover)
Communication Protocols: Modbus RTU, SNP, Serial I/O, Ethernet (via expansion modules)
I/O Compatibility: Supports all RX3i and Series 90-30 I/O modules
Status Indicators: LED diagnostics for power, run, fault, sync, and redundancy status
Real-Time Clock: Integrated with ±2 seconds/day drift accuracy
Power Requirements
Power Source: Backplane-powered from RX3i chassis (5 VDC / 3.3 VDC)
Power Consumption: 1.0 A @ 3.3 VDC, 1.2 A @ 5 VDC (≤5 W total)
Memory Backup: Requires IC693ACC302 lithium battery (non-rechargeable)

Core Functions
Manages dual-CPU redundancy with real-time data synchronization
Executes complex control logic, PID loops, and sequence-of-events (SOE) processing
Provides seamless failover to backup controller on primary CPU fault
Supports multi-tasking and real-time operation for time-critical processes
Facilitates remote configuration, monitoring, and firmware updates
Ensures data integrity with battery-backed memory and non-volatile flash storage

Key Features
Dual Slot Design: Occupies two adjacent RX3i chassis slots
Isolated Serial Ports: Prevents ground loops and electrical interference
High MTBF: Long-term reliability for continuous industrial operation
Expandable Communication: Supports Ethernet, Modbus TCP, PROFINET via expansion modules
Shock & Vibration Resistance: Withstands 6 G vibration (10–2000 Hz) and 20 G shock
Certifications: CE, UL, cUL, ATEX, and IEC 61131-2 compliance
Hot-Swappable: Supports replacement under power without system shutdown
Application Cases
Oil & Gas Refineries: Controls critical processes including distillation, cracking, and pipeline systems
Power Generation: Manages turbine control, boiler safety, and grid synchronization in thermal and wind plants
Petrochemical Plants: Ensures continuous reactor control and emergency shutdown systems
Water & Wastewater: Controls treatment processes, pump stations, and distribution networks
Manufacturing Automation: Supports assembly lines, material handling, and robotics in automotive and aerospace
Chemical Processing: Monitors and controls hazardous material reactions and storage systems
Marine & Offshore: Provides reliable control for drilling rigs, vessel propulsion, and FPSO systems
Pharmaceutical Manufacturing: Ensures regulatory compliance and precise batch process control

Key Advantages
Hot Standby Redundancy: 2oo1 redundant architecture with bumpless transfer ≤100 ms
High-Speed Processing: 1 GHz CPU delivers fast logic execution for complex control tasks
Real-Time Synchronization: Dual sync links ensure complete program/data mirroring between CPUs
Industrial Durability: Rugged design for extreme temperatures, vibration, and EMI resistance
Flexible Integration: Compatible with RX3i and legacy Series 90-30 I/O systems
Advanced Diagnostics: Comprehensive self-testing and fault reporting for predictive maintenance
Software Compatibility: Supports PAC Machine Edition (PME) programming suite
