+86 18030182217
+86 18030182217
sandydcsplc@gmail.com
Description
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Product Overview
The GE IC697CPU781RR is a high-reliability redundant hot-standby CPU module designed for mission-critical industrial automation systems. Building on the robust foundation of the GE IC697CPU781 single-slot CPU, this redundant variant delivers continuous operation by pairing two synchronized IC697CPU781RR units in a master-slave configuration. This ensures seamless failover within milliseconds in the event of a primary CPU failure, making it ideal for applications where downtime is unacceptable, such as oil & gas production, power generation, and pharmaceutical manufacturing.
Featuring dual 16 MHz 80386DX microprocessors and 32 KB of battery-backed CMOS memory (expandable to 512 KB), the IC697CPU781RR supports up to 12,000 mixed I/O points and 8,000 analog channels. Its advanced synchronization protocols maintain identical program states between master and slave units, ensuring bumpless transfer during redundancy transitions. The module’s VME C.1 backplane interface enables compatibility with GE’s IC660/IC661 and IC697 I/O families, while support for protocols like Modbus RTU and Genius Fieldbus enhances interoperability with third-party systems. Engineered for harsh environments, the IC697CPU781RR operates reliably from -20°C to +60°C and incorporates conformal coating to resist dust, moisture, and electromagnetic interference.
In industrial ecosystems, the IC697CPU781RR serves as the core controller for distributed control systems (DCS) in sectors requiring uninterrupted monitoring of critical processes, such as reactor temperature regulation, pipeline pressure management, and emergency shutdown systems. Its redundancy architecture mitigates risks associated with single-point failures, ensuring regulatory compliance and operational continuity. By combining high-speed processing (0.4 microseconds per boolean function) with fail-safe design, the IC697CPU781RR reinforces system resilience in applications where downtime could lead to catastrophic consequences.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | GE IC697CPU781RR |
| Manufacturer | GE Fanuc |
| Product Type | Redundant Hot-Standby CPU Module |
| Microprocessor | Dual 16 MHz 80386DX |
| Memory | 32 KB battery-backed CMOS (per CPU), expandable to 512 KB |
| I/O Support | 12,000 mixed I/O points; 8,000 analog I/O channels |
| Communication Ports | 2 x RS-232, 2 x RS-485, 1 x Ethernet TCP/IP |
| Protocol Support | SNP, Modbus RTU, Genius Fieldbus |
| Redundancy Features | Hot-standby synchronization, bumpless failover, dual power inputs |
| Input Voltage | 24–230 V AC/DC (via backplane) |
| Operating Temperature | -20°C to +60°C |
| Physical Dimensions | 22 cm x 16.9 cm x 4.4 cm |
| Weight | 4 kg |
| Mounting | 19-inch rack-mounted |
| Certifications | CE, UL |
Key Features and Advantages
Dual-Core Redundancy Architecture:
The IC697CPU781RR employs two identical CPUs operating in master-slave mode, with real-time data synchronization ensuring zero data loss during failover. This design eliminates single points of failure, meeting the highest availability requirements for critical infrastructure.
The IC697CPU781RR employs two identical CPUs operating in master-slave mode, with real-time data synchronization ensuring zero data loss during failover. This design eliminates single points of failure, meeting the highest availability requirements for critical infrastructure.
High-Speed Bumpless Transfer:
Advanced redundancy logic enables seamless transitions between master and slave units within milliseconds, ensuring uninterrupted control of processes without operational disruptions. This is critical for applications like turbine control in power plants or emergency shutdown systems in oil refineries.
Advanced redundancy logic enables seamless transitions between master and slave units within milliseconds, ensuring uninterrupted control of processes without operational disruptions. This is critical for applications like turbine control in power plants or emergency shutdown systems in oil refineries.
Comprehensive Diagnostics:
Built-in self-test routines monitor CPU performance, memory integrity, and communication links. Faults are reported via multi-color LEDs and logged with timestamps, facilitating rapid troubleshooting and maintenance. The module’s diagnostic capabilities reduce mean time to repair (MTTR) by up to 50% compared to non-redundant systems.
Built-in self-test routines monitor CPU performance, memory integrity, and communication links. Faults are reported via multi-color LEDs and logged with timestamps, facilitating rapid troubleshooting and maintenance. The module’s diagnostic capabilities reduce mean time to repair (MTTR) by up to 50% compared to non-redundant systems.
Wide Environmental Tolerance:
Rated for extreme temperatures and high-vibration environments, the IC697CPU781RR is engineered with durable components and conformal coating to resist corrosion and electromagnetic interference. This resilience makes it suitable for deployment in offshore oil rigs, chemical processing plants, and other harsh settings.
Rated for extreme temperatures and high-vibration environments, the IC697CPU781RR is engineered with durable components and conformal coating to resist corrosion and electromagnetic interference. This resilience makes it suitable for deployment in offshore oil rigs, chemical processing plants, and other harsh settings.
Scalable System Integration:
Supports GE’s IC660/IC661 and IC697 I/O families, allowing incremental system expansion. Its VME backplane interface accommodates smart option modules like communication coprocessors and motion controllers, enhancing functionality without reconfiguration.
Supports GE’s IC660/IC661 and IC697 I/O families, allowing incremental system expansion. Its VME backplane interface accommodates smart option modules like communication coprocessors and motion controllers, enhancing functionality without reconfiguration.
Application Areas
The IC697CPU781RR excels in high-availability applications across multiple industries:
- Oil & Gas: Powers emergency shutdown systems (ESD) and pipeline monitoring, ensuring continuous operation of wellhead control and compressor stations. Its redundancy ensures that pressure and flow data are processed without interruption, even in offshore environments.
- Power Generation: Manages turbine control and load balancing in thermal and renewable energy plants, minimizing downtime during grid fluctuations. The module’s fast processing speed (0.4 microseconds per boolean function) is critical for maintaining grid stability.
- Chemical Processing: Maintains safe reactor operations by monitoring pH levels, agitator speeds, and batch parameters in real time. Redundancy ensures that any deviation from setpoints triggers immediate corrective action, preventing hazardous conditions.
- Pharmaceuticals: Ensures GMP compliance by controlling sterilization cycles, HVAC systems, and cleanroom environments with zero interruptions. The module’s diagnostic capabilities help maintain audit trails for regulatory reporting.
- Transportation: Supports rail switching systems and tunnel ventilation controls, where downtime could compromise public safety. Its failover mechanism ensures that signaling and environmental systems remain operational during component failures.
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Installation and Maintenance
Installation Preparation:
Before installing the GE IC697CPU781RR, disconnect power to the PLC chassis and ensure proper grounding. Install two IC697CPU781RR modules in adjacent slots, connecting them via the provided redundancy synchronization cable. Configure master-slave roles using Windows-based software and verify firmware compatibility with the host system. Connect the IC697ACC701 battery module to retain memory during power outages.
Before installing the GE IC697CPU781RR, disconnect power to the PLC chassis and ensure proper grounding. Install two IC697CPU781RR modules in adjacent slots, connecting them via the provided redundancy synchronization cable. Configure master-slave roles using Windows-based software and verify firmware compatibility with the host system. Connect the IC697ACC701 battery module to retain memory during power outages.
Maintenance Recommendations:
Regularly inspect the IC697CPU781RR for loose connections, physical damage, or corrosion. Clean dust from vents using compressed air and replace the IC697ACC701 battery every 5–7 years to maintain memory integrity. Monitor diagnostic LEDs for fault indicators and review controller logs for 异常 synchronization events. Perform quarterly firmware updates to address security patches and enhance compatibility with newer I/O modules. For redundancy testing, simulate failover scenarios during scheduled downtime to validate system responsiveness.
Regularly inspect the IC697CPU781RR for loose connections, physical damage, or corrosion. Clean dust from vents using compressed air and replace the IC697ACC701 battery every 5–7 years to maintain memory integrity. Monitor diagnostic LEDs for fault indicators and review controller logs for 异常 synchronization events. Perform quarterly firmware updates to address security patches and enhance compatibility with newer I/O modules. For redundancy testing, simulate failover scenarios during scheduled downtime to validate system responsiveness.
Product Assurance
The GE IC697CPU781RR is backed by a 1-year warranty covering defects in materials and workmanship. GE provides global technical support, including 24/7 emergency assistance and software updates to ensure compatibility with evolving industry standards. Replacement modules are shipped within 3 days of payment, minimizing downtime in critical applications. With a focus on quality and reliability, GE ensures the IC697CPU781RR meets or exceeds performance expectations, supported by its extensive network of certified technicians and spare parts inventory.
For optimal performance, GE recommends annual system audits and adherence to its 预防性 maintenance guidelines. This comprehensive approach reinforces the IC697CPU781RR’s reputation as a trusted solution in industrial automation, delivering peace of mind for mission-critical operations.
HS:7326909000
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