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Product Overview
The GE IC697CPU780 is a high-reliability central processing unit (CPU) module from GE Fanuc’s Series 90-70 PLC platform (now under Emerson Automation), engineered for mission-critical industrial automation systems. Utilizing an 80386DX microprocessor clocked at 16 MHz, this module delivers rapid Boolean instruction execution (0.4 μs) and robust real-time control for complex machinery. Designed for hot standby redundancy, it supports seamless failover between primary and backup CPUs, eliminating single points of failure and ensuring uninterrupted operation in environments like power plants or steel mills. Integrated with RS-485 serial communication and battery-backed memory (IC697ACC701), the IC697CPU780 manages up to 12K discrete I/O points and 8K analog I/O points, making it ideal for large-scale automation systems demanding zero downtime .
As a core component of GE’s 90-70 series, the IC697CPU780 operates in a single PLC chassis slot, drawing 1.6A at 5V DC from the backplane. Its software-configurable design (via Proficy ME or Windows tools) eliminates physical DIP switches, enhancing stability in high-vibration industrial settings. The module’s four status LEDs provide instant diagnostics for operational integrity, while its extended temperature range (-40°C to +70°C) ensures reliability in harsh conditions .
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | IC697CPU780 |
| Manufacturer | GE Fanuc (Emerson Automation) |
| Product Type | PLC CPU Module (Hot Standby) |
| Processor | 80386DX Microprocessor |
| Clock Speed | 16 MHz |
| Memory Capacity | 512 KB RAM (battery-backed) |
| I/O Capacity | 12K Discrete Points, 8K Analog Points |
| Communication Ports | 1 × RS-485 Serial Port |
| Supply Voltage | 5V DC (backplane-powered) |
| Current Draw | 1.6A |
| Operating Temperature | -40°C to +70°C |
| Memory Backup | IC697ACC701 Lithium Battery (10-year lifespan) |
| Dimensions | Standard 90-70 Slot (50 mm × 100 mm) |
Key Features and Benefits
Hot Standby Redundancy
The GE IC697CPU780 enables automatic failover within 20 ms if the primary CPU fails, leveraging synchronized data and one-scan switching to prevent system downtime in critical applications like nuclear plants or high-speed production lines .
High-Speed Processing & Scalability
With 0.4 μs Boolean execution and floating-point arithmetic support, it handles complex algorithms for CNC machining or robotic control. Expandable memory (up to 512 KB) accommodates large-scale programs without hardware upgrades .
Industrial Robustness
IP20-rated housing resists dust and contaminants, while its wide temperature tolerance (-40°C to +70°C) ensures stability in foundries or outdoor substations. Software-based configuration reduces manual errors .
Integrated Diagnostics
Four front-panel LEDs monitor CPU status (Run/Fault/Battery/Output Enable), enabling rapid troubleshooting. Battery-backed RAM retains data during outages for up to 6 months .
Application Areas
- Heavy Industry: Controls steel mill rolling lines and blast furnaces, leveraging high I/O density for sensor networks and redundancy for continuous operation .
- Energy & Utilities: Manages turbine control systems (e.g., nuclear or thermal plants) and power grids, utilizing analog I/O for real-time pressure/temperature monitoring .
- Infrastructure: Coordinates water treatment pumps and smart building HVAC systems via RS-485/SCADA integration .
- Manufacturing: Optimizes automotive assembly lines and semiconductor fabrication with fail-safe logic for robotic welding arms .
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Installation and Maintenance
Installation Preparation: Power off the PLC chassis before mounting. Verify backplane voltage (5V DC ±5%) and secure the GE IC697CPU780 using GE-specified rail fasteners. Connect the IC697ACC701 battery to preserve memory .
Maintenance Protocol: Replace the battery annually to prevent data loss. Monitor LED indicators: solid green “Run” light confirms normal operation. Clean dust quarterly with low-pressure air to maintain thermal performance .
Product Assurance
GE provides a 24-month global warranty covering material and manufacturing defects. Technical support includes 48-hour response for failure analysis and lifetime firmware updates. Each module undergoes 500-hour stress testing at 150% rated load to validate endurance in extreme conditions .
HS:7326909000
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