Description

Brief Product Description

The GE Fanuc IC697CPU782 is a high-speed, 16 MHz central processing unit for the Series 90-70 PLC, featuring an 80386DX microprocessor and dedicated floating-point math capabilities.³ This expandable module supports up to 12K discrete I/O and 512 KB of additional memory, making it ideal for complex computational tasks in industrial automation.⁴

High-Speed Logic Execution and Processing Power

The GE Fanuc IC697CPU782 serves as the primary intelligence for the Series 90-70 PLC platform. Powered by an 80386DX microprocessor running at 16 MHz, this unit delivers rapid Boolean execution at a rate of 0.4 microseconds per function.⁵ Because modern industrial processes require complex mathematical modeling, the CPU includes specialized floating-point support.⁶ This capability allows the module to handle advanced calculations, such as high-precision PID control loops and complex data comparisons, without taxing the primary logic cycle. Consequently, the IC697CPU782 remains a preferred choice for high-demand applications requiring both speed and mathematical accuracy.

Extensive I/O Capacity and Memory Expansion

To accommodate large-scale automation architectures, the IC697CPU782 manages a substantial I/O footprint.⁷ The module supports 12 Kbytes of discrete input/output data and 8 Kbytes for analog I/O points.⁸ Furthermore, the system allows for the integration of up to 512 KB of expansion memory, providing ample space for extensive ladder logic programs and long-term data registers.⁹ This flexibility ensures that the PLC can grow alongside the facility’s operational needs. Technicians can program the unit using standard industry tools such as Proficy Machine Edition, VersaPro, or Logicmaster 90-70, facilitating a smooth transition across different software generations.

Industrial Reliability and Data Security

Durability and data integrity define the IC697CPU782 design. The module incorporates a physical key switch for memory protection, which prevents unauthorized software modifications and enhances operational security.¹⁰ To safeguard against power loss, an IC697ACC701 lithium battery maintains RAM data for up to six months. Mechanically, the unit withstands extreme industrial conditions, including 15 G shock and 1 G vibration ratings.¹¹ Moreover, the CPU occupies a single slot in the VME C.1 Standard backplane, typically residing in slot 1 of a 5-slot or 9-slot rack.¹² This robust physical construction ensures that the processor maintains peak performance within a temperature window of 0°C to 60°C.

Key Technical Characteristics

• Advanced 80386DX Microprocessor: Delivers a 16 MHz clock speed for efficient execution of complex control logic.¹³
• Integrated Floating Point Math: Enables high-precision calculations for PID control and technical algorithms.¹⁴
• Large Memory Envelope: Supports 512 KB of expansion memory for sophisticated program storage and data logging.
• High-Density I/O Management: Interfaces with up to 12K discrete and 8K analog I/O points via the VME backplane.¹⁵
• Robust Data Retention: Features battery-backed RAM and a 3-position key switch for hardware-level security.¹⁶
• Versatile Connectivity: Allows programming through serial, parallel, or Ethernet paths with compatible bridge modules.

Technical Specifications