GE IC697CPX928-CD

Description

Product Overview

The GE IC697CPX928-CD is a high-performance central processing unit (CPU) module for the GE Fanuc Series 90-70 Programmable Logic Controller (PLC). This specific CPU features integrated Genius communications, positioning it as a powerful controller for demanding and complex automation applications that require management of distributed I/O over the Genius LAN. The GE IC697CPX928-CD combines robust computational power with built-in network capabilities, making it a cornerstone for large-scale control systems.

Key Product Parameters

• Product Type: PLC Central Processing Unit (CPU) with Integrated Genius Communications

• Compatible System: GE Series 90-70 PLC

• Processor: Features a high-speed microprocessor for executing complex ladder logic and instruction sets.

• Memory: Contains significant user logic memory and data register capacity (specifics defined by the -CD suffix, indicating memory size and features).

• Integrated Communication: Includes a built-in Genius Bus Controller (GBC) for direct connection to the Genius LAN, supporting communication with up to 31 Genius devices (I/O blocks, other controllers) without an additional module.

• Communication Ports: Also includes a serial port for programming (RS-232/422/485) and potentially an additional port for peer-to-peer or network communication.

• I/O Capacity: Supports a large number of local (rack) I/O points as well as extensive distributed I/O via the Genius network.

• Programming Language: Supports ladder logic, statement list, and other IEC 61131-3 languages via GE’s Proficy Logic Developer software.

Advantages and Core Features

The primary advantage of the GE IC697CPX928-CD is the powerful integration of a central PLC processor with a deterministic, industrial-hardened distributed I/O network. This integration simplifies system architecture by eliminating the need for a separate Genius communication module, saving a slot in the main rack. The built-in Genius controller provides fast and reliable I/O scanning for distributed devices, which is critical for synchronized control across large plants. The CPU offers strong processing capability for complex algorithms and logic, comprehensive diagnostic features, and robust data handling. The IC697CPX928-CD is designed for high reliability in demanding industrial environments.

Application Scenarios

This CPU was deployed as the main controller in large, distributed automation systems:

• Automotive Manufacturing: Controlling entire body-in-white or paint shop lines with hundreds of distributed I/O points across robots, welders, and conveyors.

• Material Handling Systems: Managing large airport baggage handling networks or parcel distribution centers with I/O spread over vast distances.

• Water/Wastewater Treatment Plants: Acting as the central controller for a large facility with remote pump stations and filter beds connected via Genius LAN.

• Food & Beverage Processing: Controlling major production lines with distributed I/O for valves, motors, and sensors.

Comparison with Competing Products

During its active period, the GE IC697CPX928-CD competed with high-end PLCs like the Allen-Bradley PLC-5/80 with remote I/O and Siemens Simatic S5-155U with PROFIBUS. Its key differentiator was the seamless, high-performance integration of the Genius LAN, which was often compared favorably to Allen-Bradley’s Data Highway and Remote I/O for robustness and ease of configuration. Compared to newer PACs and controllers, the IC697CPX928-CD is a legacy product that represents the pinnacle of the 90-70 series, valued for its proven stability in complex, distributed applications.

Selection Guide and Important Notes

Selecting the GE IC697CPX928-CD is now primarily for maintaining or replicating an existing Series 90-70 system with a Genius network. It is not a choice for new designs.

Important Precautions:

• Legacy Status: The Series 90-70 platform and this CPU are discontinued. Availability is limited to the refurbished/surplus market.

• Memory and Feature Suffix: The -CD suffix is critical and indicates a specific memory configuration and feature set. It must match the requirements of the existing application program.

• Genius Network Planning: The integrated Genius network requires careful design, including device addressing, cable type (Belden 9463), and proper termination.

• Firmware and Software: The CPU requires specific firmware and is programmed using legacy software (Proficy Machine Edition Logic Developer). Compatibility must be ensured.

• Migration Path: For system upgrades, planning a migration to a modern platform like Emerson’s PACSystems RX3i or a competitor’s equivalent is strongly recommended.

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