GE IC698CPE020-CC

Description

Product Description

GE IC698CPE020-CC is a high-performance Central Processing Unit (CPU) module for the GE Fanuc Series 90-70 PLC system, also marketed as the RX7i platform. This module, the IC698CPE020, serves as the primary logic solver and system manager for the entire control rack. Its core function is to execute the user-programmed control logic, manage all communications with local and remote I/O (including Genius and Profibus), coordinate data exchange with HMIs and other controllers, and handle system diagnostics. The -CC suffix is a commercial designation, while the CPE020 defines its performance tier (indicating a mid-range processor within the CPE family). The selection of a CPU like the GE IC698CPE020-CC determines the system’s program capacity, execution speed, I/O handling capability, and communication features. For engineers designing complex automation systems, the IC698CPE020-CC represents a powerful and scalable control engine within a mature and robust hardware platform.

Product Parameters / Technical Specifications

• Manufacturer: GE Fanuc (now part of Emerson)
• Series: Series 90-70 / RX7i PLC System
• Functional Designation: Central Processing Unit (CPU)
• Processor: Features a high-speed microprocessor optimized for real-time control logic execution.
• Memory: Includes both user logic memory and data register memory. The “020” typically denotes a specific memory size (e.g., 512K or 1M bytes of user logic).
• I/O Capacity: Supports a large number of local VME I/O points and remote I/O points via Genius, Profibus-DP, or Ethernet I/O scanners.
• Communication Ports:
  • Serial Port(s): RS-232/485 ports for programming, HMI connection, or Modbus RTU master/slave communication.
  • Ethernet Port: 10/100BASE-T Ethernet port for programming (SRTP), peer-to-peer messaging, and network connectivity.
• Execution Speed: Capable of fast, deterministic scan times suitable for complex process control and high-speed applications.
• Real-Time Clock: Integrated battery-backed clock for time-stamping events.
• Compatibility: Mounts in a VME-based IC698 chassis (e.g., IC698CHSxxx) and is programmed with GE Proficy Machine Edition software.

Advantages and Key Features

• High Performance for Complex Logic: Designed to handle large control programs with extensive math, data manipulation, and PID loop control efficiently.
• Extensive I/O and Network Support: Native support for the high-speed VME backplane and multiple industrial networks (Genius, Profibus, Ethernet) allows for building large, distributed control systems.
• Deterministic Operation: Provides predictable and repeatable scan cycles, which is critical for precise sequencing, interlocking, and regulatory control.
• Hot Standby Redundancy Support: The 90-70 platform, with CPUs like the IC698CPE020-CC, can be configured in a hot standby redundant pair, ensuring maximum system availability for critical processes.
• Robust Industrial Design: Built for reliable 24/7 operation in demanding environments with resistance to temperature, vibration, and electrical noise.
• Mature and Proven Ecosystem: Benefits from a vast library of existing application code, expertise, and a wide range of compatible I/O and special function modules.

Application Cases in Industry

• Large-Scale Process Automation: Serves as the primary controller for continuous processes in chemical plants, oil refineries, and pharmaceutical manufacturing.
• Power Generation (Balance of Plant): Controls complex auxiliary systems such as coal and ash handling, flue gas desulfurization (FGD), and large water treatment plants.
• Metals Production: Manages automation for rolling mills, blast furnace charging systems, and continuous casting lines requiring high-speed logic and coordination.
• Major Infrastructure Systems: Used in control systems for large airport baggage handling networks, automated distribution centers, and water/wastewater treatment facilities.

Comparison with Competing Products

Selection Suggestions and Precautions

1. Legacy System Consideration: The Series 90-70 platform, including the GE IC698CPE020-CC, is a discontinued product line. Selection should be primarily for spare part replacement in existing systems or for niche legacy expansions, not for new greenfield projects.
2. Memory and I/O Capacity Verification: Ensure the CPU’s memory capacity (user logic and data) is sufficient for your existing or planned application. Also, verify that the supported I/O point count meets your system requirements.
3. Firmware Version Compatibility: The CPU’s firmware version must be compatible with the programming software version (Proficy ME) and the firmware of all connected I/O, communication, and special function modules in the system.
4. Battery Backup is Critical: The IC698CPE020-CC uses a lithium battery to retain the program and real-time clock during power outages. Always replace this battery on a scheduled basis and verify the program is backed up before doing so. A dead battery results in complete program loss.
5. Application Backup Before Any Work: Always have a verified, recent backup of the controller’s complete program and configuration before performing any maintenance, replacement, or power cycle. The program is stored in volatile RAM.
6. Sourcing from Specialized Legacy Suppliers: Given its status as a critical discontinued component, source the GE IC698CPE020-CC from suppliers who specialize in GE PLC systems and can provide testing assurance, firmware version details, and compatibility guarantees.

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