GE IC698CPE020-GM

Overview

The GE IC698CPE020-GM is a high-performance Central Processing Unit (CPU) module from the GE Fanuc PACSystems RX7i platform. The CPE020 is designed for demanding PLC control applications where fast program execution, substantial user memory, and integrated communications are required.

The -GM suffix identifies a specific firmware and Ethernet revision of the CPE020 family. Available documentation lists the GM revision with CPU version 3.5 and Ethernet version 3.81.

As the processing core of an RX7i control system, the module executes PLC logic, manages I/O data, handles communications, and coordinates automation tasks across the VME-based control architecture.

Core Specifications

Specification	IC698CPE020-GM Details
Manufacturer	GE Fanuc / General Electric
Product Family	PACSystems RX7i
Model	IC698CPE020
Revision	-GM
Module Type	CPU / Central Processing Unit
Processor	700 MHz CPU
Floating Point	Supported
Program Memory	Up to 10 MB RAM and 10 MB non-volatile Flash
Serial Interfaces	3 independent serial ports
Ethernet	Embedded 10/100 Mbps Ethernet
Ethernet Connector	Dual RJ-45 interfaces
VME Compatibility	VME64 / ANSI-VITA 1
Operating Temperature	0 to 60°C with required fan tray
Program Blocks	Up to 512
Maximum Program Block Size	128 KB

The published RX7i documentation confirms the 700 MHz processor, integrated Ethernet, three onboard serial ports, VME64 compatibility, and memory architecture of the CPE020 platform.

Processing and Communication Capabilities

One of the main strengths of the IC698CPE020 is its combination of processing performance and built-in communication functions. The 700 MHz processor was designed to handle relatively complex PLC programs and large automation tasks within the RX7i architecture.

The CPU provides three independent onboard serial ports. Ports 1 and 2 can communicate with external devices and can also be used for firmware-related operations, while the third serial interface serves the Ethernet Station Manager function. The serial interfaces are isolated, providing a practical communication arrangement for industrial applications.

The embedded Ethernet interface supports 10 Mbps and 100 Mbps operation and provides two RJ-45 physical connections. Ethernet functionality includes industrial data exchange and station-management capabilities, while supported serial protocols include Modbus RTU Slave, SNP, and Serial I/O.

Architecture and Memory

The CPE020 is installed as part of a PACSystems RX7i control platform and works with the system backplane and associated VME-based modules. The architecture was designed around the VME64 standard, allowing the CPU to operate with compatible I/O and control modules.

Its memory resources include up to 10 MB of battery-backed RAM and 10 MB of non-volatile Flash memory for firmware and user data. The controller can support up to 512 program blocks, with an individual program block size of up to 128 KB.

The module also supports floating-point operations, making it suitable for applications involving calculations, process values, and control algorithms that require more than basic Boolean processing.

Industrial Applications

The GE IC698CPE020-GM can be used as the central controller in a variety of industrial automation systems. Typical applications include:

• Factory and production-line automation
• Process control systems
• Machine control
• Material handling equipment
• Industrial communication systems
• Power and utility automation
• Large-scale PLC control cabinets
• Legacy PACSystems RX7i installations
• Equipment modernization and maintenance projects

Its integrated Ethernet and serial communication capabilities make it particularly useful where the PLC needs to exchange information with HMIs, supervisory systems, drives, remote devices, or other controllers.

Installation and Replacement Considerations

When installing or replacing an IC698CPE020-GM, technicians should first confirm the complete part number and revision. The -GM version belongs to an earlier CPE020 firmware generation, so firmware compatibility should be considered when integrating the module into an existing RX7i system.

The CPE020 requires appropriate cooling, with documentation specifying 0 to 60°C operation when the required fan tray is installed. Power requirements and battery-backed memory should also be checked during maintenance.

Before replacement, verify the application program, firmware version, Ethernet configuration, serial-port assignments, battery condition, and communication settings. During servicing, use proper ESD protection and follow the system's approved shutdown and installation procedures.

For companies maintaining legacy GE Fanuc automation equipment, the GE IC698CPE020-GM is an important RX7i CPU spare for maintaining existing control infrastructure and reducing downtime caused by CPU failure.

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