The General Electric IC697CPM790-DC is a high-performance Central Processing Unit (CPU) designed for the GE Fanuc 90-70 Series programmable logic controller platform. This module serves as the core intelligence for the control system, providing robust processing capabilities for demanding industrial automation applications.

Features

• Single-slot module design for efficient rack space utilization.
• Integrated 1 Mbyte of battery-backed memory for reliable program and data retention.
• Supports up to 12K discrete input and output points.
• Equipped with one serial port compatible with RS422/RS485 communication standards.
• Nominal current requirement of 3.3 Amps.

Technical Specifications

Installation Guidelines

• Ensure the PLC rack power is completely disconnected before attempting to install or remove the CPU module.
• Handle the module by the edges to prevent electrostatic discharge (ESD) damage to the internal circuitry.
• Verify that the module is fully seated in the designated rack slot and that the retaining screws are tightened to ensure a secure connection to the backplane.
• Maintain proper ventilation in the control cabinet to prevent overheating, keeping the module away from high-EMI sources such as large motor starters or variable frequency drives.
• Ensure the battery is properly installed and connected to maintain memory integrity during power cycles.

FAQ

What is the primary function of the IC697CPM790-DC?
This module acts as the CPU for the GE 90-70 PLC system, managing logic execution, I/O scanning, and communication tasks.

Does this module require a battery?
Yes, it features 1 Mbyte of battery-backed memory, which is essential for preserving the user program and data registers when power is removed.

Can this CPU communicate with external devices?
Yes, it includes one built-in serial port that supports RS422/485 protocols for integration with peripherals or other communication networks.