IC697CSE924 - 64 MHz, 32-Bit Floating Point State Logic Central Processing Unit

IC697CSE924 is a 64 MHz, 32-bit floating point central processing unit (CPU) designed to support State Logic control programming and real-time control in various automation applications.

Key Features

    State Logic control programming support
    Floating point calculation capabilities
    Single-slot CPU
    12K digital I/O (any mix)
    8K analog I/O capacity
    0.4 microseconds per boolean function
    64 MHz, 80486DX2 microprocessor
    Supports IC660/IC661 and IC697 I/O modules
    Programmed by AD641 and IC641 (MS-DOS®) software
    512 Kbytes battery-backed memory in the same slot
    Configurable data and program memory
    Battery-backed calendar clock
    Three-position operation mode switch
    Password-controlled access
    Remote programmer keyswitch memory protection
    Four status LEDs
    Software configuration without DIP switches or jumpers
    In-system upgradable firmware

Functions

The IC697CSE924 CPU supports State Logic, Relay Ladder Logic, and C programming, providing control for machines, processes, and material handling systems. The CPU is programmed using AD641 software for State Logic and IC641 (MS-DOS®) software for Relay Ladder Logic and C programming. The IC641 software is also responsible for all configuration tasks.

This CPU communicates with I/O and smart option modules through the rack-mounted backplane (IC697CHS750, 782, 783, 790, 791), utilizing the VME C.1 Standard format. The memory for program and data storage is provided by an integral 512 Kbytes battery-backed CMOS RAM, which comes with the CPU module.

Installation

Safe and reliable installation of the IC697CSE924 is critical for proper operation. The following steps outline the installation process:

    Connect the battery to one of the module's battery connectors.
    Set the toggle switch to STOP.
    Set the keyswitch to Memory Protection OFF.
    Ensure the rack power is off.
    Install the module in slot 1 of rack 0.
    Turn on power.

Upon powering up, the top LED should blink. Once diagnostics are successfully completed, the LED stays on, and the CPU is ready for programming. After verification, the toggle switch can be moved to the appropriate operation mode.

Serial Port and Communication

The CPU features an RS-485 compatible 15-pin D-connector serial port for communication, allowing connection to a programming computer or other serial devices through an RS-422/RS-485 to RS-232 converter or RS-232 to RS-422 Miniconverter (IC690ACC900 or IC690ACC901). Proper cables should be used to establish communication.

Configuration

Configuration of the IC697 CPU and I/O system is performed using the IC641 (MS-DOS®) programming software. There are no DIP switches or jumpers for system configuration. During power-up, the CPU verifies the actual module and rack configuration. Any deviations between the programmed and actual configurations are reported to the CPU alarm processor.

Battery Information

The lithium battery (IC697ACC701) powers the CPU’s memory and operates the calendar clock when power is removed. It is essential to install a new battery before removing the old one to prevent data loss. If a low battery is detected during power-up, the Module OK LED will not remain on.

Removing the Module

To safely remove the CPU module from its slot:

    Firmly grasp the board at the top and bottom.
    Press the rack clips to disengage the module from the rack.
    Pull the board out of the backplane connector and slide it along the card guide.

These steps ensure safe removal and reinstallation of the IC697CSE924 module.

>> GE Fanuc IC697CSE924 User manual (pdf)

++ Other 90-30 PLC modules

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