IC697CPM790 GE System modules are selected with confidence

Product Details

Product Description

Product Description
IC697CPM790 GE System modules are selected with confidence
IC697CPM790 GE System modules are selected with confidence
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Features

Single slot CPU

Provides 1 Mbyte of battery-backed memory in the
same slot (up to 512 Kbytes available for use by
ladder diagram application program)

Supports floating point calculations

Up to 12K discrete inputs and outputs (any mix -
simplex mode only); 2048 voted discrete inputs, 2048
voted discrete outputs
Up to 8K analog inputs (simplex mode only) and
8K analog outputs (simplex mode only); 1024 voted
analog inputs

0.4 microseconds per boolean function

64 MHz, 80486DX2 microprocessor

Supports IC660/IC661 I/O (and IC697 I/O in simplex mode only)

Programmed by MS-DOS, or Windows software
products running on Windows 95 or Windows
NT over Ethernet TCP/IP or through the SNP
port.

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 (No DIP switches
or jumpers)

Reference information inside front door

In-system upgradable firmware
Functions
The CPM 790 is a single slot programmable controller
CPU which allows floating point calculations. The CPM
790 is programmed and configured with MS-DOS or
Windows based programming software for use in
Emergency Shut-Down (ESD), fire and gas, and other
critical control applications. It communicates with I/O
and smart option modules over the rack mounted
backplane (IC697CHS750, 782, 783, 790, 791) by way of
the VME C.1 Standard format.
The CPM 790 must be used in conjunction with a
Standalone C program which provides Triple Modular
Redundancy (TMR) operating and autotest routines. It
will not operate unless this program is included in the
loaded application program.
The IC697 CPU and I/O system is configured with
MS-DOS or Windows based programming software.
There are no DIP switches or jumpers used to
configure the system. The CPU verifies the actual
module and rack configuration at power-up and
periodically during operation. The actual
configuration must be the same as the programmed
configuration. Deviations are reported to the CPU
alarm processor function for configured fault
response. Consult Reference 1 for a description of
configuration functions.
Battery
A lithium battery (IC697ACC701) is installed as shown
in Figure 2. This battery maintains program and data
memory when power is removed and operates the
calendar clock. Be sure to install the new battery
before removing the old battery. If during power-up
diagnostics a low battery is detected, the MODULE
OK LED (top LED) will not stay on. Specific
indication of a low battery state is detailed in
Reference 2.