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. Supported option modules include IC697 LAN Interface modules, Programmable Coprocessor, Alphanumeric Display Coprocessor, Bus Controller for IC660/661 I/O products, Communications modules, I/O Link Interface, and all of the IC697 family of discrete and analog I/O modules.
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
