The IC697CPU782 is a 16 MHz floating-point processor for the GE Fanuc Series 90-70 PLC. It features an 80386DX microprocessor, supports 12K discrete I/O, and provides high-speed execution for complex automation tasks.
The GE Fanuc IC697CPU782 is a high-performance 16 MHz central processing unit featuring an 80386DX microprocessor and native floating-point math support for complex Series 90-70 PLC applications.
The GE Fanuc IC697CPU782 operates as a high-tier central processing unit for the Series 90-70 PLC platform. Engineers specifically utilize this module to handle complex arithmetic and high-density logic execution. Driven by an 80386DX microprocessor running at 16 MHz, this CPU executes Boolean functions at a rapid speed of 0.4 microseconds. Because the hardware includes integrated floating-point support, it excels in applications requiring Proportional-Integral-Derivative (PID) control and advanced mathematical modeling. Consequently, this processor acts as a mechanical necessity for heavy industrial sectors such as oil and gas, power generation, and chemical processing, where operators demand deterministic performance and precise analog regulation.
This processor module manages extensive data sets effectively, supporting up to 12 Kbytes of discrete I/O and 8 Kbytes of analog I/O points. Furthermore, the IC697CPU782 utilizes an expandable memory architecture that accommodates up to 512 KB of additional memory for enhanced program storage and data logging. To ensure system security and data integrity, the hardware incorporates a physical key switch for memory protection. This feature prevents unauthorized logic modifications and safeguards the process. Additionally, a dedicated lithium battery (IC697ACC701) maintains the volatile RAM for up to six months during power outages. As a result, critical process variables and user programs remain intact even during extended downtime.
The CPU interfaces via the VME C.1 standard backplane, which enables seamless communication with a wide array of smart option modules and high-speed I/O. For configuration, engineers program the unit through serial, parallel, or Ethernet interfaces using Proficy Machine Edition, VersaPro, or Logicmaster 90-70. Moreover, the ruggedized chassis design withstands operational vibrations of 1 G and mechanical shocks up to 15 G. This durability ensures long-term reliability in harsh industrial environments. Meanwhile, dedicated LED indicators on the front panel provide real-time feedback regarding CPU health, battery status, and communications activity. For optimal thermal management, the module operates efficiently in temperatures ranging from 0 to 60 Celsius.
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