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GE Fanuc Series 90-70

The rugged GE Fanuc Series 90-70 PLC system has been installed worldwide for over 20 years. The most common installations include paper mills, power plants, automotive facilities, and much more. The input/output system includes standard analog and digital cards, as well as third-party VME modules. The GE Series 90-70 was considered the first open-architecture PLC in the mid-1990s, hence its name: Series 90. As with all GE PLC systems, it connects to GE Genius I/O, utilizing a bus controller interface module.

GE Fanuc Series 90-70 Troubleshooting

Troubleshooting Guide for the GE Series 90-70 PLC System.

Welcome to PDF Electric and Supply Company troubleshooting series: Troubleshooting the GE Series 90-70 PLC System.

PDF Supply has a large inventory of GE 90-70 parts, and we've created this article to assist users with troubleshooting techniques.

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Product Information and Manuals

Frequently Asked Questions

What is the difference between the GE Fanuc IC697CPX935, IC697CPX782 and IC697CPX772 90-70 processors?
Memory, I/O capacity and price are the key differences between the IC697CPX935, IC697CPX782 and IC697CPX772 processors. This is also true with the IC697CGR935 and IC697CGR772 processors.
Regarding I/O modules, what's the difference between the IC697CGR935 and the IC697CGR772?
Both are Discrete I/O modules, but the IC697CGR935 is 12K with 1MB of Fixed Memory, while the IC697CGR772 is a 2K with 512K byte of Fixed Memory.
When comparing Analog Input modules, what's the difference between the IC697ALG230 and the IC697ALG320 modules?
The IC697ALG230 is an Analog Input module with 8 Channels, compared to the IC697ALG320 , which is an Analog Output module with 4 Channels.
In comparing Input modules, what's the difference between the IC697ALG440 and the IC697ALG441?
Both are 16 Channel Analog Input Expander modules, but the IC697ALG440 is Current, while the IC697ALG441 is Voltage.
What's the difference between the IC697PCM711 and the IC697CMM711?
While both are GE Intelligent Platform Coprocessors, the IC697PCM711 is a Programmable Coprocessor, while the IC697CMM711 is a Communications Coprocessor.