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SKU 2172409  UPC 099653196284

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Product Description

The IC693CPU370 is a high performance Central Processing Unit. This unit is the "brains" of the PLC and is where most of the calculations take place. The GE Fanuc IC693CPU370 has CPU firmware stored in flash memory. This CPU unit is for entry-level applications that have low I/O counts. As the CPU is embedded into the backplane, all the slots are available for either input or output devices.

The model 370 is compatible with a range of advanced modules. This includes control, Ethernet and various bus modules.  The mid-range models are modular and available in different memory sizes. The range also has different performance capabilities and increased functionality. For example, the units have features like override, a battery-backed clock and support for a Programmable Coprocessor.

High-performance CPU modules have a design that is based on the latest 386EX processor. This allows for fast computation and high throughput. These units are able to handle up to 4,096 I/O points and they start at 32K of memory. Furthermore, they are programmable in a number of standard languages. The IC693CPU370 module has 2048 analog points. It is a 32-bit system that requires a high-capacity power supply to operate. It has a processor speed of 133 Mhz and a register memory of 240 kB. 

Technical Specifications

Processor Speed : 133 MHz
I/O Points : 2048
Register Memory : 240KBytes
Floating Point Math:   Yes
32 BIT system  
Processor: 80386EX


Technical Information


Controller Type

Single slot CPU module



Processor Speed

133 MHz

Processor Type


Execution Time (Boolean Operation)

0.12 msec per Boolean instruction

Type of Memory Storage

RAM and Flash



User Memory (total)


Note: Actual size of available user program memory depends on the amounts configured for %R, %AI, and %AQ word memory types.

Discrete Input Points - %I

2,048 (fixed)

Discrete Output Points - %Q

2,048 (fixed)

Discrete Global Memory - %G

1,280 bits (fixed)

Internal Coils - %M

4,096 bits (fixed)

Output (Temporary) Coils - %T

256 bits (fixed)

System Status References - %S

128 bits (%S, %SA, %SB, %SC - 32 bits each) (fixed)

Register Memory - %R

Configurable 128 to 16,320 words

Analog Inputs - %AI

Configurable 128 to 16,320 words

Analog Outputs - %AQ

Configurable 128 to 16,320 words

System Registers - %SR

28 words (fixed)


>2,000 (depends on available user memory)

Hardware Support


Battery Backed Clock


Battery Back Up (Number of months with no power)

1.2 months for internal battery (installed in the power supply) 15 months with external battery (IC693ACC302)

Load Required from Power Supply

7.4 watts at 5VDC. High Capacity power supply required.

Hand Held Programmer

CPU370 does not support Hand Held Programmer

EZ Program Store Device

Yes. Requires a CMM321 Ethernet module.

Total Baseplates per System

8 (CPU baseplate + 7 expansion and/or remote)

Software Support


Interrupt Support

Supports the periodic subroutine feature.

Communications and Programmable Coprocessor Compatibility




Floating Point Math

Yes, hardware floating point math

Communications Support


Built-in Serial Ports

No serial ports on CPU370. Supports RS-485 port on power supply.

Protocol Support

SNP and SNPX on power supply RS-485 port

Ethernet Communications

Supports the IC693CMM321 Ethernet Interface module

Environmental and Agency Specifications

Refer to Installation Requirements for Conformance to Standards, GFK-1179


Troubleshooting IC693CPU370

Troubleshooting information is available on IC693CPU370's website page; it also includes a datasheet user-manual and a wiring diagram.  

Repair your IC693CPU370

PDF Supply can repair your IC693CPU370 in 3-5 business days. And PDF Supply stands by all of its repairs with a 1 year customer satisfaction warranty.



Customer Questions and Answers

  • Question:  What is an IC693CPU370?  Answer:  The IC693CPU370 is a high performance Central Processing Unit. This unit is the "brains" of the PLC and is where most of the calculations take place.
  • Question:  What features does IC693CPU370 provide?  Answer:  It has high speed Boolean and non-Boolean processing provided by a 586-class 133MHz processor.
    • It has support for EZ Store Device that allows you to download a program without a PC. (Requires a CMM321 Ethernet module for programmer connection.)
    • It has 240KB of user memory.
    • It has support for Ethernet communications through an IC693CMM321 Ethernet Interface module allowing you to connect the PLC directly to an Ethernet LAN using TCP/IP via a user-supplied transceiver and AAUI cable. 
  • Question:  What power supply does IC693CPU370 require?  Answer:  IC693CPU370 requires a high capacity power supply.
  • Question:  Is there anything recommended for this processor?  Answer:  Yes, because the built-in battery is limited to 1.2 months of continuous power outage, an IC693ACC302 external battery is recommended.
  • Question:  What is the processor speed?  Answer:  133 MHz
  • Question:  Are there built-in serial ports on IC693CPU370?  Answer:  No.
  • Question:  What should I do if my IC693CPU370 is not working?  Answer:  Your product may need repair

For more information on the IC693CPU370 Central Processing Unit of the GE 90-30 Series, please see the Datasheet Manual. 



Firmware Version




Jul. 2013



Oct 2011



Mar 2010



Sep 2007

ST. LOUIS, Feb. 1, 2019 – Emerson today announced it has completed the purchase of Intelligent Platforms from General Electric.

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