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SKU 2173468  UPC 096504583644

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Technical Specifications for IC693CPU374

ManufacturerGE Fanuc
SeriesSeries 90-30
Part NumberIC693CPU374
Product TypeSingle-slot CPU with Ethernet controller
User Memory240 KB
Speed10/100 Mbps
Processor Speed133 Mhz
Temperature0-60 degrees Celsius
Power Rating7.4 Watts
Temperature0-60 degrees Celsius
System Registers28
Voltage5 Volts DC

Product Information  

  • General: The GE Fanuc IC693CPU374 is a single-slot CPU module with a processor speed of 133 MHz. This module is embedded with an Ethernet interface.


  • Memory: The total user memory used by the IC693CPU374 is 240 KB. The actual size associated with program memory for the user primarily depends on the configured memory types, such as Register memory (%R), Analog input (%AI) and Analog output (%AO). The amount of memory configured for each of these memory types is 128 to around 32,640 words.


  • Power: The power required for the IC693CPU374 is 7.4 watts from 5V DC voltage. It also supports a RS-485 port when the power is supplied. The protocol SNP and SNPX are supported by this module when the power is supplied through this port.


  • Operation: This module is operated within the ambient temperature range of 0°C to 60°C. The temperature required for the storage is in between -40° C and +85°C.


  • Features: The IC693CPU374 is equipped with two Ethernet ports, which both have auto sensing capabilities. This module has eight baseplates for each system, including a CPU baseplate. The remaining 7 are expansion or remote baseplates and are compatible with a programmable communication coprocessor.


  • Battery: The IC693CPU374 module’s battery backup can run for several months. The internal battery can serve as the power supply for up to 1.2 months, and an optional external battery can support the module for a maximum of 12 months.

The Series 90-30 IC693CPU374 module is a GE Fanuc-manufactured single-slot CPU (AMD SC250) with an embedded Ethernet controller. This CPU 374 module comes with 240 KB of user configurable memory, 4K I/O, and 8 racks. The embedded Ethernet controller supports communication speeds of up to 100 Mbps and it comes with a built-in switch. It supports both SRTP and Ethernet global data along with the Modbus/TCP client/server protocol. No serial ports are present in this module. The processor comes with 133 Mhz of speed with a typical scan rate of 0.15 milliseconds per 1K of logic. It comes with both RAM and Flash memory for storage. The IC693CPU374 module has a power rating of 7.4 Watts and it is supplied with 5 Volts DC voltage. The environmental temperature should be set between 0 and 60 degrees Celsius for operation. When not in use, it can be stored at a temperature between -40 and 85 degrees Celsius.


The GE Fanuc Series 90-30 IC693CPU374 module comes with 2048 fixed discrete input and output points. It has a discrete global memory capacity of 1280 bits. The register memory of the module can be configurable anywhere from 128 to 32640 words. There are 28 fixed system registers present in the CPU with timers and counters. The CPU module is battery backed and it powers the system clock and the RAM. The IC693CPU374 module is equipped with a CPU baseplate and 7 expansion or remote baseplates. The CPU supports different programming languages and it can work with floating point data. It can be configured by using the VersaPro or CIMPLICITY machine edition logic software.

Technical Information


Controller Type

Single slot CPU module with embedded Ethernet Interface



Processor Speed

133 MHz

Processor Type


Execution Time (Boolean Operation)

0.15 msec per Boolean instruction

Type of Memory Storage

RAM and Flash



User Memory (total)

240KB (245,760) Bytes

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 32,640 words

Analog Inputs - %AI

Configurable 128 to 32,640 words

Analog Outputs - %AQ

Configurable 128 to 32,640 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 of 5VDC. High Capacity power supply required.

Hand Held Programmer

CPU374 does not support Hand Held Programmer

Program Store Devices supported

PLC Program Download Device (PPDD) and EZ Program Store Device

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 CPU374. Supports RS-485 port on power supply.

Protocol Support

SNP and SNPX on power supply RS-485 port

Built-in Ethernet Communications

Ethernet (built-in) – 10/100 base-T/TX Ethernet Switch

Number of Ethernet Ports

Two, both are 10/100baseT/TX ports with auto sensing. RJ-45 connection

Number of IP Addresses



SRTP and Ethernet Global Data (EGD) and channels (producer and consumer); Modbus/TCP Client/Server

EGD Class II Functionality (EGD Commands)

Supports acknowledged singe command transfers (sometimes referred to as “datagrams”) and Reliable Data Service (RDS – a delivery mechanism to make sure a command message gets through once and only once).

SRTP Channels

Up to 16 SRTP Channels

Up to 36 SRTP/TCP connections total, consisting of up to 20 SRTP Server connections and up to 16 Client Channels.

Web Server Support

Provides basic Reference Table, PLC Fault Table, and IO Fault Table data monitoring over the Ethernet network from a standard web browser

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Email us at sales@pdfsuply.com or Request a Formal Quote for IC693CPU374

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Troubleshooting IC693CPU374:


Troubleshooting information is available on IC693CPU374's website page;

it also includes a datasheet user-manual and a wiring


Repair your IC693CPU374:


PDF Supply can repair your IC693CPU374 in 3-5 business days.

And PDF Supply stands by all of its repairs with a 1 year customer satisfaction warranty.


Missing Web and FTP Components




This is for IC693CPU374 PLUS, only.

If you do not have these components in Proficy Machine Edition project:

Under the Ethernet TAB, for your CPU

Max number of web server connections - Missing

Max number of FTP server connections - Missing

the version of VersaPro 2.04 or less.

This functionality is not supported in VersaPro. OR You are working with a project that was imported from a VersaPro Configuration.



For this functionality, create the project in Machine Edition 5.5.

OR Note the CPU configuration. In Machine Edition 5.5, remove the CPU from the Hardware Config, add the CPU to the hardware config.


Reasons Why Modbus TCP Client Does Not Work for 90-30 CPU374




Common items to check before implementing Modbus TCP Client for 90-30 CPU374

: Ensure CPU374 firmware is at 12.10 or later. Release 12.10 firmware added support for Modbus TCP Client.

Proficy Machine Edition used to configure the PLC must be at version 5.60 SIM9 or later.


Common Problem:

" Upgraded CPU374 firmware to 12.10 (or later) and have updated

Machine Edition to 5.60 SIM9 (or later), but Modbus TCP Client still does not work. Why? "

If the PLC project was created with a version prior to 5.60 SIM9, the CPU374 in the hardware configuration

must be replaced and added in again as it won't have the "Modbus TCP Address Map" tab in the configuration parameters.;

Restoring a project (created before 5.60 SIM9) in 5.60 SIM9 or later won't enable the Modbus TCP Map tab,

the module must be replaced and added in again by right clicking on the CPU module and choosing "Replace Module" and selecting IC693CPU374.

See attached which shows how the CPU374 configuration appears in a project created before 5.60 SIM9 and one created with 5.60 SIM9 or later.


Series 90-30 WEB Enabled CPU374 Plu



The firmware revision D (IC693CPU374-Dx) and earlier are not compatible with WEB enabled CPU374 Plus.

Firmware updates are not compatible with the D revision or earlier versions.

The CPU374 revision E (IC693CPU374-Ex) and later are the enabled Plus versions



Differences between New CPU374 Plus and existing CPU374

New Ethernet microprocessor with improved multicast data filtering for applications that have excessive network traffic

Support Channels (Producer and Consumer), EGD (Modbus TCP is a future release)

Supports PLC data monitoring over the web. Allows a combined total of up to 16 web server and FTP connections.


Web pages that display Reference Table data, PLC Fault Table contents, and IO Fault Table contents.


 Need more help?

Email us at sales@pdfsuply.com or Request a Formal Quote for IC693CPU374

All orders placed Monday - Friday before 3:30pm EST will be shipped same day.

Free UPS Ground Shipping!  


Customer Questions and Answers

Question: What is an IC693CPU374?

Answer: The IC693CPU374 is a single-slot Central Processing Unit with an embedded Ethernet Interface.

This unit is the "brains" of the PLC and is where most of the calculations take place.


Question: What is the processor speed for IC693CPU374?

Answer: 133 MHz


Question: What is the total user memory for IC693CPU374?

Answer: 120Kz


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: Are there built-in Ethernet ports on IC693CPU374?

Answer: Yes. (2) RJ-45


Question: Does IC693CPU374 support the Hand Held Programmer?

Answer: No.


Question: What power supply does IC693CPU374 require?

Answer: IC693CPU372 requires a high capacity power supply.


Question: What should I do if my IC693CPU374 is not working?

Answer: Your product may need repair.

*For more information on the IC693CPU374 Central Processing Unit of the GE 90-30 Series, please see the Datasheet Manual.

Need more help?

Email us at sales@pdfsuply.com or Request a Formal Quote for IC693CPU374

All orders placed Monday - Friday before 3:30pm EST will be shipped same day.

Free UPS Ground Shipping!  


CPU374 PLUS Release History



Firmware Versions








Jul. 2013




May 2012




Apr 2012




Feb 2012




Oct 2011




Mar 2010




Sep 2009




May 2009




Jan 2008




Jul 2007




Apr 2006




Dec 2005




Nov 2005




Sep 2005




Jun 2005

Need more help?

Email us at sales@pdfsuply.com or Request a Formal Quote for IC693CPU374

All orders placed Monday - Friday before 3:30pm EST will be shipped same day.

Free UPS Ground Shipping!  


PDFsupply Tech

The IC693CPU374 GE Fanuc CPU module has a processing speed of 133 MHz which much higher than the IC693CPU363, which has a processing speed of only 25 MHz. This GE Fanuc processor also has 240 KB of user memory.

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

Common related search terms: BatteryBuyConfigurationDatasheetEmersonFirmwareManualPriceRepairSpecificationTroubleshootWiring


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Rockwell Disclaimer: The product is used surplus. PDF Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because PDF Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, PDF Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. PDF Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. PDF Supply also makes no representations as to your right to install any such firmware on the product. PDF Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.