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GE CPU Module IC693CPU374

GE CPU Module IC693CPU374

Product Description

  • 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.

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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