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SKU 2177257  UPC 023663132055

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Common misspellings:
  • 1C693CPU340
  • IC693CPU3A0
  • IC693CPU34o
  • IC693CPU340

Product Description

IC693CPU340 is a one slot CPU 340 Module with 32 Kbytes User Memory and 10K Registers. It has one CPU baseplate and four expansion baseplates for each system.The IC693CPU340 has a power supply that needs a load of 350 milliamps from +5 VDC supply. It uses processor 80188 that has a processing speed of 10 MegahertzOperating Temperature of IC693CPU340 is 0 to 60 degrees C (32 to 140 degrees F) ambient. Usually, the Scanning Rate of IC693CPU340 is 0.3 milliseconds per 1K of logic (Boolean contacts).  Firmware as the highest User Program Memory gives out 9.0, 240K Bytes. The exact size of the present user program memory relies on the number designed for the %R, %AI, and %AQ composed word memory types. It also has discrete input and discrete output points of 512.The CPU 340 has a Discrete Global Memory -%G of 1280 bits

The IC693CPU340 Analog Inputs-%A1 and Analog output-%AQ consist of 128 words and 64 words respectively. Further, it comprises of a system register with 16 words that can only be used to reference table viewing and does not allow referencing in the user logic program.  The time count for the module is normally 680 with the existence of a shift register. The module has Built-in Ports 1 (uses the connector on PLC power supply).This port holds up the SNP/SNP-X slave protocols which need CMM module for SNP/SNP-X master. In terms of Communication, it has a LAN – guide multidrop. It also offers assistance to Ethernet, FIP, Profibus, GBC, GCM and GCM+ option modules. IC693CPU340 uses RAM and optional Flash as memory storage in order to store the necessary data.

Technical Specifications

Processor Speed : 20 MHz
I/O Points : 512
Register Memory : 19.9KBytes
Floating Point Math:  No
16 BIT system  
Processor: 80C188XL


Technical Information


CPU340 Catalog Number IC693CPU340


CPU Type

Single slot CPU module






Total Baseplates per System

5 (1 CPU baseplate + 4 expansion and/or remote)

Load Required from Power Supply

490 milliamps from +5 VDC supply

Processor Speed

20 MegaHertz

Processor Type


Operating Temperature

0 to  60 degrees C (32 to 140 degrees F) ambient

Typical Scan Rate

0.3 milliseconds per 1K of logic (boolean contacts)

User Program Memory (maximum)

32K Bytes

Discrete Input Points - %I

Discrete Output Points - %Q



Discrete Global Memory - %G

1280 bits

Internal Coils - %M

1024 bits

Output (Temporary) Coils - %T

256 bits

System Status References - %S

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

Register Memory - %R

9999 words

Analog Inputs - %AI

1024 words

Analog Outputs - %AQ

256 words

System Registers (for reference table viewing only; cannot be referenced in user logic program)

16 words (%SR)



Shift Registers


Built-in Ports

1 (uses connector on PLC power supply). Supports SNP/SNP-X slave protocols. Requires CMM module for SNP/SNP-X master, CCM, or RTU slave support; PCM module for RTU master support.


LAN - Supports multidrop. Also supports Ethernet, FIP, Profibus, GBC, GCM, GCM+ option modules.



Battery Backed Clock




Type of Memory Storage

RAM and optional Flash

PCM/CCM Compatibility














5-32 Series 90-30 PLC Installation and Hardware Manual – August 2002 GFK-0356Q


Troubleshooting IC693CPU340

Troubleshooting information is available on IC693CPU340's website page; it also includes a datasheet user-manual and a wiring diagram.


Repair your IC693CPU340

PDF Supply can repair your IC693CPU340 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 IC693CPU340?  Answer:  The IC693CPU340 is a single-slot Central Processing Unit from the GE Fanuc Series 90-30. This unit is the "brains" of the PLC and is where most of the calculations take place.
  • Question:  What's the first thing you should do when testing your IC693CPU340?  Answer:  When you attach the IC693CPU340 to a 5 or 10 slot rack and power it up, you should be checking for an OK light.
  • Question:  What if I do not have an OK light after I have powered it up?  Answer:  If you don't have an OK light, then you won't be able to follow through with the test. The lack of an OK light indicates, right from the start, there is something wrong with your IC693CPU340.
  • Question:  What is this initial test showing?  Answer:  You're basically turning on the configuration and logic in this processor in order to set it to run mode. You want to see that this is a good working processor.
  • Question:  With what software should I test my IC693CPU340?  Answer:  You can test your IC693CPU340 with Proficy Machine Edition. 
  • Question:  What will I need to test my IC693CPU340?  Answer:  All you will need is your IC693CPU340, a 5 or 10 slot rack, and a power supply.
  • Question:  If I think there is a problem with my processor, what should I do?  Answer:  You should, first, make sure the RUN light comes on and then let the processor run overnight (or even 2-3 days). This is to check that it's able to sustain itself in run mode. (You want to make sure it doesn't fail or fall out of run mode for any reason.) If it does fail or fall out of run mode, then you can try reading the faults or errors through the Proficy Machine Edition software. It may give you enough information to help you fix the problem. 
  • Question:  If I can't figure out how to fix my IC693CPU340, what is my next step?  Answer:  PDF Supply can repair your IC693CPU340 for you. 

For more information on the IC693CPU340 Central Processing Unit of the GE 90-30 Series, please see the Datasheet Manual. 






Upgrade Kit

New Features

Problems Resolved







  • ALT-S in Stop Mode
  • HHP Overrides
  • HHP Coil Use
  • HHP Subroutines






  • Bumpless Run Mode Store
  • PID Function Block Enhancement
  • Write Datagram
  • Zeroing Input Data of a Failed Module
  • Storing Folder to EEPROM






  • Multiple Backplane and SNP Sessions
  • Storing a Maximum Size Program Block
  • PCM Message Traffic
  • Special Register 15
  • Adding Smart Modules
  • Repetitive Fault Reporting
  • Reconfiguring Smart I/O Modules
  • Multiple Channel Connections
  • Update Utility Error Messages
  • Configuring Smart Modules with the HHP
  • Verifying RAM with Flash
  • HHP Display with Heavy Mail Traffic
  • Power Loss During Write to Flash
  • Rack Type Mismatch
  • PLC Software Fault
  • SFC Reset
  • SNPX Interrupted Message







  • SNPX Power-Cycle Recovery
  • PCM Loss Fault






  • CE Mark approval








  • DINT Function Block with Constant Parameter
  • Clearing I/O Fault Table with GBC Present but not Configured
  • Data Errors Scanning Analog and Remote Modules






  • BEM331 Genius Bus Controller
  • Sequential Function Chart Programming
  • Automatic Baud Rate Detection
  • Katakana HHP Display
  • ADS Fault Access
  • Saving Register 2049
  • PLC State After Error During Device Read
  • SNP Conformance
  • SNPX Access to System References
  • Periodic Subroutine Interval
  • Noise Immunity
  • Store Fault Registration Delay
  • Brown-Out During SNPX Session
  • OIT Response
  • Day of the Week
  • Modem Turnaround Time


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.