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SKU 2177261  UPC 0799705792869

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Other Available Revisions for the IC693APU305 IC693APU305D

Common misspellings:
  • 1C693APU305
  • IC693APU3o5
  • IC693APU305

Product Description

IC693APU305 is an Input / Output processor module in the 90 – 30 series of PLCs made by GE Fanuc. The module delivers direct processing of rapid signal pulses required for control applications such as velocity measurement, fast response process control, material handling, marking as well as packaging. By direct processing, we imply that the module can sense inputs, process the input information and finally control outputs without having to communicate with a CPU.

For every CPU sweep the I/O processor communicates with the CPU through 32 discrete inputs (%I), 32 discrete outputs (%Q), 15 words of analog inputs (%AI) as well as 6 words of analog outputs (%AQ). The %AQ outputs are used by the CPU program to set up timer values or send other controlling parameters to the I/O Processor. The I/O is configured using a series 90-30 hand-held programmer, a logic master 90-30 or a VersaPro software. Usually, each configuration parameter is set to default which makes it suitable for many applications. Jumpers and DIP switches are not present on the module. Be sure to locate 6 green LEDs at the top of the module. These indicators display the module’s operating status, status of hardware outputs as well as the status of the configuration parameters.

The IC693APU305 module consists of 12 points of positive logic inputs delivering an input voltage of either 5 VDC or 10 to 30 VDC. Moreover, it has 8 positive logic outputs; 4 outputs with a current rating of 1 Amp and 4 configurable outputs with a rating of 0.5 Amps. All outputs are protected from damaged by a replaceable fuse. A dedicated processor provides 500 µs I/O update. There is a terminal board for connection during field wiring.  The module comes with LED indicators that indicate the status of outputs from 1 to 4 and module OK and Configured OK status. The module performs internal module diagnostics and has 32 range comparators (outputs returned in %I and %AI data). There are 4 strobe data registers with 2 indicating input pulse length or input spacing in ms.

Outputs are normally used to drive indicating light, relays, solenoids etc.  Power for operation of the module’s circuit registry comes from the 5 VDC bus located on the baseplate backplane. Power sources for the input and output devices should be supplied by the user or the +24 VDC isolated output the 90-series supply. All module’s configuration parameters are downloaded from the PLC to the I/O processor after passing the internal diagnostics test. Upon successful completion of the configuration process, the CONFIG OK LED will come ON. To make any alterations to the configuration parameters, a Logic master 90-30 programming software or a handheld programmer is used. Operation of the I/O processor is monitored by a watch dog time circuit. If the timer detects a module problem, it’ll force all outputs OFF and turn off the MODULE OK LED. 

Technical Information

 Module Features

Module features include:

           Up to 12 positive logic (source) inputs with input voltage range selection of either 5 VDC (TTL) or 10 to 30 VDC (non-TTL).

           Up to eight positive logic (source) outputs: four outputs with 1 amp rating and four configurable outputs with 0.5 amp rating

           Outputs protected by replaceable fuse (one fuse common to all outputs)

           Dedicated processor provides 500 s I / O update

           Counts per Timebase register for input rate measurement

           Total Counts register (32-bit) accumulates total counts received by module

           Four Strobe data registers for input position capture

           Two Timer data registers for indicating input pulse length or input spacing in milliseconds

           Thirty-two range comparators (outputs returned in %I and %AI data)

           Software configuration

           Internal module diagnostics

           Individual LEDs that indicate Module OK and Configured OK status

           Individual LEDs that indicate state of Outputs 1 through 4

           A removable terminal board for connection of field wiring.



Troubleshooting IC693APU305

Troubleshooting information is available on IC693APU305's website page; it also includes a datasheet user-manual and a wiring diagram.


Repair your IC693APU305

PDF Supply can repair your IC693APU305 in 3-5 business days. And PDF Supply stands by all of its repairs with a 1 year customer satisfaction warranty.


Maximum Limit of Position Offset


Configuring an IC693APU305 on VersaPro 2.03. APU function type as ABS-1024, which should allow a position offset of up to 1023. However, position offset is limited to 255 maximum. CME PLC LD Ver 3.0 has the same issue. Logicmaster 90-30 works fine and allows a position offset up to 1023 with ABS-1024. Similar problems exist with APU functions ABS-360 and ABS-512.


The upper limits in the database were incorrect. They have been corrected as of VersaPro 2.03 Special 5 and Machine Edition Logic Developer, PLC V4.0.


Customer Questions and Answers

  • Question:  What is an IC693APU305?  Answer:  The IC693APU305 is an I/O Processor Module for the Series 90-30.  The IC693APU305 provides direct processing of rapid pulse signals for industrial control applications.
  • Question:  What does the IC693APU305 allow you to do?  Answer:  The IC693APU305 is able to sense inputs, process the input information and control the outputs without needing to communicate with a CPU.
  • Question:  How are the inputs and outputs used?  Answer:  Inputs can be used as count signals or edge-sensitive strobe singnals.  Outputs can be used to drive indicating lights, solenoids, relays and other devices.
  • Question:  What are some of the features of the IC693APU305?  Answer:  The IC693APU305's features include:
    • Up to 12 positive logic inputs
    • Up to 8 positive logic outputs
    • Outputs protected by replaceable fuse
    • Counts per Timebase register for input rate measurement
    • Individual LEDs that indicate Module OK and Configured OK status
    • Individual LEDs that indicate state of Outputs 1-4
  • Question:  With what methods can the IC693APU305 be configured?   Answer:  There are two methods for configuring the I/O Processor:
    • The Hand-held Programmer can be used for on-line configuration when module is installed in its selected slot in a 90-30 baseplate.
    • Off-line configuration can be accomplished using the Logicmaster 90 Configurator software.
  • Question:  What if my IC693APU305 is not working correctly?  Answer:  Then your product may be in need of repair

For more information on the IC693APU305 I/O Processor Module of the GE 90-30 Series, please see the Datasheet Manual.





Upgrade Kit

New Features

Problems Resolved

D, B






See GFK-1051C.









%I Bit Indications TTL Input Configuration

Negative Direction Configuration Non-Zero Offset Value






CE Mark approval







Initial Product Release



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