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GE Intelligent Platforms / GE Fanuc - RX3i PacSystem - IC694ALG233

SKU 0  UPC 00


New Surplus


1 In Stock

✓  3 Year PDF Supply Warranty

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Repair Service


5-10 Days

✓  2 Year PDF Supply Warranty

*What is Fast Repair?

Other Available Revisions for the IC694ALG233 IC694ALG233-AAIC694ALG233-BBIC694ALG233-LTIC694ALG233-RR

Common misspellings:
  • 1C694ALG233
  • IC69AALG233
  • IC694A1G233
  • IC694ALG233

Product Description

IC694ALG233 is a PACSystems RX3i Analog Current Input Module with 16 single-ended input channels. Each input is configurable using configuration software for three input ranges: 4 to 20 mA, 0 to 20 mA, and 4 to 20 mA Enhanced.

High and low alarm limits are offered on the three ranges. For the 4 to 20 mA Enhanced range, a low alarm limit can be initiated to detect input current from 4 mA to 0 mA; this provides open-wire fault detection in 4 to 20 mA Enhanced applications. Additionally, IC694ALG233 reports module status and status of the external power supply to the CPU via its assigned program reference addresses. IC694ALG233 must be installed in an I/O slot with a serial connector in an RX3i system.

The IC694ALG233 module is software-configurable, and there are no module jumpers to set. Open-circuit detection for all inputs is available in 4 to 20 mA Enhanced Range. Configurable scaling and offsets and fault reporting are other useful features. The module supports diagnostic point fault contacts in the logic program and supports upgrades for firmware. Positive and negative rate of change alarms as well as module serial number/revision/date code display are included. The module also supports hot insertion/removal.

Module status is easily determined by emitting LEDs as follows. ON means OK, and the module is correctly configured. OFF equates to no backplane power, or it’s possible that the software not running. If the LED emits continuous fast blinking, configuration data issues are present. Slow blinking followed by OFF indicates a failed power-up diagnostics issue or a code execution error has been encountered. The USER SUPPLY LED determines that the external 24 VDC supply is appropriate.

Technical Specifications

Module Type: Analog Current Input 
Number of Inputs: 16 single-ended
Internal Power: +5V: 120 mA
Number of Slots: 1 (single slot)
Current Range: 0-20 mA, 4-20 mA, 4-20 mA (Enhanced)
Backplane Support:    No backplane restrictions



Technical Information


Number of Channels

1 to 16 selectable; single-ended

Input Current Ranges

0 to 20 mA, 4 to 20 mA and 4 to 20 mA Enhanced (selectable per channel)


Factory calibrated to:

0.5 μA per count on 4 to 20 mA range

0.625  μA per count on 0 to 20 mA and 4 to 20 mA Enhanced range

Update Rate for All Channels

5 ms

Resolution at 0–20 mA

0.625 μA/bit

Resolution at 4–20 mA

0.5 μA/bit

Resolution at 4–20 mA Enhanced

0.5 μA/bit

Absolute Accuracy 1,2

±0.25% of full scale @ 25°C (77°F)

± 0.5% of full scale over specified operating temperature range


< 4 LSB from 4 to 20 mA (4 to 20 mA range)

< 4 LSB from 100 μA to 20 mA (0 to 20 mA and 4 to 20 mA Enhanced ranges)

Isolation, Field to Backplane (optical) and to frame ground

250 VAC continuous; 1500 VAC for 1 minute

Common Mode Voltage

0 volts (single-ended channels)

Cross-Channel Rejection

> 70dB from DC to 1kHz

Input Impedance

250 

Input Low Pass Filter Response

23 Hz

External Supply Voltage Range

20 to 30 VDC

External Supply Voltage Ripple


Power Consumption

120 mA from the +5 VDC bus on the backplane

65 mA from 24 VDC external user power supply (in addition to current loop currents)



Troubleshooting IC694ALG233

Troubleshooting information is available on IC694ALG233's website page; it also includes a datasheet user-manual and a wiring diagram.


Repair your IC694ALG233

PDF Supply can repair your IC69ALG233 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 IC694ALG233?  Answer:  The IC694ALG233 is a 16 Channel, Analog Current Input module from the GE Fanuc RX3i Series. 
  • Question:  What does IC694ALG233 provide?  Answer:  This module provides 16 single-ended input channels.
  • Question:  For configuration, at what ranges can the analog input channels be set?  Answer:   Current: 0 to 20 mA, 4 to 20 mA, or 4-20 mA Enhanced
  • Question:  What can the IC694ALG233 report?   Answer:  This module can report module status and external power supply status to the CPU using its assigned program reference addresses.
  • Question:  What are some of the features of the IC694ALG233?
    • Completely software-configurable, no module jumpers ot set
    • Open circuit detection for all inputs in 4 to 20 mA Enhanced Range
    • High alarm, lor alrm, high-high alarm, low-low alarm detection and reporting selectable per channel
    • Supports diagnostic point fault contacts in the logic program
    • Positive and negative Rate of Change Alarms
    • Supports hot insertion/removal
  • Question:  Where can the IC694ALG233 be installed?  Answer:  The IC694ALG233 can be installed in any I/O slot that has a serial connector in an RX3i system.
  • Question:  What should I do if my IC694ALG233 is not working properly?   Answer:  Your IC694ALG233 may need repair

For more information on the IC694ALG233 16 Channel, Analog Current Input Module of the GE Fanuc RX3i Series, please see the Datasheet User-Manual.

Release History


Firmware Release








Nov. 2015

Documentation change only. Removed %AI, %AQ, %R,

%W from the Diagnostic Reference Address and Module Status Reference Address module parameters.



May 2012

Resolves several rarely-occuring issues that were identified in field and factory testing.



July 2011

Initial release.


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