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IC694ALG222 Wiring

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  • IC694ALG222
  • IC694ALG222 Wiring

Product Description

IC694ALG222 is a 16-Channel Analog Voltage Input Module manufactured by GE Fanuc that provides 16 single-ended (or eight) differential input channels.
Each channel can be configured using configuration software for either input range options: 0 to 10 V (unipolar) or default -10 to +10 V (bipolar). High/low alarm limits can also be configured for unipolar or bipolar ranges. The IC694ALG222 can be installed in any I/O slot of an RX3i system.

Location of the IC694ALG222 module is important when identifying the appropriate power source. If the 
IC694ALG222 module is located in a Universal Backplane, an external source of Isolated +24 VDC is needed. The external source should be connected using the TB1 connector on the left side of the backplane. If the module is in an Expansion Backplane, the power supply provides the Isolated +24 VDC. 


Status information is indicated by the MODULE OK LED on power-up. ON means the status is OK, and the module is configured. OFF means there is no backplane power, or the software is not running (in other words, the watchdog timer has timed out. If the LED displays continuous rapid flashing, this suggests that configuration data is not being received from the CPU. Slow flashing followed by OFF indicates failed power-up diagnostics or a code execution error. The Module P/S LED confirms that the module’s +5 VDC supply meets the minimum designated level.

Technical Specifications

No. of channels: 16 single-ended or 8 differential
Voltage Range: -10 to +10 V, 0 to 10 V
Calibration: Factory calibrated
Update Rate: 6 msec(all 16), 3 msec(all 8)
Input Filter Response:   41 Hz,  82 Hz
Power Consumption: 112 mA @ +5VDC,  41 mA @ +24VDC Isolated



GE Intelligent Platforms / GE Fanuc GE RX3i PacSystem

SKU 2175133  UPC 0799705802421

Part Number: IC694ALG222 / ic694alg222
Mfr/Brand Name: GE Automation
Mfr Number: IC694ALG222 / ic694alg222
Type: Analog Input Module, 16/8 Channel Voltage

Troubleshooting and Product Information for IC694ALG222

Download product information, troubleshooting guides and operation manuals to get your PLC operational.

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Other IC694ALG222

Available Revisions:

Confirm Your Revision Number

1C694ALG222 , GEFIC694ALG222 , CIMIC694ALG222


Number of Channels

1 to 16 selectable, single-ended

1 to 8 selectable, differential

Input Voltage Ranges

0 V to +10 V (unipolar) or

-10 V to +10 V (bipolar); selectable each channel


Factory calibrated to:

2.5 mV per count on 0 V to +10 V (unipolar) range 5 mV per count on -10 to +10 V (bipolar) range

Update Rate

Single Ended Input Update Rate: 5 ms

Differential Input Update Rate: 2 ms

Resolution at 0V to +10V

2.5 mV (1 LSB = 2.5 mV)

Resolution at -10V to +10V

5 mV (1 LSB = 5 mV)

Absolute Accuracy 1,2

±0.25% of full scale @ 25°C (77°F)

±0.5% of full scale over specified operating temperature range


< 1 LSB

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

250 VAC continuous; 1500 VAC for 1 minute

Common Mode Voltage (Differential)3

±11 V (bipolar range)

Cross-Channel Rejection

> 70dB from DC to 1 kHz

Input Impedance

>500K Ohms (single-ended mode)

>1 Megohm (differential mode)

Input Filter Response

23 Hz (single-ended mode) 57 Hz (differential mode)

Internal Power Consumption

112 mA (maximum) from the backplane +5 VDC bus

110 mA (maximum) from the backplane isolated  +24 VDC supply

Troubleshooting IC694ALG222

Troubleshooting information is available on IC694ALG222's website page; it also includes a datasheet user-manual and a wiring diagram.


Repair your IC694ALG222

PDF Supply can repair your IC694ALG222 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 IC694ALG222?  Answer:  The IC694ALG222 is a 16/8 Channel, Voltage, Analog Input module from the GE Fanuc RX3i Series. 
  • Question:  What does IC694ALG222 provide?  Answer:  This module provides 16 single-ended or 8 differential input channels. 
  • Question:  For what 2 ranges can each channel be configured using the configuration software?  Answer:
    • 0 to 10 V (unipolar), default
    • -10 to +10 V (bipolar)
  • Question:  Can high and low alarm limits be configured for both ranges?  Answer:  Yes, they can.
  • Question:  Into what slot can IC694ALG222 be installed, in an RX3i system?  Answer:  This module can be installed in any I/O slot of an RX3i system.
  • Question:  If the module is located in an RX3i Universal Backplane- what then?  Answer:  Then that means an external source of isolated +24 VDC is required to provide power for the module. 
  • Question:  How must the external source be connected?  Answer:  The external source must be connected via the TB1 connector on the left side of the backplane. 
  • Question:  If IC694ALG222 is located in an Expansion Backplane- what then?  Answer:  Then the backplane's power supply provides the isolated +24 VDC for IC694ALG222.
  • Question:  What do the LEDs on IC694ALG222 indicate?  Answer:
    • ON: status is OK, module configured
    • OFF: no backplane power or software not running (watchdog timer timed out)
    • Continuous rapid flashing: configuration data not received from CPU
    • Slow flashes, then OFF: failed power-up diagnostics or encountered code execution error
    • The Module P/S LED indicates that the module's internally generated +5 VDC supply is above a minimum designated level
  • Question:  What should I do if my IC694ALG222 is not working properly?  Answer:  Your IC694ALG222 may need repair

For more information on the IC694ALG222 16/8 Channel, Voltage, Analog Input Module of the GE Fanuc RX3i Series, please see the Datasheet User-Manual.

Release History


Firmware Release



IC694ALG222-DB IC693ALG222-HB


May 2012

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

IC694ALG222-CA IC693ALG222-GA


Feb. 2012

Hardware revision to correct delayed detection of a disconnected input.

IC694ALG222-BA IC693ALG222-FA


May 2011

Adds ability to perform field upgrades in RX3i targets.

Adds display of module serial number, revision and date code in programming software in RX3i targets.

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