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IC694ALG232 Wiring

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  • IC694ALG232
  • IC694ALG232 Wiring

Product Description

The IC694ALG232 is an Advanced Diagnostics 16-Channel Input Analog Voltage Module manufactured by General Electric. Each channel can be arranged for both input stages. The module can be connected in any I/O slot that contains a serial connector in the RX3i system.

This PACSystems RX3i module provides 16 single-ended or eight differential input channels. Channels can be configured for input range 0 to 10 V (unipolar) or default -10 to +10 V (bipolar). High and low alarm limits can also be configured for the two ranges.

The IC694ALG232 is fully configurable using software, there are no module jumpers to set, and it offers configurable scaling and offsets per 16 channels.

Alarm detection settings/reporting include high, low, high-high, and low-low. Other features are module fault reporting, the ability to support diagnostic point fault contacts in the logic program, and firmware upgrades among others. The IC694ALG232 module also supports hot insertion/removal.  

If the module is located in an RX3i Universal Backplane, an external source of isolated +24 VDC is necessary to provide power. The external source must be connected using the TB1 connector on the backplane’s left side. If the module is instead located in an Expansion Backplane, the backplane’s power supply already provides the Isolated +24 VDC.

The IC694ALG232 comes equipped with a MODULE OK LED that displays status info. An ON status is OK and indicates that the module is properly configured. An OFF status means no backplane power is recognized or the watchdog timer is timed out. Continuous rapid blinking suggests that the CPU is not transmitting configuration data. Slow blinking by the LED followed by OFF tells the user that there is a failed power-up diagnostics issue or that a code execution error is noted. The Module P/S LED confirms that the internally-generated +5 VDC supply is at or above the required 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: 5 msec(all 16), 3 msec(all 8)
Input Filter Response:   23 Hz,  38 Hz
Power Consumption: 112 mA @ +5VDC,  110 mA @ +24VDC Isolated



GE Intelligent Platforms / GE Fanuc GE RX3i PacSystem

SKU 0  UPC 00

Part Number: IC694ALG232 / ic694alg232
Mfr/Brand Name: GE Automation
Mfr Number: IC694ALG232 / ic694alg232
Type: Advanced Analog Voltage Input Module, 16/8 Channels

Troubleshooting and Product Information for IC694ALG232

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

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Other IC694ALG232

Available Revisions:

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1C694ALG232 , GEFIC694ALG232 , CIMIC694ALG232


Number of Channels

1 to 16 selectable, single-ended input mode 1 to 8 selectable, differential input mode

Input Ranges

0 V to +10 V (unipolar) or

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


Factory calibrated to:

0.3125 mV per count on 0 V to +10 V (unipolar) range

0.3125 mV per count on -10 to +10 V (bipolar) range

Update Rate for All Channels

Single Ended Input 5 ms

Differential Input 3 ms

Resolution at 0V to +10V

1 LSB = 0.3125 mV

Resolution at -10V to +10V

1 LSB = 0.3125 mV

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

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) 38 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 IC694ALG232

Troubleshooting information is available on IC694ALG232's website page; it also includes a datasheet user-manual and a wiring diagram.

Repair your IC694ALG232

PDF Supply can repair your IC694ALG232 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 IC694ALG232?  Answer:  The IC694ALG232 is a 16/8 Channel, Voltage, Advanced Analog Input module from the GE Fanuc RX3i Series. 
  • Question:  What does IC694ALG232 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 IC694ALG232 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 IC694ALG232 is located in an Expansion  or Remote Backplane- what then?   Answer:  Then the backplane's power supply provides the isolated +24 VDC for IC694ALG232.
  • Question:  What do the LEDs on IC694ALG232 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 IC694ALG232 is not working properly?   Answer:  Your IC694ALG232 may need repair

For more information on the IC694ALG232 16/8 Channel,  Advanced Voltage, Analog 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.



Feb. 2012

Hardware revision to correct delayed detection of a disconnected input.



Jul. 2011

Initial release

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