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RX3i ALG392 Analog

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SKU 2175000  UPC 0799705802384


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Common misspellings:
  • 1C694ALG392
  • IC69AALG392
  • IC694A1G392
  • IC694ALG392

Technical Specifications for IC694ALG392

ManufacturerGE Fanuc
SeriesRX3i PACSystems
Part NumberIC694ALG392
Product TypeHigh-Density Analog Output Module
User Supply Voltage (Nominal)24 Volts DC
External Supply Voltage Range20 to 30 Volts DC
Number of Output Channels8 Single-ended Output Channels
Output Current Range4 to 20 milliamps and 0 to 20 milliamps
Output Voltage Range0 to 10 Volts DC and -10 to 10 Volts DC

Product Description

The IC694ALG392 is an 8 Channel, Current/Voltage, Analog Output Module from the GE Fanuc RX3i Series.  This module provides up to 8 single-ended output channels with current loop outputs and/or voltage outputs.  See specifications for this unit on IC694ALG392's website page.

Technical Specifications

No. of channels: 8
Voltage Range: 0 to +10 V, -10 to +10 V
Current Range: 0-20 mA, 4-20 mA
Update Rate: 8 msec
Output Load: 5 mA max
Power Consumption:   110 mA @ +5VDC,  315 mA @ +24VDC Isolated



The GE Fanuc IC694ALG392 High-Density Analog Output Module is an 8-channel current/voltage analog output module designed for the GE RX3i PACSystems control system. This module provides 8 single-ended output channels that are capable of accepting either current loop outputs or voltage outputs. Selection between current or voltage outputs can be achieved via software configuration. The outputs can be configured for a 0 to 10 Volts DC (unipolar), -10 to +10 Volts DC (bipolar), 0 to 20 milliamps, or 4 to 20 milliamps output range. Each IC694ALG392 Module output is capable of converting 15 to 16 bits of binary data from the CPU to analog data for output devices. The IC694ALG392 Module refreshes/updates every output channel every 8 milliseconds. The operators can switch between the current mode and the voltage mode via easy and simplified software configuration. The IC694ALG392 Module reports open-wire faults and other fault conditions to the CPU in the current mode.

The IC694ALG392 Output Module must receive its 24 Volts DC operating power from an external user-supplied power source, which can be connected to the TB1 connector on the left side of the backplane or directly to the module’s terminal block. It supports 24 Volts DC user-supplied power, which supplies a 20 to 30 Volts DC voltage range. The IC694ALG392 Module has a maximum backplane current draw of 110 milliamps at 5 Volts DC and 315 milliamps of rated power consumption at 24 Volts DC. Each of the IC694ALG392 Module’s outputs is factory-calibrated and they do not require any additional field calibration. The IC694ALG392 Module can be installed in any I/O slot on the RX3i PLC rack and it can be configured with the Proficy Machine Edition configuration software. The IC694ALG392 Module has a front-panel “MODULE OK” LED and a “USER SUPPLY” LED which are powered by the 5 Volts DC backplane power bus.

Technical Information


Number of Output Channels

1 to 8 selectable, single–ended

Output Current Range

4 to 20 mA and 0 to 20 mA

Output Voltage Range

0 to 10 V and –10 V  to +10 V


Factory calibrated to .625 μA for 0 to 20 mA; 0.5 μA for 4 to 20 mA; and .3125 mV for voltage (per count)

User Supply Voltage (nominal)

+24 VDC, from user supplied voltage source

External Supply Voltage Range

20 VDC to 30 VDC

Power Supply Rejection Ratio (PSRR) Current



5 μA/V (typical), 10 μA/V (maximum)

25 mV/V (typical), 50 mV/V (maximum)

External Power Supply Voltage Ripple

10% (maximum)

Internal Supply Voltage

+5 VDC from PLC backplane

Update Rate

8 milliseconds (approximate, all eight channels) Determined by I/O scan time, application dependent.


4 to 20mA:   0.5 μA (1 LSB = 0.5 μA)


0 to 20mA:  0.625 μA (1 LSB = 0.625 μA)


0 to 10V:  0.3125 mV (1 LSB = 0.3125 mV)


-10 to +10V:  0.3125 mV (1 LSB = 0.3125 mV)

Absolute Accuracy: 1


Current Mode

+/-0.1% of full scale @ 25°C (77°F), typical

+/-0.25% of full scale @ 25°C (77°F), maximum

+/-0.5% of full scale over operating temperature range (maximum)

Voltage Mode

+/-0.25% of full scale @ 25°C (77°F), typical

+/-0.5% of full scale @ 25°C (77°F), maximum

+/-1.0% of full scale over operating temperature range (maximum)

Maximum Compliance Voltage

VUSER  –3 V (minimum) to VUSER (maximum)

User Load (current mode)

0 to 850 Ω (minimum at VUSER = 20 V, maximum 1350 Ω at VUSER = 30 V) (Load less than 800 Ω is temperature dependent.)

Output Load Capacitance (current mode)

2000 pF (maximum)

Output Load Inductance (current mode)

1 H

Output Loading (voltage mode) Output load Capacitance

5 mA (2 K Ohms minimum resistance) (1 μF maximum capacitance)

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

250 VAC continuous; 1500 VDC for 1 minute

Power Consumption

110 mA from +5 VDC PLC backplane supply


315 mA from +24 VDC user supply

1In the presence of severe RF interference, accuracy may be degraded to 1% full scale (FS) for current outputs and 3% FS for voltage outputs.


Troubleshooting IC694ALG392

Troubleshooting information is available on IC694ALG392's website page; it also includes a datasheet user-manual and a wiring diagram.


Repair your IC694ALG392

PDF Supply can repair your IC694ALG392 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 IC694ALG392?   Answer:  The IC694ALG392 is an 8 Channel, Current/Voltage, Analog Output module from the GE Fanuc RX3i Series. 
  • Question:  What does IC694ALG392 provide?  Answer:   This module provides up to 8 single-ended output channels with current loop outputs and/or voltage outputs. 
  • Question:  How can each output channel be set up?  Answer:
    • Each output channel can be set up using the configuration software for any of these ranges:
      • 0 to +10 volts (unipolar)
      • 10 to +10 volts (bipolar)
      • 0 to 20 milliamps
      • 4 to 20 milliamps 
  • Question:  Each channel is capable of converting how many bits of binary data to an analog output?  Answer:  15-16 bits (depending on the range selected)
  • Question:  How often are all 8 channels updated?  Answer:  They are updated every 12 milliseconds.
  • Question:  What happens in current modes?  Answer:  In current modes, the module reports an Open Wire fault to the CPU for each channel. 
  • Question:  What happens when system power is interrupted?  Answer:  When systems power is interrupted, the module can go to a known last state. As long as external power is applied to the module, each output will maintain its last value or reset to zero, as configured. 
  • Question:  Into what slot can IC694ALG392 be installed?  Answer:  IC694ALG392 can be installed in any I/O slot of an RX3i system.
  • Question:  What should I do if my IC694ALG392 is not working properly?  Answer:  Your IC694ALG392 may need repair

For more information on the IC694ALG392 8 Channel, Current/Voltage, Analog Output Module of the GE Fanuc RX3i Series, please see the Datasheet User-Manual. 

Release History




IC693ALG392-CF IC694ALG392-CD


May 2012

See “Problems Resolved by Version 1.60.”

IC693ALG392-BE IC694ALG392-BC


Feb. 2010

See GFK-2557B.

IC693ALG392-BD IC694ALG392-BB


Jan. 2009

Updated processor and D/A converter.

IC693ALG392-BB or later is not compatible with a Series 90-30 Hand-held Programmer.



Feb. 2005

ATEX approval for Group 2, category 3 applications.



Jul. 2004

Initial product release



Oct. 1995

CE certification




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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