GE Fanuc Series 90-30 IC694 Modules - IC694ALG392

Name: GE Fanuc Series 90-30 IC694 Modules - IC694ALG392
Brand: GE Fanuc

Model: IC694ALG392

Brand GE Fanuc

Series Series 90-30

Model IC694ALG392

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Product Details And Specifications

GE Fanuc Series 90-30 IC694 Series Technical Notes

The Evolution of Series 90-30 Architecture

The Series 90-30 was introduced by GE Fanuc Automation in the early 1990s as a successor to the Series Six and Series Five PLC lines. The original IC693 designation covered the first-generation hardware; the IC694 prefix was introduced to denote enhanced-performance modules with expanded memory, faster scan times, and improved communications capability while maintaining physical and logical backward compatibility with IC693 baseplates and power supplies.

Key architectural milestones include the introduction of the CPU374 (IC693CPU374) with Ethernet TCP/IP onboard, the CMM321 communications coprocessor for multi-protocol serial networking, and the DSM314/DSM324 motion control modules for coordinated axis control. The platform's VME-derived backplane bus operates at 5 VDC logic levels, and all I/O modules communicate via the Series 90-30 I/O bus protocol — a factor that limits direct substitution with PACSystems RX3i (IC695) hardware without a bus interface unit.

As of 2024, GE Vernova / Emerson has formally classified the majority of IC693 and IC694 catalog numbers as End-of-Life (EOL) or Last-Time-Buy (LTB). Replacement migration paths point to the PACSystems RX3i platform (IC695 series). However, the capital cost and engineering effort required for a full migration means that a significant portion of the installed base will continue operating on Series 90-30 hardware for 10–15 additional years, sustaining demand for tested, certified spare modules.

Series 90-30 IC694 Full Catalog & Functionalities (SKU List)

Analog Input Modules (AI)

IC694ALG220: 4-channel analog input, voltage/current, 12-bit resolution
IC694ALG221: 4-channel analog input, current only, 12-bit resolution
IC694ALG222: 4-channel analog input, voltage only, 12-bit resolution
IC694ALG223: 16-channel analog input, voltage/current, 12-bit resolution
IC694ALG232: 4-channel thermocouple/mV input module, 16-bit resolution

Analog Output Modules (AO)

IC694ALG390: 2-channel analog output, voltage/current, 12-bit resolution
IC694ALG391: 2-channel analog output, current only, 12-bit resolution
IC694ALG392: 4-channel analog output, voltage/current, 12-bit resolution, 0–10 VDC / 4–20 mA
IC694ALG442: 8-channel analog output, voltage/current, 12-bit resolution

Discrete Input Modules (DI)

IC694MDL230: 8-point 120 VAC discrete input module
IC694MDL240: 16-point 120 VAC discrete input module
IC694MDL241: 16-point 24 VDC positive/negative logic discrete input
IC694MDL260: 32-point 24 VDC discrete input, high-density

Discrete Output Modules (DO)

IC694MDL330: 8-point relay output module, 2A per point
IC694MDL340: 16-point relay output module, 2A per point
IC694MDL741: 16-point 24 VDC transistor output, 0.5A per point
IC694MDL754: 32-point 24 VDC transistor output, high-density

CPU Modules

IC694CPU310: Series 90-30 CPU, 6K word program memory, no Ethernet
IC694CPU311: Series 90-30 CPU, 12K word program memory
IC694CPU323: Series 90-30 CPU, 16K word program memory, expanded I/O
IC694CPU364: Series 90-30 CPU with embedded Ethernet TCP/IP port
IC694CPU374: Series 90-30 CPU, 240K word memory, dual Ethernet ports

Power Supply Modules

IC694PWR321: 120/240 VAC or 125 VDC input power supply, 30W output
IC694PWR330: 24 VDC input power supply, 30W output

Communications & Specialty Modules

IC694CMM321: Serial communications coprocessor, RS-232/RS-485, multi-protocol
IC694CMM302: Ethernet interface module, 10BASE-T, SRTP/Modbus TCP
IC694DSM314: Motion control module, 4-axis coordinated servo control

Quality Control for the Series 90-30 Range

Series 90-30 modules present specific test challenges due to their backplane bus architecture and mixed analog/digital signal paths. DriveKNMS applies the following verification protocol to all IC694 modules prior to shipment:

Backplane bus continuity and impedance verification using a Series 90-30 test rack with a known-good CPU module
Full I/O channel functional test: each analog channel is exercised across its full input/output range (0–10 VDC, 4–20 mA) with calibrated signal sources and measurement instruments
Discrete I/O modules are tested at rated voltage with resistive loads on all output points
CPU modules undergo a full program load/execute cycle, memory retention test (battery-backed RAM), and communications port loopback test
Power supply modules are load-tested at 100% rated output for a minimum of 30 minutes with thermal monitoring
Firmware version is recorded and reported; downgrade or upgrade services available on request
Visual inspection for capacitor condition, connector pin integrity, and conformal coating status

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