Introduction

The GE IC693ALG442B Series 90-30 Analog Combination I/O Module is a versatile analog interface engineered for industrial automation systems that require both analog data acquisition and analog control. By integrating four differential inputs and two analog outputs into a single module, it simplifies cabinet design while reducing hardware requirements.

Supporting both voltage and current signal standards, the IC693ALG442B easily interfaces with transmitters, sensors, control valves, drives, and other process equipment. Its rapid update performance, comprehensive diagnostics, and dependable Series 90-30 compatibility make it well suited for demanding manufacturing, utility, and continuous process applications.

For facilities maintaining established GE Series 90-30 systems, the IC693ALG442B remains an efficient solution for expanding analog control capability while preserving existing automation investments.

Technical Specifications

Specification	Description
Manufacturer	GE Fanuc / Emerson
Model	IC693ALG442B
Product Type	Analog Combination I/O Module
Product Family	Series 90-30
Analog Inputs	4 Differential Channels
Analog Outputs	2 Single-Ended Channels
Input Voltage Range	0 to +10 VDC, -10 to +10 VDC
Input Current Range	0–20 mA, 4–20 mA
Output Voltage Range	0 to +10 VDC, -10 to +10 VDC
Output Current Range	0–20 mA, 4–20 mA
Resolution	12 Bit
Update Rate	4 ms (All Channels)
Maximum Output Load	5 mA
Backplane Power Consumption	95 mA @ +5 VDC
External Supply	20–30 VDC (24 VDC Nominal)
Diagnostics	Open Wire, Output Overload, Module Status, Power Status
Mounting	Series 90-30 Baseplate
Operating Temperature	0°C to +60°C
Dimensions	Approx. 130 × 130 × 40 mm
Weight	Approx. 0.30 kg

Recommended Companion Models

Model	Product Name
IC693CPU374	Series 90-30 Ethernet CPU Module
IC693PWR330H	Series 90-30 High Capacity Power Supply Module
IC693CHS391K	Series 90-30 10-Slot CPU Baseplate
IC693CMM321	Series 90-30 Ethernet Communications Module

Frequently Selected Alternatives

Model	Product Name
IC693ALG390	Series 90-30 Analog Voltage Output Module
IC693ALG391	Series 90-30 Analog Current Output Module
IC693ALG392	Series 90-30 Analog Current/Voltage Output Module
IC694ALG442	PACSystems RX3i Analog Combination I/O Module

Where It Excels in Industrial Use

Process control systems requiring both analog monitoring and control
GE Series 90-30 PLC automation platforms
Chemical and pharmaceutical production lines
Water and wastewater treatment facilities
Industrial mixing and batching equipment
Temperature, pressure, flow, and level control applications
OEM machinery with combined analog input/output requirements
Manufacturing process automation
Energy management and utility monitoring systems
Legacy Series 90-30 system expansion and modernization

Key Strengths at a Glance

Combines analog inputs and outputs in a single PLC module
Four differential analog input channels
Two single-ended analog output channels
Supports both voltage and current signal types
Configurable bipolar and unipolar voltage ranges
Compatible with 0–20 mA and 4–20 mA current loops
Fast 4 ms update rate across all channels
Integrated diagnostics for open-wire, overload, and power status
Reduces rack space by integrating I/O functions
Fully compatible with GE Series 90-30 PLC systems

Technical FAQs

1. What is the primary function of the GE IC693ALG442B?

The IC693ALG442B is an analog combination I/O module that provides four analog input channels and two analog output channels, allowing a single Series 90-30 PLC module to both monitor and control analog process signals.

2. How many analog channels are available?

The module provides four differential analog inputs and two single-ended analog outputs, making it suitable for applications requiring simultaneous signal acquisition and control.

3. Which analog input ranges are supported?

Supported input ranges include:

0 to +10 VDC
-10 to +10 VDC
0–20 mA
4–20 mA

These ranges can be configured to match field instrumentation requirements.

4. Which analog output ranges are available?

The output channels support:

0 to +10 VDC
-10 to +10 VDC
0–20 mA
4–20 mA

This flexibility allows the module to control a wide variety of industrial actuators and process devices.

5. What devices are commonly connected to this module?

Typical applications include pressure transmitters, flow meters, temperature transmitters, level sensors, control valves, variable frequency drives, and proportional actuators.

6. Does the module provide diagnostic capabilities?

Yes. The IC693ALG442B reports module health, output overload conditions, open-wire detection, abnormal input status, and external power supply status to improve maintenance efficiency.

7. What external power supply is required?

The analog output circuitry requires an external 20–30 VDC user power supply, with 24 VDC being the typical operating voltage.

8. What is the module update speed?

All input and output channels are updated within approximately 4 milliseconds, providing responsive performance for industrial process control applications.