GE IC693ALG220C Analog Input Module

The IC693ALG220C from GE Fanuc functions as an analog input module for Series 90-30 programmable logic controllers. It accepts analog signals from field sensors for precise process measurement. This module converts voltage or current inputs into digital values for the processor. Industrial facilities depend on its accuracy for critical process monitoring applications.

Technical Specifications & Hardware Details

Specification	Detail
Manufacturer	GE Fanuc
Model Number	IC693ALG220C
Category	Analog Input Module
Input Channels	8 differential analog inputs
Input Types	0-10 VDC, -10 to +10 VDC, 0-20 mA, 4-20 mA
Resolution	12 bits
Weight	Approximately 0.23 kg (0.51 lbs)
Dimensions (H x W x D)	5.2 in x 2.8 in x 3.9 in (132 mm x 71 mm x 99 mm)
Interface	Backplane connector with removable terminal block
Component Count	Single-board with ADC, multiplexer, and isolation
Energy Storage	None (Real-time signal conversion only)

Input Channel Design and Signal Conditioning

The IC693ALG220C features eight differential input channels for accurate analog measurement. Each channel accepts voltage or current signals based on user configuration. You can select input ranges through software configuration without hardware jumpers. Furthermore, the design includes filtering that reduces electrical noise from industrial environments. This filtering ensures stable readings from field transmitters and sensors.

Physical Construction and Wiring Interface

This analog module features a compact construction suited for Series 90-30 rack mounting. Its removable terminal block simplifies field wiring and module replacement procedures. The IC693ALG220C accepts wire gauges from 22 AWG to 14 AWG comfortably. You can label each input channel for clear identification during system troubleshooting. The module’s design allows hot insertion into powered racks for minimal downtime.

System Integration and Data Acquisition

The module interfaces directly with the Series 90-30 backplane for processor communication. It converts analog signals to digital values within each scan cycle. The IC693ALG220C works alongside analog output modules for complete process I/O configuration. For similar industrial applications, static trip units and protective relays use comparable analog measurement principles. However, this module specifically addresses analog input requirements within the GE Series 90-30 ecosystem. Facilities rely on it for accurate temperature, pressure, and flow monitoring.