IC697ALG230 – GE Fanuc VersaMax Analog Input Module
Overview
The IC697ALG230 is a high-precision analog input module belonging to the GE Fanuc VersaMax series (now integrated into Emerson Automation Solutions), designed for industrial automation and process control applications. Manufactured by General Electric (GE), this module serves as a critical interface for acquiring analog signals from field sensors, converting continuous physical quantities (such as temperature, pressure, flow, and level) into digital signals for PLC processing. It features 8 differential analog input channels with high resolution and accuracy, supporting multiple signal types to adapt to diverse industrial measurement scenarios. With robust anti-interference design and industrial-grade reliability, it is widely deployed in manufacturing, petrochemicals, power generation, and water treatment industries for real-time process monitoring and control.

Technical Specifications
Brand & Manufacturer
Produced by General Electric (GE), specifically under the GE Fanuc Automation division (now part of Emerson Automation Solutions), a global leader in industrial control systems. GE Fanuc VersaMax series modules are renowned for their compact design, flexible expansion, and stable performance, widely trusted in industrial automation fields worldwide.
Model Number
Model: IC697ALG230, part of the GE Fanuc VersaMax IC697 series of analog I/O modules. The alphanumeric code denotes specific functions: IC697 identifies the VersaMax modular PLC platform; ALG indicates Analog Input (AL) with General-purpose (G) functionality; 230 specifies the 8-channel differential input configuration with enhanced signal processing capabilities. It is also referred to as GE IC697ALG230 or Emerson IC697ALG230 in post-integration documentation.
Physical Specifications
Dimensions
Adopting the standard compact design of GE VersaMax IC697 series modules, the dimensions are 126 mm × 128 mm × 69 mm (4.96 in × 5.04 in × 2.72 in). This form factor is optimized for DIN rail mounting in control cabinets, ensuring space-efficient integration with other VersaMax modules such as CPUs, digital I/O, and communication modules.
Weight
Net weight is approximately 0.45 kg (0.99 lbs) without accessories, featuring a lightweight structure constructed from high-strength engineering plastic. Transportation weight (including original packaging) is around 1.0 kg, facilitating easy handling during installation, maintenance, and system reconfiguration
Mounting & Housing
Designed for standard DIN rail mounting (compliant with EN 50022 standards), ensuring secure and quick installation in industrial control cabinets. The housing is made of flame-retardant engineering plastic with an IP20 protection rating, effectively preventing dust intrusion and ensuring safe operation in control room environments. The front panel is equipped with status LEDs for intuitive module health and channel signal monitoring.
Core Features
1. 8 Differential Analog Input Channels: Equipped with 8 fully differential input channels, effectively suppressing common-mode noise and improving signal stability in complex industrial environments, suitable for long-distance signal transmission.
2. Multi-Signal Type Support: Compatible with multiple analog signal types, including 4-20mA DC current signals, 0-10V DC voltage signals, and thermocouple (J/K/T/E/R/S/B type) signals, enabling flexible configuration for diverse sensing needs.
3. High Precision & Resolution: Delivers 16-bit ADC resolution with ±0.1% full-scale accuracy, ensuring precise measurement of subtle changes in physical quantities for reliable process control.
4. Built-in Cold-Junction Compensation: Integrates cold-junction compensation functionality for thermocouple inputs, eliminating measurement errors caused by ambient temperature fluctuations and enhancing temperature measurement accuracy.
5. Comprehensive Diagnostic Functions: Supports channel-level fault diagnosis, including open-circuit detection for thermocouples and over-range signal alarms. Front-panel LEDs indicate module power status and channel signal integrity for quick troubleshooting.
6. Backplane Communication Integration: Communicates with VersaMax PLC CPUs via a high-speed internal backplane, ensuring real-time data transmission with minimal latency, supporting time-critical control applications.
7. Hot-Swappable Capability: Supports online hot swapping without system shutdown, minimizing maintenance downtime and maximizing plant operational availability.