GE Fanuc IC670ALG240-CB 16-Channel Analog Current Input Module

Overview
The IC670ALG240-CB from GE Fanuc is a high-performance 16-channel analog input module designed to convert industrial current loop signals (0–25 mA) into digital data for Field Control systems. It supports precise signal measurement, field calibration, and advanced diagnostics to ensure reliable monitoring in automation environments. This module is ideal for process control, manufacturing, and energy management systems requiring accurate current measurement and fault detection.

Technical Specifications

• Model Number: IC670ALG240-CB

• Manufacturer: GE Fanuc

• Series: Field Control

• Input Channels: 16 single-ended

• Signal Range: 0–25 mA

• Resolution: 16-bit (unscaled)

• Converter LSB Weight: 381 nA typical

• Overrange Capability: Up to 35 mA continuous without damage

• Input Impedance: 250 Ω

• Power Supply for Current Loops: 20–28 V nominal (10% ripple max)

• BIU Power Draw: 251 mA maximum

• Nonlinearity: ±1 µA or ±1 LSB

• Temperature Coefficient: ±0.002% of reading per °C typical

• Isolation: 1500 VAC for 1 minute, 250 VAC continuous

• Common Mode Voltage: Not applicable (single-ended design)

• Filter Type: 2nd-order active RC filter

• Filter Cutoff Frequency: 10 Hz

• Normal Mode Rejection: 25 dB (10 ms), 50 dB (20 ms)

• Common Mode Rejection: Minimum 86 dB

• Operating Temperature: 0 °C to +55 °C

• Storage Temperature: -40 °C to +85 °C

• Indicators:

• ON: Module operating normally

• Flashing: Diagnostic mode (inputs not updating)

• OFF: Power loss or critical fault

Key Features

• 16 isolated analog current inputs for precise data acquisition

• Supports both field recalibration and custom alarm threshold configuration

• Integrated software and hardware filtering for noise suppression

• Wide input range and overcurrent protection up to 35 mA

• LED-based diagnostics for quick fault identification

• Compact, durable module suitable for harsh industrial environments

Applications

The IC670ALG240-CB is suitable for:

• Process automation and current signal monitoring

• Energy and utilities instrumentation

• Factory equipment control systems

• Industrial current loop measurement in distributed I/O setups

FAQ

Q: What signal range does IC670ALG240-CB support?
A: The module measures 0–25 mA current loop inputs and can tolerate up to 35 mA continuous current.

Q: Is recalibration supported in the field?
A: Yes, the module supports field recalibration for enhanced accuracy.

Q: How does it indicate diagnostic faults?
A: LED indicators show power, normal operation, or diagnostic status (flashing).

Q: Can this module be integrated with existing Field Control systems?
A: Yes, it is fully compatible with GE Fanuc Field Control I/O platforms.