GE IC694ALG221 4-Channel Analog Current Input Module

Description

The IC694ALG221 module is part of GE's RX3i PACSystems, offering advanced diagnostics and flexibility for mission-critical discrete and process applications. It provides four analog input channels with two selectable input ranges: 4-20 mA and 0-20 mA.

Specifications

• Resolution: 12-bit binary (1 part in 4096).

• Update Rate: 2 milliseconds for all four channels.

• Input Impedance: 250 Ohms.

• Isolation: Optical isolation with 250 VAC continuous and 1500 VAC for 1 minute.

• Common Mode Voltage: Up to 200 volts.

• Power Consumption: 100 mA from isolated +24 VDC supply and 25 mA from +5 VDC bus.

• Accuracy: ±0.1% full scale + 0.1% reading.

• Mounting: Compatible with panel or DIN rail.

Features

• Input Protection: Operates with reduced performance under severe RF interference.

• High-Speed Conversion: Conversion speed of 0.5 milliseconds per channel.

• LED Indicators: Module OK LED for power supply status.

• Cross-Channel Rejection: 80 dB from DC to 1 kHz.