GE IC694ALG223

Product Introduction

The IC694ALG223 is a 16-channel single-ended analog current input module for PACSystems RX3i/RX7i, converting industrial 4-20 mA, 0-20 mA, and 4-20 mA Enhanced current signals to 12-bit digital data for PLC processing. Each channel is independently configurable, factory-calibrated, and features open-wire detection in Enhanced mode. It integrates 250 VAC optical isolation, high/low alarm limits, and hot-swap capability for mission-critical process and discrete applications. The module uses a detachable terminal board, has two status LEDs (Module OK, User Power), and occupies one chassis slot, serving as a high-density, high-precision solution for industrial signal acquisition.

Category: GE

Description

Technical Specifications

Parameter	Details
Module Type	16-Channel Single-Ended Analog Current Input Module (PACSystems RX3i/RX7i)
Input Channels	16 single-ended, independently configurable per channel
Input Ranges	4-20 mA, 0-20 mA, 4-20 mA Enhanced
Resolution	12-bit (4 µA/bit for 4-20 mA; 5 µA/bit for 0-20 mA/Enhanced)
Update Rate	13 ms per channel (all 16 channels scanned sequentially)
Absolute Accuracy	±0.25% of full scale @25°C; ±0.5% over operating temperature range
Linearity	＜1 LSB (100 µA to full scale)
Isolation	250 VAC continuous optical isolation (field to logic/backplane)
Power Consumption	120 mA @ +5 VDC (backplane); 65 mA @ 24 VDC (user-supplied)
Input Overload Protection	Up to 50 mA (continuous) per channel
Operating Temperature	-20°C to 60°C (storage: -40°C to +85°C)
Humidity	5% – 95% (non-condensing)
Mounting	Single slot in RX3i chassis; panel/DIN rail-compatible
Terminals	Detachable terminal board (AWG 14-22 wire)
Indicators	Module OK (green), User Power (green) LEDs
Certifications	UL, UL HAZLOC, Zone 2 CE, ATEX C1D2, ABS, BV, DNV, GL, KRS, LR
Hot Swap	Supported (chassis-dependent)

Function Features

16 Independent Configurable Channels: Each channel set to 4-20 mA, 0-20 mA, or Enhanced mode for mixed-signal systems.
12-Bit Precision Conversion: 12-bit resolution with 4/5 µA per count ensures stable, repeatable measurements.
Fast Update Rate: 13 ms per channel enables real-time control in high-speed processes.
Enhanced Diagnostics: Open-wire detection in 4-20 mA Enhanced mode; high/low alarm limits per channel for fault isolation.
Optical Isolation: 250 VAC isolation blocks noise and ground loops, improving system reliability.
Factory Calibration: Pre-calibrated to 4 µA/5 µA per count; no field calibration required.
Hot-Swap Capability: Replace modules without powering down the chassis, minimizing downtime.
Detachable Terminal Board: Simplifies wiring, reduces errors, and speeds up maintenance.
Status Monitoring: Two front LEDs for quick health checks (module OK, user power).
Multi-Platform Compatibility: Works with RX3i/RX7i controllers for scalable system integration.

Application Scenarios

Process Control Systems: Acquires pressure, flow, and level transmitter signals in oil/gas, chemical, and water treatment plants, using 4-20 mA for leak-tight monitoring and alarms.
Manufacturing Automation: Collects temperature, speed, and load cell data in automotive assembly, semiconductor fabrication, and packaging lines, leveraging 13 ms updates for closed-loop control.
Power Generation: Monitors current in generators, transformers, and switchgear with 250 VAC isolation and overload protection for safe, accurate grid management.
Pharmaceutical Production: Captures bioreactor, fermenter, and lyophilizer process data with ±0.25% accuracy, ensuring batch consistency and regulatory compliance.
Marine & Offshore: Powers shipboard monitoring systems (tank levels, pump currents) with Zone 2/ATEX C1D2 approvals and vibration-resistant design.
Building & Infrastructure: Integrates HVAC, lighting, and energy metering in smart buildings, using high-density channels for centralized data acquisition and energy optimization.

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