IC694ALG223
IC694ALG223
IC694ALG223
IC694ALG223

GE IC694ALG223 | Series 16-Channel Analog Current Input Module

  • Brand: GE (General Electric)
  • Model: IC694ALG223 (Variant of RX3i Series)
  • Product Type: Analog Current Input Module
  • Series: RX3i PACSystem (GE Fanuc Legacy Industrial Automation)
  • Core Function: Provides 16 channels of high-precision analog current input for GE Fanuc RX3i PLC systems, enabling reliable acquisition of industrial process signals (e.g., pressure, temperature, flow) from field devices (e.g., transmitters, sensors). Designed for high reliability and modularity in harsh industrial environments.
  • Key Specs:
    • Input Channels: 16 single-ended (configurable for 0-20 mA, 4-20 mA, or 4-20 mA Enhanced)
    • Resolution: 12-bit (4 µA per count at 4-20 mA, 5 µA per count at 0-20 mA/Enhanced)
    • Update Rate: 13 ms per channel (6 ms typical)
    • Isolation: Optical isolation (field to backplane), 1500 V AC for 1 minute
    • Operating Temperature: 0°C to +60°C (industrial-grade)
    • Power Requirements: 120 mA @ 5 V DC (backplane), 65 mA @ 24 V DC (external)
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Manufacturer:
Part number: IC694ALG223-1
Our extensive catalogue, including : IC694ALG223-1 , is available now for dispatch to the worldwide.

Description

IC694ALG223: Product Overview​
The GE IC694ALG223​ is a 16-channel analog current input module from GE’s RX3i PACSystem series, a legacy platform renowned for its reliability in industrial automation. As part of the RX3i ecosystem, it acts as a “signal acquisition gateway” between field devices (e.g., pressure transmitters, temperature sensors) and the PLC controller, enabling precise measurement of analog current signals—critical for maintaining process stability and efficiency.
Role in Automation Systems:
Positioned as a “field input interface” in RX3i architectures, the IC694ALG223 performs two primary functions:
  1. Signal Acquisition: Receives 0-20 mA/4-20 mA current signals from field devices (e.g., a pressure transmitter measuring pipeline pressure) and converts them into digital signals via a 12-bit ADC.
  2. Signal Transmission: Sends digitized signals to the RX3i controller for real-time analysis (e.g., adjusting valve openings to maintain pressure setpoints) and stores historical data for trend analysis.
Core Functionality:
  • Configurable Input Ranges: Supports 0-20 mA (default), 4-20 mA (standard), and 4-20 mA (Enhanced) ranges—selectable per channel via software. The Enhanced mode adds open-wire fault detection for broken sensors.
  • High Precision: 12-bit resolution ensures accurate signal conversion (error < ±0.25% full-scale @ 25°C), critical for process control applications where small deviations impact product quality.
  • Galvanic Isolation: Optical isolators protect the controller from voltage spikes and EMI, ensuring reliable operation in harsh industrial environments.
  • Modular Design: Fits into standard RX3i I/O racks, enabling easy expansion or replacement. Hot-swappable design minimizes downtime during maintenance.
Platform Benefits (RX3i Series):
The IC694ALG223 inherits the RX3i platform’s strengths, including:
  • Reliability: Proven 24/7 operation in power plants, refineries, and manufacturing facilities worldwide.
  • Legacy Compatibility: Works with existing RX3i components (e.g., I/O racks, controllers), reducing upgrade costs.

  • Scalability: Supports expansion with additional I/O modules (e.g., analog outputs, digital inputs) to accommodate growing system demands.

    IC694ALG223

    IC694ALG223

Technical Specifications​
  • Model Number: IC694ALG223 (Variant of RX3i Series)
  • Manufacturer: GE (General Electric)
  • Product Type: Analog Current Input Module
  • Series: RX3i PACSystem (Industrial Automation)
  • Input Channels: 16 single-ended (configurable)
  • Input Ranges: 0-20 mA, 4-20 mA (standard), 4-20 mA (Enhanced)
  • Resolution: 12-bit (4 µA/bit @ 4-20 mA, 5 µA/bit @ others)
  • Update Rate: 13 ms per channel (6 ms typical)
  • Accuracy: ±0.25% full-scale @ 25°C; ±0.5% over operating temperature
  • Input Impedance: 250 Ω
  • Isolation: Optical (field to backplane), 1500 V AC for 1 minute
  • Power Consumption: 120 mA @ 5 V DC (backplane), 65 mA @ 24 V DC (external)
  • Operating Temperature: 0°C to +60°C (industrial-grade)
  • Storage Temperature: -40°C to +85°C
  • Humidity: 5–95% non-condensing
  • Weight: ~0.36 kg (0.79 lbs)
  • Certifications: CE, UL (inferred from GE industrial product standards)
Core Features & Customer Value​
1. Reliable Signal Acquisition:
The IC694ALG223’s 12-bit resolution and galvanic isolation ensure accurate measurement of analog current signals, even in electrically noisy environments. For example, in a power plant, the module can reliably measure turbine speed sensor signals, enabling the controller to adjust fuel flow and maintain optimal turbine speed.
2. Flexible Configuration:
The ability to configure each channel for 0-20 mA, 4-20 mA, or Enhanced 4-20 mA inputs allows engineers to customize the module’s functionality for different field devices, reducing the need for additional signal conditioning hardware. This flexibility saves time and money during installation.
3. Rugged Industrial Design:
The module’s operating temperature range (0°C to +60°C) and compact form factor make it suitable for harsh industrial environments. Its DIN rail mounting option simplifies installation in crowded control cabinets, reducing setup time and effort.
4. Easy Integration:

Compatibility with GE Fanuc RX3i systems ensures seamless integration with existing VMEbus architectures. This minimizes downtime and effort during upgrades, allowing facilities to enhance system capabilities without replacing entire infrastructures.

IC694ALG223

IC694ALG223

Typical Applications​
The GE IC694ALG223​ is widely used in industrial automation systems for:
  1. Power Generation:
    • Monitors current signals from turbine speed sensors, pressure transmitters, and temperature sensors to maintain stable power output.
  2. Manufacturing:
    • Measures current signals from process sensors (e.g., flow meters, level sensors) to control assembly line operations.
  3. Petrochemical Industry:
    • Acquires current signals from refinery equipment (e.g., distillation column sensors, pump monitors) to ensure safe and efficient operation.
  4. Water Treatment:
    • Monitors current signals from water quality sensors (e.g., pH meters, turbidity sensors) to maintain proper water quality.

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