GE WESDAC D20A Analog Input Module (AI)

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    • Product Code: WESDAC D20A
    • Availability: In Stock
    GE WESDAC D20A
    Manufacturer: GE (Westinghouse/Emerson)
    Part No: WESDAC D20A
    Type: Analog Input Module (AI)
    Status: DCS data acquisition & control module
    1. General Description
    The GE WESDAC D20A is a high-performance analog input module for the WESDAC/WDPF distributed control system (DCS). Paired with the WESTERM D20A termination base, it acquires and conditions field analog signals, transmitting data to the main D20 processor. It supports multiple sensor types with built-in surge protection and channel isolation for high reliability in harsh industrial environments{insert\_element\_0\_}.
    2. Key Specifications
    • Channels: 16/32 differential analog inputs
    • Signal Types: Thermocouple (J/K/T/E/R/S), Pt100 RTD, ±mV, 4–20mA, 0–5/10V
    • Accuracy: ±0.05% (voltage), ±0.1% (current)
    • Resolution: 14-bit plus sign
    • Processor: 8-bit Freescale 68HC11, 2MHz clock
    • Memory: 32KB EPROM, 24KB RAM, 512B EEPROM
    • Communication: D.20 link (DNP3/HDLC), DB9 port
    • Power: 24VDC; Operating Temp: -40°C to +85°C
    • Installation: 19” rack mount (with WESTERM D20A)
    3. Part Number Definition
    • WESDAC: Westinghouse Distributed Control System series
    • D20: D20 series I/O & control platform
    • A: Analog input module type
    4. Typical Applications
    • Power plants & substations (DCS/SCADA monitoring)
    • Chemical & petrochemical process control
    • Industrial furnace & boiler parameter monitoring
    • Data acquisition for manufacturing & water treatment
    GE © WESDAC D20A Analog Input Module


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