GE WESDAC D20A0511-01010 Analog Input Module (WESDAC D20 DCS Compatible)

Description

Detailed Technical Specifications
Parameter: Model | Value: WESDAC D20A0511-01010
Parameter: Brand | Value: GE
Parameter: Type | Value: Analog input and control module
Parameter: Power Supply | Value: 20–60 VDC (typical), consult specific variant
Parameter: Operating Temperature | Value: Industrial range (exact limits depend on variant)
Parameter: Mounting | Value: 19″ equipment enclosure module (subsidiary details variant-dependent)
Parameter: Dimensions | Value: Standard GE D20 module footprint (variant dependent)
Parameter: Weight | Value: Manufacturer-specified (variant dependent)
Parameter: Interfaces | Value: Analog input channels, digital I/O, communication ports (variant dependent)
Parameter: Certifications | Value: RoHS, EMC/industrial certifications typical
Parameter: Cooling | Value: Passive/ambient cooling within enclosure
Parameter: Environmental Rating | Value: Industrial

Real-World Use & Application Scenarios
Where is this product used and why? In power distribution, substation monitoring, and industrial automation, the WESDAC D20A0511-01010 family plays a pivotal role as a smart measurement and control interface. Facilities rely on precise voltage and current measurement, protective relays, and scalable control signaling to maintain reliability across critical infrastructure. You’ll see this hardware in substations, utility automation cabinets, and process plants where compact modules must endure harsh environments while handling multiple analog inputs and digital outputs. Operators value the ability to integrate measurement data with centralized SCADA, energy management systems, and local protection schemes, often within a modular digitizer or RTU stack. The unit’s design aims to reduce panel space, simplify wiring, and support quick commissioning through standardized connectors and robust fault-detection features. In practice, engineers deploy these modules behind power protection panels, linking analog sensing to programmable logic controllers, telemetry gateways, and remote diagnostics platforms. This approach helps sustain process observability, improve fault isolation, and shorten mean time to repair in mission-critical operations.

Product Introduction & Positioning
The WESDAC D20A0511-01010 is a high-performance measurement and control module designed to pair with the D20 family’s processing and termination architecture. It typically functions as the analog input processing and control signal interface within GE energy and automation ecosystems, bridging field sensors to the main processor. The module fits within a multi-module D20 architecture, enabling clear separation of field wiring, signal conditioning, and processing. System architects appreciate its modularity, which supports scalable channel counts, deterministic behavior, and straightforward integration with existing GE D20 backplanes or compatible subsystems. The D20A0511-01010 variant emphasizes reliable analog processing and configurable I/O, delivering a predictable path for engineers upgrading legacy control networks or implementing new substations and automation cabinets.