GE 820-0181 WESDAC D20 K | Analog Input Module

Overview

The GE 820‑0181 WESDAC D20 K is a high-reliability analog input module designed for integration within GE D20 Remote Terminal Unit (RTU) systems. This industrial-grade module ensures precise acquisition of analog signals from field devices, including sensors, transducers, and actuators, for SCADA and substation automation applications. The “K” variant is optimized for isolated analog input channels with advanced scaling suitable for utility environments.

Technical Specifications

Key Features

• Accurate and reliable analog signal acquisition for utility and SCADA systems.

• Supports both current and voltage input signals.

• Ruggedized design capable of continuous operation in harsh substation environments.

• Wide temperature tolerance for outdoor and industrial applications.

• Seamless integration with GE D20 RTU processors.

Applications

• Substation automation and control

• SCADA system analog input acquisition

• Power utility monitoring and control

• Industrial process measurement and telemetry

Similar Model Comparison

• D20 J Variant: Designed for digital inputs/outputs with faster scanning rates.

• D20 K Variant: Focused on isolated analog inputs with precision scaling for voltage and current signals.

• D20 L Variant: Mixed I/O module supporting both analog and digital channels.

FAQ

Q: Is this module compatible with all D20 RTU racks?
A: Confirm compatibility with your rack configuration; the module uses standard D20 backplane connections.

Q: Can it handle both 4–20 mA and 1–5 V signals simultaneously?
A: Yes, each input channel can be configured individually for current or voltage signals.

Q: What is the expected service life?
A: Designed for continuous industrial operation, typically exceeding 10 years under normal conditions.