GE 820-0154 WESDAC D20 S | I/O Module

Overview

The GE 820‑0154 WESDAC D20 S is a high-performance I/O expansion module designed for use with the GE D20 Remote Terminal Unit (RTU). Built for reliable, continuous operation in utility substations and SCADA systems, this module provides robust interfacing between field devices such as sensors, actuators, and transducers and the D20 processor. Its rugged construction ensures stable performance in harsh industrial environments.

Key Features

• Reliable acquisition of both analog and digital signals for utility and process automation

• Flexible I/O support: multiple analog channels (voltage/current) and digital contact inputs

• Industrial-grade isolation and protection against electrical noise

• Wide operating temperature range (-40 °C to +70 °C) suitable for outdoor substations

• Seamless integration with GE D20 RTU backplane for efficient communication

Technical Specifications

Applications

The GE 820‑0154 module is ideal for:

• Substation automation systems

• SCADA Remote Terminal Units

• Field signal acquisition for monitoring and control

• Harsh outdoor industrial environments

FAQ

Q: Can this module operate in extreme temperatures?
A: Yes, it supports -40 °C to +70 °C for reliable outdoor use.

Q: Does it support both analog and digital signals?
A: Yes, it provides multiple analog channels (voltage/current) and digital inputs.

Q: How does it connect to the D20 CPU?
A: It communicates via the D20 backplane for seamless integration with the RTU processor.