GE IS420YDOAS1B Discrete Output Module with Relay Monitor

Product Overview

The IS420YDOAS1B is a high-performance discrete output module from GE. It uses surface-mount relay technology. This module also includes coil monitoring for each relay. It works well in demanding industrial environments.

This module supports simplex or TMR (Triple Modular Redundant) systems. The BPPC processor board ensures reliable operation. It delivers a fast I/O pack response time of just 6 ms.

This GE module is built for tough conditions. It operates in ambient temperatures from -40 to 158 °F. The compact design saves space in your control panel.

Application Scenarios

This module is ideal for turbine control systems. It also works well in power generation plants. Use it in oil and gas facilities. It fits into safety-critical automation processes.

Engineers use this module for discrete on/off control. It controls actuators, solenoids, and indicators. The relay monitoring feature gives real-time feedback. This helps prevent system failures.

Technical Specifications

Here are the key technical specs for this module. The functional abbreviation is YDOA. It has 12 relay or coil monitors. The redundancy compatibility covers simplex or TMR.

The processor board is a BPPC type. The I/O pack response time is 6 ms. The ambient temperature range is -40 to 158 °F. The part number is IS420YDOAS1B.

The dimensions are 3.25 inches high. It is 1.65 inches wide. The depth is 4.78 inches. This small size fits into tight spaces.

Installation & Maintenance Guide

First, power down the system completely. Then mount the module on a DIN rail. Connect the wiring to the terminal blocks. Ensure all connections are tight.

Check the coil monitoring status regularly. Replace any faulty relays quickly. Keep the module free from dust. Use compressed air for cleaning.

Always follow the GE user manual. Use only approved cables and connectors. Do not exceed the rated voltage. This ensures long service life.

Packing List

Each order includes one GE discrete output module. You also get a quick start guide. The product is packed in an anti-static bag. It ships in a sturdy cardboard box.

We ship using FedEx, UPS, or DHL. The shipping method depends on your location. Contact us for faster shipping options. We ensure safe and timely delivery.