IS420YDOAS1B GE Module Parts Discrete Output I/O Pack

Product Summary
The GE IS420YDOAS1B Discrete Output I/O Pack offers 12 relay channels, dual Ethernet, and IEC 61508 safety compliance for Mark VIe/VIeS systems. Built for harsh environments with a durable aluminum case, it supports Simplex or TMR redundancy and delivers reliable performance for industrial turbine control.
Product Description
Technical Specifications
Parameter Specification
ManufacturerGeneral Electric (GE)
ModelIS420YDOAS1B
Product TypeDiscrete Output I/O Pack
Functional AbbreviationYDOA
Product SeriesMark VIe / Mark VIeS
I/O FunctionDiscrete Output
Maximum Output Channels12 relay outputs
Communication InterfaceDual Ethernet
Ethernet ConnectorRJ45
Output ConnectorDC-37 pin
Power Supply24/28 V DC
Maximum Power Consumption19.8 W
Processor BoardBPPC
Diagnostic FunctionsLED indicators and circuit health monitoring
Safety StandardIEC 61508
Operating Temperature-40 to +70°C
Storage Temperature-40 to +85°C
HousingAluminum case
MountingInstalled with approved terminal-board assembly
RedundancySimplex or TMR, depending on configuration
GE IS420YDOAS1B Discrete Output I/O Pack module with aluminum housing and DC-37 output connector
Key Features
  • Supports up to 12 discrete relay output channels.
  • Compatible with Simplex and TMR architectures, depending on terminal-board configuration.
  • Dual Ethernet communication interfaces.
  • Supports terminal-board-specific feedback.
  • Built-in diagnostic and monitoring capabilities.
  • Designed for harsh industrial operating environments.
  • IEC 61508 safety-system compatibility.
Compatible Terminal Boards

The IS420YDOAS1B is designed to work with specified GE relay terminal boards.

Terminal Board Function
IS410TRLYS1BRelay output with coil sensing
IS410TRLYS1DRelay output with solenoid integrity sensing
IS410TRLYS1FTMR voted normally open relay contacts
IS410TRLYS2FTMR voted normally closed relay contacts
GE IS420YDOAS1B compatible relay terminal boards for Mark VIe and Mark VIeS systems
Frequently Asked Questions
Q1: What is the GE IS420YDOAS1B module?

The GE IS420YDOAS1B is a Mark VIeS Discrete Output I/O Pack designed to control relay outputs in industrial turbine and safety control systems.

Q2: How many output channels does the IS420YDOAS1B support?

It supports up to 12 discrete relay output channels, depending on the connected terminal-board configuration.

Q3: What is the operating voltage of the IS420YDOAS1B?

The module uses a 24/28 V DC control power supply.

Q4: Is the IS420YDOAS1B compatible with TMR systems?

Yes. It supports TMR configurations when used with the appropriate GE terminal boards and system architecture.

Product Details
Highlight:

GE Discrete Output I/O Pack

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IS420YDOAS1B GE Module Parts

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GE Discrete Output Module

Operatingtemperature: -20°C To 85°C
Voltagerating: 120V - 480V
Dimensions: 150mm X 100mm X 50mm
Warranty: 1 Years
Compatibility: GE Module Series X And Y
Currentrating: Up To 100A
Weight: 500 Grams
Manufacturer: General Electric

Miss. Liliya

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