General Electric IS200WROBH1A Mark VIe TMR Option Board

Product Overview

The IS200WROBH1A is a WROB Relay Fuse and Power Sensing Board manufactured by General Electric. This option board belongs to the Mark VIe series and provides critical power distribution and sensing functions for discrete input/output modules.

Technical Specifications

• Manufacturer: General Electric (GE)
• Part Number: IS200WROBH1A
• Board Type: WROB Relay Fuse and Power Sensing Board
• Series: Mark VIe Control System
• Fuse Value: 3.15 Amperes Default Rating
• Manual Reference: GEH-6721L Technical Documentation
• Functional Abbreviation: WROB Board Classification
• Relay Designation: TRLY Function Equivalent

Redundancy & Compatibility

• Redundancy Modes: Simplex, Redundant, and TMR Support
• I/O Redundancies: Both TMR and Simplex I/O Pack Configurations
• Terminal Board Compatibility: TDBTH2, TDBTH4, TDBTH6 Models
• Mounting Compatibility: TDBS, SRLY, and TDBT Boards
• System Integration: PDIO Discrete Input/Output Module Component
• TMR Application: Mounts on TDBT Board as TBCI Equivalent

Functional Capabilities

• Power Sensing: Voltage Status Detection Capability
• Fuse Monitoring: Six Fuse Pair Status Detection
• Power Distribution: Sensed and Fused Power Delivery
• Relay Control: Equivalent to IS20TRLYH1B Board Function
• Isolated Voltage: Detection of Fuse Status Conditions
• Circuit Protection: 3.15A Fuse Protection Standard

Power Distribution Features

• Initial Outputs: First Six Relay Outputs with Sensed/Fused Power
• Final Outputs: Dedicated Power Supply for Remaining Relays
• Fuse Configuration: Six Independent Fuse Pairings
• Status Detection: Individual Fuse Status Monitoring
• Isolation: Voltage Isolation for Safety and Accuracy
• Distribution: Controlled Power Distribution to Multiple Outputs

Board Integration

• Primary Function: Option Board for Discrete I/O Modules
• Companion Boards: Works with TDBS, SRLY, and TDBT Boards
• Module Application: PDIO Discrete Input/Output Systems
• TMR Configuration: Functions as Terminal Board Combined with Contact Input
• Mounting Method: Direct Mounting on Compatible Base Boards

Application Scenarios

• TMR Applications: Provides TBCI Equivalent Functionality
• Simplex Systems: Standard Relay and Fuse Protection
• Redundant Configurations: Enhanced System Reliability
• Industrial Control: Discrete I/O Module Power Management
• Safety Systems: Fuse Protection and Status Monitoring

Technical Documentation

• Primary Manual: GEH-6721L Technical Reference
• Installation Guide: Standard Mark VIe Procedures
• Configuration: ToolboxST Software Compatibility
• Specifications: Complete Technical Data Sheets
• Application Notes: Specific Implementation Guidelines

Key Features

• 3.15 Ampere Fuse Protection Standard
• Supports Simplex, Redundant, and TMR Modes
• Compatible with TDBTH2, TDBTH4, TDBTH6 Terminal Boards
• Six Fuse Pair Status Detection Capability
• Power Sensing and Distribution Functions
• Equivalent to IS20TRLYH1B Relay Board Functionality
• GEH-6721L Manual Documentation Support

System Benefits

• Enhanced System Reliability through Fuse Protection
• Flexible Integration with Multiple Base Boards
• Comprehensive Status Monitoring Capabilities
• Standardized Mark VIe System Compatibility
• Simplified Maintenance through Fuse Status Detection
• Multiple Redundancy Mode Support

Frequently Asked Questions

What redundancy modes does this board support?
The IS200WROBH1A supports three redundancy modes: simplex operation, redundant configurations, and TMR (Triple Modular Redundancy) systems.

Which terminal boards are compatible?
This board is compatible with TDBTH2, TDBTH4, and TDBTH6 terminal boards within the Mark VIe system architecture.

What is the default fuse rating?
The board features a default fuse value of 3.15 amperes for circuit protection across its power distribution channels.

How does it function in TMR applications?
In TMR applications, the board mounts on TDBT boards and provides functionality equivalent to a combined terminal board and contact input terminal board (TBCI).

What documentation covers this board?
Complete technical specifications and installation procedures are documented in the GEH-6721L manual for the Mark VIe series.

Contact Information

• Sales Inquiries: sales@nex-auto.com
• Phone/WhatsApp: +86 153 9242 9628

Partner: AutoNex Controls Limited