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GE IS200VRTDH1B VRTD Board
GE Fanuc IS200VRTDH1B
1. Product Overview
The GE IS200VRTDH1B is a VME RTD module (Resistance Temperature Device Input Board), simply referred to as the VRTD board, belonging to General Electric’s Mark VI Speedtronic™ turbine control system series. As a mature product evolved from GE Speedtronic control technology since the Mark I launched in the 1960s, the Mark VI series is specially designed for integrated control, protection and monitoring of gas turbines and steam turbines.
2. Main Parameters and Technical Specifications
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Item
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Specification
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Manufacturer
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General Electric
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Product Series
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Mark VI Speedtronic™
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Full Product Name
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VME RTD Module / VRTD (Resistance Temperature Device Input Board)
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Alternative Model / Equivalent Board Number
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IS200VRTDH1BBA (Protective Coating Version)
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RTD Input Channels
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16 three-wire RTD inputs
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Input Signal Range
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Approximately 0.3532V to 4.054V
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Current Excitation
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10mA (supplied by VRTD board)
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A/D Conversion Method
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Implemented via sampling counter and voltage-to-frequency converter
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Supported RTD Types
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Supports linearization processing for 15 types of RTDs
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On-board Components
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Over 200 capacitors, hundreds of resistors, and more than 200 integrated circuits (including FPGA)
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Front Panel I/O
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37-pin latching D-Sub connector
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LED Indicators
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3 LEDs: Run (green flashing), Fault (red), Alarm (orange)
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System Redundancy
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Supports redundant design to prevent single-point failure
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Detection Function
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Supports RTD open-circuit and short-circuit detection
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3. Product Features
High-precision Temperature Measurement: Collects temperature signals through a three-wire RTD configuration, supports multiple RTD sensor types and realizes accurate linearization calibration.
Multi-channel Support: Equipped with 16 three-wire RTD input channels to meet the requirements of multi-point temperature monitoring scenarios.
Redundant Safety Design: Adopts a redundant system architecture, ensuring that single-board failures will not affect the overall system operation.
Automatic Fault Self-detection: Built-in RTD open-circuit and short-circuit detection functions enable rapid fault location and troubleshooting.
LED Status Indication: Three visual status indicators (Run, Fault, Alarm) support real-time status monitoring and on-site rapid diagnosis.
VME Bus Compatibility: Standard single-slot VME board design, compatible with 13-slot or 21-slot VME racks for flexible installation.
Military-grade Component Density: Integrates hundreds of resistance and capacitance components and over 200 integrated circuits, including FPGA programmable logic devices, ensuring stable and reliable performance.
4. Structure and Composition
Substrate: Adopts a single-slot width Printed Circuit Board (PCB), compatible with standard VME chassis.
Connector: Equipped with a front-mounted 37-pin latching D-Sub connector for RTD input wiring and stable signal connection.
Panel: Metal structural panel with reserved windows for 3 LED status indicators.
Core Components: FPGA programmable logic device, more than 200 capacitors, hundreds of resistors, and over 200 integrated circuits.
Cable Connection: Connects to VME racks and RTD terminal boards via dedicated cables with molded connectors.
5. Application Fields
Based on the overall application scenarios of the Mark VI system, the IS200VRTDH1B module is widely applied in the following fields:
Gas & Steam Turbine Control System (Core Application): Realizes real-time temperature monitoring and equipment protection for turbine units.
Power Plants: Applied to turbine control and operational management of power station equipment.
Industrial Process Control: Collects and measures key process parameters such as temperature and pressure in industrial production processes.
Oil & Gas Industry: Supports precise control and stable operation of driving equipment in oil and gas production and transmission.
Motion Control and Data Acquisition: Serves as an analog input module to expand system data acquisition and control capabilities.
6. Installation and Maintenance
Installation Method: Standard single-slot VME bus plug-in card, which needs to be inserted into the matching slot of the Mark VI system VME rack.
Matching Terminal Board: Required to be used with supporting RTD terminal boards (e.g., DRTD DIN-type terminal board).
Wiring Specification: Connect external sensors and terminal boards through the 37-pin D-Sub connector and molded dedicated cables.
Maintenance Guidelines:
1. Regularly check the LED status indicators; the green Run LED should flash normally during system operation.
2. If the red Fault LED is constantly on, troubleshoot open-circuit/short-circuit faults of the corresponding RTD channel or board hardware failures in a timely manner.
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