IS200VRTDH1DAB Mark VI RTD Processor Board VRTD GE

Precise RTD Signal Processing for Temperature Monitoring

General Electric designed the IS200VRTDH1DAB for accurate temperature measurement. This RTD Processor Board operates within Mark VI Speedtronic systems. It provides reliable excitation and processing for resistance temperature detectors in turbine control applications.

Core Technical Specifications

• Manufacturer & Model: General Electric IS200VRTDH1DAB
• Product Type: Resistance Temperature Device Processor Board
• Series: Mark VI Speedtronic System
• Channels: 16 RTD input channels
• Voltage Span: 0.3532 to 4.054 Volts
• Scan Rate: 40 ms fast scan (25 Hz)
• Power Consumption: Less than 12 Watts

Signal Processing & Excitation

• Excites RTDs to generate accurate temperature signals
• Processes returned signals from RTD sensors
• Converts analog signals to digital temperature values
• Collaborates with I/O processor for data conversion
• High-frequency decoupling at signal entry points
• Mitigates impact of high-frequency noise on signals

Communication & Data Transfer

• Transmits digital values over VME backplane
• High-speed communication within system architecture
• Forwards temperature data to VCMI board
• Integrates with system controller for decision making
• Ensures accurate temperature monitoring for control
• Reliable data transfer for system management

Redundancy & Fault Tolerance

• Redundant pacemakers for RTD multiplexing
• Prevents signal loss in control database
• Tolerates single cable or board failures
• Synchronizes multiplexing operations continuously
• Triple-redundant backups on critical controls
• Enhanced system robustness and reliability

Simultaneous Reading & Skewing

• R, S, T modules read RTDs simultaneously
• Strategic skewing mechanism with temporal offset
• Two-position skewing prevents simultaneous excitation
• Prevents conflicting signals and inaccurate readings
• Each RTD excited independently during dedicated time
• Ensures data integrity and measurement accuracy

Fault Detection & Recovery

• Detects RTD short and open circuit conditions
• Identifies out-of-range hardware limit values
• Removes faulty RTDs from scanned inputs
• Prevents adverse effects on other input channels
• Manual or automatic reinstatement capabilities
• Automatic reinstatement every 20 seconds if within range

Electrical Specifications

• Common Mode Voltage: 5 Volt operational range
• Lead Resistance: 15 ohm maximum allowable
• Power Consumption: Under 12 Watts efficiency
• High-frequency noise protection for signal integrity
• Accurate readings despite electromagnetic interference
• Optimized for industrial environment operation

Physical Board Characteristics

• Front faceplate attached with three screws
• Designed for VME rack mounting assembly
• Two backplane connectors on board rear edge
• Over 200 integrated circuits for processing
• Over 200 capacitors and several hundred resistors
• Components on both front and rear surfaces

Markings & Identification

• Manufacturer logo on board and faceplate
• Board ID number clearly marked
• "6BA01" and "94V-0" codes on surface
• Standard voltage protection components
• Conformal PCB coating for environmental protection
• Group 1 Mark VI Series product grouping

System Integration

• Part of Mark VIe Speedtronic control system
• Central control module with PC-based HMI interface
• Connects to turbine control software
• Single location access to turbine data
• Triple-redundant design for critical applications
• Enhances reliability and reduces downtime

Application Areas

• Steam turbine temperature monitoring systems
• Gas turbine temperature measurement and control
• Heavy-duty turbine management applications
• Industrial process temperature monitoring
• Critical temperature measurement in power generation
• Reliable temperature sensing for control systems

Product Availability

• Current Status: In stock for immediate shipment
• New and original General Electric component
• Normal assembly style with three revision history
• Backwards compatible with first two revisions
• Manufactured in the United States
• Ready for integration into temperature monitoring systems

Documentation & References

• Refer to "Mark VI Turbine Control System Guide Vol II"
• GEH-6421 manual provides comprehensive information
• Board operation and specification details documented
• Installation and maintenance guidelines available
• Technical support for system integration
• Complete operational documentation provided

Shipping & Delivery

• Fast shipping via FedEx, UPS, and DHL services
• Orders typically ship within 24 business hours
• International shipping available worldwide
• Complete tracking information provided
• Professional packaging ensures board protection

Frequently Asked Questions (FAQ)

How many RTD channels does this board support?

• The IS200VRTDH1DAB supports 16 RTD input channels for comprehensive temperature monitoring.

What is the fast scan rate capability?

• Features 40 ms fast scan capability (25 Hz) for rapid temperature measurement updates.

How does the skewing mechanism work?

• Uses strategic temporal offset so R, S, T modules read different RTDs simultaneously, preventing excitation conflicts.

What fault detection features are included?

• Detects short/open circuits, removes faulty RTDs from scanning, and allows manual/automatic reinstatement.

What is the power consumption?

• Consumes less than 12 Watts for efficient operation within the control system.

How are temperature values communicated?

• Digital values transmitted over VME backplane to VCMI and system controller for processing and control decisions.