The Woodward 5461-650 T/C Input Board is a specialized thermocouple input module designed for Woodward control platforms, primarily for monitoring temperature-critical processes in turbine control, industrial engines, power generation, and process plants. The module enables high-accuracy thermocouple temperature measurements and integrates seamlessly into control systems requiring precise temperature feedback.

Built for harsh environments, the 5461-650 T/C Input Board accepts multiple thermocouple types and provides linearized, isolated, and highly stable analog input signals to the control processor. It supports high-speed sampling and advanced diagnostics, ensuring reliable operation even in high-vibration, high-temperature, or electromagnetically noisy conditions.

A critical component for systems that demand accuracy and availability, the 5461-650 is trusted by OEMs, operators, and engineers across various industries, from power plants to oil & gas refineries, to maintain safe, stable, and optimized process control.

Product Specifications

Applications

The Woodward 5461-650 T/C Input Board is used extensively in applications that require continuous, accurate temperature monitoring and control for critical equipment:

• Gas and Steam Turbines

  Blade temperature monitoring, exhaust temperature control, thermal profiling.

• Power Generation

  Boiler temperature monitoring, generator stator/rotor temperature.

• Industrial Engines

  Cylinder temperature monitoring for reciprocating engines.

• Oil & Gas

  Compressor temperature feedback, refinery heaters, fired equipment.

• Process Industries

  Chemical processing, metal smelting, and materials manufacturing.

• Pulp & Paper

  Drying section temperature control, steam control.

• Marine Propulsion Systems

  Monitoring of turbochargers and exhaust gas temperature.

Product Advantages

• High Accuracy & Stability

  16-bit resolution with ±0.1% span accuracy ensures precise temperature monitoring across the entire range.

• Wide Thermocouple Support

  Compatible with a broad range of standard thermocouples — Type J, K, E, T, R, S, B, N.

• Built-in Diagnostics

  Provides sensor open-circuit detection, alarm functions, and detailed channel status, improving safety and reducing troubleshooting time.

• Isolated Design

  Fully isolated inputs improve noise immunity and system safety, critical for turbine and high-vibration environments.

• Redundancy Ready

  Can be configured as part of redundant control systems for high availability applications.

• Fast Sampling

  Supports high-speed data acquisition to enable fast loop controls and accurate response to temperature fluctuations.

• Industrial-grade Build

  Operates reliably in environments with wide temperature variations and high electrical noise.

• Seamless Integration

  Designed for plug-in compatibility with Woodward’s control systems and backplanes — simple commissioning and service.

• Extended Operational Life

  MTBF of over 450,000 hours ensures dependable long-term use.

• Certified for Global Use

  CE, UL, CSA certifications meet international industrial compliance requirements.

Frequently Asked Questions (FAQ)

1. What thermocouple types does the 5461-650 T/C Input Board support?

   It supports Type J, K, E, T, R, S, B, and N thermocouples.

2. How many input channels does this module have?

   It has 8 independent thermocouple input channels.

3. Does this board provide input isolation?

   Yes, channel-to-channel and channel-to-ground isolation is provided.

4. Is redundancy supported?

   Yes, it can be used in redundant configurations with compatible Woodward controllers.

5. What is the temperature measurement range?

   The input range depends on the thermocouple type — up to +1800 °C for certain types.

6. What diagnostic features are included?

   Built-in open-circuit detection and sensor failure alarms are included.

7. Is the module hot-swappable?

   Hot-swap capability depends on system configuration — consult system documentation.

8. What is the power requirement?

   Operates on nominal 24 VDC with < 8 W power consumption.

9. Can this module be used in outdoor environments?

   It is intended for industrial indoor applications — for outdoor use, a suitable enclosure is required.

10. How long is the expected service life?

    With an MTBF of over 450,000 hours, it is designed for many years of reliable operation.