Description
The WOODWARD 5466-253 is a robust Analog Combo Module designed for Woodward’s MicroNet TMR (Triple Modular Redundant) control systems. It is primarily used in critical industrial applications, such as steam turbine and compressor control, where high reliability and precise I/O integration are essential. This module consolidates multiple input and output functions into a single unit, helping to reduce system wiring complexity and save valuable chassis space.
Technical Specifications
- Manufacturer: Woodward
- Series: MicroNet TMR / HDCombo
- Module Type: Analog Combo Module
- Channels:
- Analog Inputs: 8 channels (0–25 mA)
- Analog Outputs: 4 channels
- Speed Inputs: 4 channels (magnetic pick-up or proximity probe)
- Proportional Actuator Outputs: 2 channels (4–20 mA or 20–160 mA)
- Update Time: 5 ms
- Country of Origin: USA
Product Features
- Integrated Versatility: Combines speed sensing, analog measurement, and actuator driving into one module, simplifying system architecture.
- TMR Compatibility: Specifically optimized for Triple Modular Redundant (TMR) systems to ensure maximum fault tolerance and uptime in critical processes.
- Precision Control: Supports high-density input/output requirements for proportional actuators commonly found in turbine valve control.
- Diagnostic Monitoring: Features fault detection capabilities on analog outputs to promptly identify and annunciate channel or module abnormalities.
Frequently Asked Questions (Q&A)
❓ What systems is the 5466-253 designed for?
It is primarily used in MicroNet TMR systems and is a preferred component for 5009 systems that control valves via proportional actuators.
❓ What does the “HDCombo” designation mean?
“HDCombo” refers to “High Density Combo” modules. The 5466-253 is an older, highly reliable design that remains a “preferred” module for TMR systems due to its integrated proportional actuator capability, which newer combo modules sometimes lack.
❓ Is the module hot-swappable?
Yes, like most modules in the MicroNet family, it is designed for installation and replacement within the system chassis.
❓ What should I do if a fault occurs?
The module is equipped with fault detection. If a fault is annunciated, the application program can be configured to take safety actions, such as disabling the affected channel or raising an alarm.
Related Woodward Modules
If you are maintaining a MicroNet system, you may also encounter these related I/O and control modules:
- 5466-316: A Simplex version of the HDCombo module, often used for retrofits.
- 5466-1115: A newer speed/analog combo module, typically used when separate actuator drivers are available.
- 5464-218: A common Discrete Input Module used within the MicroNet architecture.
