Woodward 5437-1124 MicroNet TMR Analog Input Module

Woodward 5437-1124 is an analog input module belonging to the Woodward MicroNet TMR turbine control system. It is designed to collect 4-20mA analog field signals including pressure, temperature and flow, converting them into digital data for turbine governor and safety protection logic processing.

This plug-in rack module features triple modular redundancy voting and channel fault diagnosis, communicating with the MicroNet TMR backplane bus. It is widely used in steam/gas turbine control cabinet maintenance, spare replacement and power generation unit control system renovation projects.

Data Parameters

• 1. Brand: Woodward.

• 2. Model: 5437-1124.

• 3. Product Type: MicroNet TMR Analog Input Module.

• 4. Product Series: MicroNet TMR Turbine Control System.

• 5. Input Signal: 4-20mA analog process signals.

• 6. Redundancy: TMR triple modular voting architecture.

• 7. Diagnosis: Channel overrange, wire break and circuit fault detection.

• 8. Communication: MicroNet TMR rack backplane bus.

• 9. Mounting: Plug-in installation inside MicroNet TMR subrack.

• 10. Operating Temperature: -20℃ ~ +60℃.

Core Functions

• 1. Receive 4-20mA analog signals from field transmitters for pressure, temperature, flow and vibration measurement.

• 2. Convert analog signals to digital values and implement TMR voting to improve measurement reliability for turbine control.

• 3. Continuously detect channel wire break, over-range and hardware failures, and send diagnostic alarms to main controller.

• 4. Transmit converted process data via backplane bus to MicroNet TMR CPU for governor and protection logic calculation.

• 5. Cooperate with other TMR modules to realize safe and stable control of gas turbine and steam turbine units.

Application Scenarios

• 1. Power plant MicroNet TMR steam/gas turbine control cabinet spare replacement.

• 2. Cogeneration unit turbine governor and safety protection system upgrade project.

• 3. Petrochemical plant gas turbine drive compressor control cabinet spare renewal.

• 4. Power generation industry TMR turbine control spare inventory backup.

• 5. Legacy Woodward MicroNet TMR aging analog input module replacement project.

FAQ

• 1. Q: What is Woodward 5437-1124?
      A: It is Woodward MicroNet TMR analog input module, collecting 4-20mA field transmitter signals for turbine control system.

• 2. Q: What is TMR architecture?
      A: Triple Modular Redundancy, three parallel signal channels for voting, greatly improving safety and availability of turbine control.

• 3. Q: Can it be hot swapped?
      A: Under TMR redundant rack configuration, it supports hot swap; follow Woodward maintenance manual during replacement.