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Woodward MicroNet TMR® Control System Description

From:Woodward | author:Mr.Chen | Time :2025-06-07 | 70 view: | Share:

Description

The MicroNet TMR® control platform features a ruggedized rackmount chassis

with in-line replaceable I/O modules and triple modular architecture for 99.999% availability.

This triple modular redundancy-based system consists of three independent cores (A, B, and C) housed in the platform's compact chassis.

Each core section includes its own CPU, CPU power supply, and up to four I/O modules,

which can be used for simplex I/O, redundant I/O, triple redundant I/O, or any combination of redundancy.

I/O can be expanded via a system expansion chassis or the ruggedized LinkNet HT Distributed I/O.

The platform's high-density modules and integrated application software reduce

troubleshooting time by providing first-out indication of monitored system events.

These specialized modules can time stamp discrete events in 1 millisecond and analog events in 5 milliseconds.

The MicroNet TMR® utilizes two power supplies, each supplying power to the controller from a separate power source.

Within each power supply are three independent power converters, one each for the CPU and I/O sections.

This triple power supply structure provides maximum protection against single or multiple points of hardware failure.

The controller's dedicated TMR® Discrete I/O Module is designed for critical discrete circuits.

The module accepts discrete inputs and distributes them to each individual core section,

as well as outputs relay contacts to drive discrete application logic.

The module's special TMR® outputs utilize a six-relay configuration and integrated potential fault detection

logic that allows any one or two relays to fail without affecting the integrity of the output contacts.

This configuration allows routine relay testing and in-circuit repair without compromising output or system integrity.

Designed from the ground up as a turbine control system, the MicroNet TMR® controller's actuator

drive module is available with the use of single or dual redundant coils,

Proportional or integral turbine valve servos with AC or DC feedback position sensors using single or dual redundant coils.

The MicroNet TMR® controller can accommodate any combination of Woodward MicroNet I/O modules and LinkNet HT

distributed I/O to provide maximum application flexibility.

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