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Woodward Unit 9907-164 from 505 Digital microprocessor-based Controllers for Steam Turbines with Single or Split-Range Actuators.

The 9907-164 unit is designed to control the steam turbine by operating a single extraction and/or the admission for the turbine. It utilizes the turbine’s split-stage actuators, either one or both of them, to drive the inlet valves for steam.

This unit, like any of the 505 governor modules, is able to be configured in the field by the on-site operators. The menu-driven software is controlled and altered by the operator control panel integrated onto the front-facing side of the unit. The panel has a display of two lines of text, 24 characters per line.

The 9907-164 is outfitted with a series of discrete and analog inputs: 16 contact inputs (4 of them dedicated, 12 of them programmable), and then 6 programmable current inputs, at 4 to 20 mA. The standard features included into the 9907-164’s capabilities are the critical speed avoidance, valve limiters, the auto start sequence, and the first-out indicator for shutdowns.

Brands: ABB, GE, Allen Bradley ,Honeywell, Emerson,  Bently Nevada,Prosoft, Siemens, Westinghouse, Triconex, Foxboro, ICS Triplex, Hima, Schneider. Bachmann, Yokogawa, Woodward, Woodhead,KEBA, ect.

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