9907-164 WOODWARD 超速测试按钮

这里列出的设备是9907-164型号，505和505E基于微处理器的总督控制单元的一部分。这些控制模块是专门设计来操作汽轮机，以及涡轮发电机和涡轮膨胀器模块。505/505E系列初由伍德沃德公司开发、生产和制造。伍德沃德是美国历史悠久的工业制造商，成立于1870年，今天仍然是市场上领 先的工业公司之一。这些505和505E型号可从我们这里在AX控制公司作为我们的库存的一部分，但修复和修复的数字硬件。

该9907-164单元的设计是通过操作单一的提取和/或涡轮的入场来控制汽轮机。它利用涡轮的分级执行器，其中一个或两个，来驱动蒸汽的入口阀。

与505调控器模块中的任何一个一样，该单元可以由现场操作人员在现场进行配置。菜单驱动的软件由集成在设备正面的操作员控制面板控制和更改。面板显示两行文本，每行24个字符。

9907-164配备了一系列离散和模拟输入:16个接触输入(其中4个专用输入，12个可编程输入)，然后6个可编程电流输入，在4到20 mA。9907-164的标准功能包括临界速度避免，阀门限制器，自动启动顺序和关闭的先出指示器。

The device listed here is the 9907-164 model, a part of the 505 and 505E Microprocessor-based governor control units.  These control modules were designed specifically to operate steam turbines, as well as turbogenerators and turboexpander modules.  The 505/505E series was developed, produced, and manufactured originally by Woodward Inc.  Woodward is the oldest industrial manufacturer in America, founded in 1870, and still, today remains one of the leading industrial companies in the market.  These 505 and 505E models are available from us here at AX Control Inc. as a part of our inventory of used, yet reconditioned and repaired digital hardware.

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.


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