WOODWARD 9907-164 数字控制器

WOODWARD 9907-164  数字控制器

9907-164 装置设计用于通过操作涡轮机的单次抽排和/或进入来控制蒸汽轮机。它利用涡轮机的分级执行器（其中一个或两个）来驱动蒸汽的进气阀。

与任何 505 调速器模块一样，该装置可由现场操作员在现场进行配置。菜单驱动软件由集成在设备正面的操作员控制面板进行控制和更改。该面板显示两行文本，每行 24 个字符。

9907-164 配备了一系列离散和模拟输入：16 个触点输入（其中 4 个专用，12 个可编程），然后是 6 个可编程电流输入，电流电流输入为 4 至 20 mA。9907-164 功能中包含的标准功能包括临界速度规避、阀门限制器、自动启动顺序和停机先出指示器。

The 9907-164 device is designed to control the steam turbine by operating the single pumping and/or entering of the turbine. It uses one or two staged actuators of the turbine to drive the steam inlet valve.

Like any 505 governor module, this device can be configured by the field operator on site. The menu driver software is controlled and changed by the operator control panel integrated on the front of the equipment. This panel displays two lines of text with 24 characters in each line.

The 9907-164 is equipped with a series of discrete and analog inputs: 16 contact inputs (of which 4 are dedicated and 12 are programmable), followed by 6 programmable current inputs with current input of 4 to 20 mA. Standard functions included in 9907-164 functions include critical speed avoidance, valve limiter, automatic start sequence and stop first-out indicator.

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