2019年9月11日 · 《控制》 (Control) 是一款气质相当独特的作品，几乎可以说是目前市面上以「新怪谈文学」为创作灵感与背景题材的唯一 3A 大作，我个人也是非常喜欢。这里我想转载自己早先为游戏撰 …

2024年11月27日 · The three basic methods of valve control power input come from manual (user) input, external air pilot systems, and, of course, electrical solenoid circuits. Some valves make use of a …

2022年3月23日 · Understanding the Basics of Pulse Width Modulation (PWM) Power delivered to devices can be changed by raising or lowering the voltage and current. But this method does not …

2025年12月1日 · A “ user-defined ” letter represents a non-standard variable used multiple times in an instrumentation system. For example, an engineer designing an instrument system for measuring and …

2024年12月5日 · The beauty of ladder-logic programming is that it translates the technician’s understanding of traditional relay control circuits into a virtual form where contacts and coils interact …

2024年12月5日 · Thus, a cascade control system consists of two feedback control loops, one nested inside the other: A very common example of cascade control is a valve positioner, which receives a …

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2024年4月3日 · Controlling and optimizing plant processes is the goal of most control systems. It can be a challenge to distinguish between different types of control: a DCS or a high-level SCADA system?

2022年5月13日 · Although the are similarities in operating theory, relays and contactors are used in industrial circuits for different specific applications, and should not be used interchangeably.

2023年1月30日 · Introduction to Modbus and Modbus Function Codes Modbus is one of the oldest industrial communication protocols still in use today. Continue reading to find out how the protocol …