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What do the different signal types represent?

2012-02-21View Original

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What do the signal types AI S DI SOV DO represent respectively?
Reply #22012-02-21
AI (Analog Input): Analog input. S: Unknown. L DI (Digital Input): Digital input, also known as binary input. SOV: Solenoid valve. DO (Digital Output): Digital output, also known as binary output
Reply #32012-02-21
. . . Don’t you have any AO? No control valve?
Reply #42012-02-22
S must be frequency. Besides, there can’t be a solenoid valve among the signal types; after all, a solenoid valve’s on/off state itself belongs to the digital category

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