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Question:

Relay type electronic flow switch signal line common should be connected to the power supply positive or negative

Relay type electronic flow switch signal line common should be connected to the power supply positive or negative

Answer:

Speed sensor ---- is the rotary encoder, the speed converted to pulse (5VDC) into the PLC or other processors for processing. Current sensor - is the current transducer, 0-5A or greater current signal into 4 - 20mA or 0 - 20mA standard control signal to the processor.
May 9, 2017
Voltage sensor - is the voltage transmitter, 0-100V or greater voltage signal into 0 - 10V standard control signal to the processor. Vibration sensor ---- detection of mechanical equipment, vibration, linear output or relay output.
May 9, 2017
Hall sensor ---- is the inductive proximity switch, using the Hall principle. Detection distance will not exceed 10mm. The output signals are typically DC three-wire PNP or NPN outputs. Cylinder pressure sensor - is the pressure sensor, you can output the relay signal can also be a linear signal.
May 9, 2017
Air flow sensor - can output relay signal or voltage, current linear signal. Oxygen Sensor -- Throttle position sensor Temperature sensor - this is generally a linear voltage output. And to use with the thermostat
May 9, 2017

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