Time relay DC 48Hx48Wx93.5D

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Time relay DC 48Hx48Wx93.5D

Q: What is the name of the device used to set the switching time in the time relay?: Not too understand what you mean, is to say that the time to adjust the button or what stuff

Q: Central air conditioning switch panel how to set the time: According to the different manufacturers, or suggest that you go to the instructions, or to the project contractor for instructions

Q: Can the photoelectric switch control the time relay?: Metering the principle of electronic scales do not understand, difficult to language.

Q: Switching power supply positive circuit, please help explain, the core of the reset circuit is how to work, has not been confused: Very simple reason ah, switch tube conduction time, NP winding voltage, current is on the positive negative, while the secondary NS voltage is also under the negative, to the load power supply, and NR winding voltage is negative, due to Diode DR one-way conductivity, NR winding no current. This stage of the NP winding magnetizes the core. When the switch off, the winding voltage polarity are reversed, NP, NS winding no current, and NR winding (voltage is negative) through the power and DR to form a loop, the winding current is negative, to the Core demagnetization, while the energy back to the power supply (to the power supply filter capacitor charge), but also to prevent the NP winding to produce too high anti-peak voltage breakdown of the switch tube, serve three purposes.

Q: Photoelectric switch control time relay control AC contactor delay closed: The way they control is such that the normally open contacts of the photoelectric switch relay are connected to the time relay coil to control the time relay. Time relay delay disconnect contact to connect the transmission mechanism of the AC contactor coil, control AC contactor.

Q: Microcomputer when the control switch set the ring time how to modify the time: Press the timer button, there is 1 open / 1on, and then press the hour, minutes to set your opening time, then press the timer key, there is a off / 1off, by hours, minutes are off time; followed by input; , Press the cancel / reply key 3 5 times to unlock it.

Q: Switching power supply generally how long the aging time is reasonable?: If you do not often overload, overpressure, humidity is too high, the ambient temperature up and down 30 degrees Celsius under the premise; switching power supply is often used, 3 to 5 years or more normal. Such as a long time to put it 1 to 3 years or so aging (electrolytic capacitor placed too long, the electrolyte will become solidification lead to capacitance degradation). This question involves a lot of things, not very good to determine the length of time.

Q: How does this switch adjust the time?: : Time-controlled switch set the timing: first check the clock display whether the current time is consistent, if you need to re-calibration, according to install the clock "key at the same time, according to the school day", "school

Q: All the warm water heating cycle, control the pump switch is what kind of good, is the time switch, or time relay, what is the difference between the principle, there is the price is how much?: If it is a few minutes or 10 minutes to run a few minutes or 10 minutes, that is, the time to stop and run almost the same time with the relay.