Time relay DC AH-3P

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Time relay DC AH-3P

Q: How is the time switch?: Each manufacturer produced the time control switch is not the same. To be set according to the instructions. The general is to hold down the clock at the same time hold down hours or minutes.

Q: Ps-on signal alone to start the power supply, then there is a trip, who help analyze what is the reason!: Your computer with how much time, or how much time did not clean up the dust, and may be a short circuit into a place, mainly the power and the motherboard dust clean up I used to encounter a machine for a long time useless, boot it is no problem, but plug in the test card power to smoke, and unplug the power can be used normally, still depressed

Q: Automatically turn on at 8 o'clock every day. 23:30 automatically shut down: Most motherboards are powered by pressing the Del key to enter "CMOS Setup", move the cursor to "Power Management Setup", press Enter to enter its submenu, and have a "Resume By Alarm" (default time Start), if your CMOS does not have this option that your motherboard does not support this feature, this option can set the system daily boot time or a fixed date boot. It has two options "Enabled" and "Disabled". After selecting

Q: Is a connection device, connected between the electrical and power, can control the time, forget what the name is: Time control switch! A bell or time controller can be used

Q: Microcomputer time control switch how to adjust the time: 2.6 When connected to the power supply, the green light on the panel indicates that the circuit is energized and the traffic light is on to indicate that the switch is on. 2.7 Press the "Auto / Manual" button to open or close the circuit directly. To make the switch automatic, press the "AUTO / MANUAL" key to change the "▼" symbol below the display to the "OFF" position, then press Press this key to the "automatic" position For example: every night 18:30 automatically open, according to the above 2 points set as shown in Figure 3, every night 23:20 automatically shut down, according to the above 3 points set as shown in Figure 4 , According to the fourth point of debugging on the LCD (2 open, 2 off ... 10 open, 10 off) is displayed as "-: -" pattern, then press the 6th point, 7:00 to operate.

Q: In order to get the desired size of the output voltage, how to adjust the conduction and cut-off time of the MOS tube to get? The The Thanks: 1, set: the output voltage changes, the sampling potentiometer output voltage also followed by the increase, assuming that the voltage is added to the transistor level, then the transistor C / E between the current increase, C-class voltage decreases, this voltage Is fed back to the feedback end of 3843. Can be used to control the internal sawtooth circuit charge and discharge time. Then you can control the width of the square wave. Output control of the square wave information added to the MOS tube gate level, it can

Q: The process is as follows, start - motor forward - A trip switch contact motor stop 2 seconds --- motor reverse - B trip switch contact motor stop 2 seconds --- motor forward ------ cycle above steps , Then took the trip control motor positive and negative is possible, that is, the time relay do not know how to pick up, if not take time relay to start the motor, positive and negative instantaneous current is too large, resulting in jumping, the best wiring diagram detailed Oh,: Two microcomputer when the control of three-phase motor is positive and negative

Q: What is the file in the computer that records the time of the switch?: C: /windows/SchedLgU.Txt Here record the boot and shutdown conditions

Q: Photoelectric switch control time relay control AC contactor delay closed: Photoelectric switch relay is through the box or the container within the material flow, fall, making the photoelectric switch infrared or bright or dark optical reaction, the resulting photoelectric signal amplification circuit, so that the photoelectric switch relay closed. Because the flow of material and the speed of the fall soon, the photoelectric switch relay closed off frequently, can not be used by the transmission mechanism, so to install the time relay to extend the signal time so that the transmission mechanism has enough time to run, use. 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: Switch socket a long time how dirty dirty: Moves one: Before cleaning, turn off the gates, wipe with a small amount of low-concentration (70% -75%) alcohol with a dry cloth, avoid cleaning with water, not only the water mark, and the risk of electric shock. Moves two: The appearance of the wipe to be a little bit, the key switch next to the gap is a dust collection of a Kai angle, is more difficult to clean the place, you can use a small brush gently sweep out the dust.

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