Stepper motor to adjust _ two phase four-wire stepping motor load
so causing interference of high sensitive receiver system, because the driver output current 3 a voltage 325 v plus its shell without taking aluminum ( Al) , titanium, magnesium, Chemical formula Mg) Alloy shell for magnetic shielding. Stepper motor driver in order to further improve the drive systems of high frequency response, frequency boost power driver interface can be used up. The interface provided by the winding voltage and the operating frequency of the motor into linear relationship. Its main circuit is actually a switch regulated power supply, use of frequency - Voltage converter, drive pulse frequency conversion into dc level, and the level to control switch regulated power supply input, this constitutes a frequency feedback power driver interface. Make it unable to work, and pollution of the power supply, resulting in the control system of single-chip microcomputer and PC cannot communicate, serious cause single-chip computer crashed, caused difficult to normal use, so the interference problem must be solved.
1. Done in the system to take the following measures: to reduce pollution to the ac power source. Stepper motor is a kind of induction planetary gear motor, its working principle is the use of electronic circuit, direct current (dc) into time-sharing power supply, multiphase sequential control current, in this current for stepper motor power supply, step motor to work properly, is time-sharing power supply for step motor drive, multiphase timing controller. , equipped with power supply filter. And ask the good contact.
2. One-point earthing & throughout; The principle. Will the power filter, driver drives and chassis backplane insulation control PULSE PULSE - DIR - pulse and direction After the sub pinout, motor earthing line ( Nickname: ground wire) , drive and motor between cable protection cover, the shielding wire had been chassis grounding on the column wall. Avoid cross. For example I disposal of biaxial drive systems in the two were in the same chassis drive electric drill speed reducer position
3. Try to increase the line of control and power cable LN the distance between the motor drive line UVW. A drive plate in the front, the other is the later, and these lead to short on the structure arrangement. Or yourself ( The power cord) The rest of the world.
4. Use the shielded wire to reduce external interference with yourself.
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