The main function of the motor protector
Protection function: In addition to the general protection function, it also has functions such as self-start, communication start and close, undercurrent, overvoltage, undervoltage, three-phase current imbalance, and self-start for users to choose.
Setting function: Intelligent type has setting key, data key and shift key. When the setting is out of range, it will remind the user to reset it to avoid operation errors. The basic type is set by dial code or electric potential.
Alarm function: When the motor overcurrent indicator flashes and an alarm is issued, the greater the overcurrent multiple, the faster the flashing, or use the contact between the protector and the external alarm
Display function: After the protector is energized, press the setting key to display the current value of the whole machine power, and press the data key to display the three-phase current value. After starting, the fault code will be displayed, and the corresponding fault indicator will light up, making it clear at a glance.
Communication function: realize information transmission through serial digital interface. A host computer (PC) can be connected to 256 protectors, and can set parameters for each motor, start and stop operations, so as to facilitate automatic management.