PM864 3BSE018161R1

ABB Robot Servo Motor repair is not accurate in azimuth control and positioning. How to deal with it?

Firstly, confirm whether the current value of the pulse actually announced by the controller is the same as expected. If not, check and correct the program;

Monitor whether the number of pulse commands received by the servo driver is the same as that announced by the controller; if not, check the control line cable; Check whether the setting of servo command pulse form is the same as that of the controller, such as CW / CCW or pulse + direction;

The servo gain setting is too large, measure

ABB Robot Servo Motor repair do azimuth control operation report overspeed fault, how to deal with it?

Once the servo run signal is connected, it will break out: check whether the wiring of servo motor power cable and encoder cable is correct and whether there is damage.

After inputting the pulse command, it occurs during high-speed operation: the pulse frequency output by the controller is too high, and the correction program adjusts the frequency of the pulse output; The electronic gear ratio is set too large; The servo gain setting is too large. Adjust the servo gain manually or actively from the beginning

5. ABB Robot Servo motor repairs several faults without overload with load. How to deal with them?

If the servo run signal is connected and no pulse is sent, it will occur:

Check the servo motor power cable wiring to see if there is poor contact or cable damage; If it is a servo motor with a brake, the brake must be turned off; Whether the speed loop gain is set too large; Whether the integration time constant of the speed loop is set too small.

If the servo only occurs during operation:

Whether the azimuth loop gain is set too large; Whether the positioning completion amplitude is set too small; Check whether the servo motor shaft is locked and adjust the machine from the beginning.

6. How to deal with abnormal sound or vibration when ABB Robot Servo motor repairs several faults?

Servo wiring:

Check whether the power cable, encoder cable, control cable and cable are damaged; Check whether there is interference source near the control line and whether it is parallel to or too close to the nearby high current power cable; Check whether there is any sudden change in the potential of the grounding terminal to ensure excellent grounding.

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