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Name Model Function Remarks
Extended cable MDCAB
Standard 8-core
network cable and it
can be connected
with MDKE.
1m, 3m,5m and
10m are
available.
Rectifier unit MFRU
It is used when the
driver shares the
bus and has energy
saving function.
2.7 Routine Repair and Maintenance of Servo Driver
2.7.1 Routine Repair
The influence of the ambient temperature, humidity, dust and vibration will
cause the aging of the devices in the servo driver, which may cause potential
fault of the servo driver or reducing the service life of the servo driver.
Therefore, it is necessary to carry out routine and periodical maintenance on
the servo driver.
It is not allowed to conduct repair and maintenance on the driver right after
power shutdown because there is still high voltage on the filter capacitor. The
repair or maintenance can be conducted only after the charge LED indictor is
OFF and the bus voltage measured with multimeter is less than 36V.
Routine inspection Items include:
1) Whether there is any abnormal change in the running sound of the motor;
2) Whether the motor has vibration during the running;
3) Whether there is any change to the installation environment of the servo
driver;
4) Whether the servo driver cooling fan works normally;
5) Whether the servo driver has over temperature;
Routine cleaning:
1) The driver shall be kept clean all the time.
2) The dust on the surface of the servo driver shall be effectively removed,
so as to prevent the dust entering the servo driver. Especially the metal
dust is not allowed.
3) The oil stain on the driver cooling fan shall be effectively removed.
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