Contact name:Sandy Lin

Whatsapp/skype/Phone number:86-18020776786

Email:unity@mvme.cn

Lubrication of mechanical devices Over time, the lubricants in mechanical devices, such as gear box, geared motor, etc. when running at low speed, will deteriorate. Frequent maintenance is recommended. Regenerative Energy When lifting load, regenerative energy is produced, the drive will trip on overvoltage when it cannot absorb the regenerative energy of the load. Therefore, a proper braking unit is required.

Mechanical resonance point of load The drive system may encounter mechanical resonance with the load when operating within certain band of output frequency. Skip frequencies have to be set to avoid it. Frequent start and stop The drive should be started and stopped via its control terminals. It is prohibited to start and stop the drive directly through contactors at the input side, which may damage the drive. Insulation of Motors Before using the drive, the insulation of the motors must be checked, especially, if it is used for the first time or if it has been stored for a long time. This is to reduce the risk of the drive from being damaged by the poor insulation of the motor winding. Wiring diagram is shown in Figure 1-1. Please use 500V insulation tester to measure the insulation resistance. It should not be less than 5MΩ.

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