Showing posts with label trail operation of inverter vc. Show all posts
Showing posts with label trail operation of inverter vc. Show all posts

Friday 8 July 2016

INVERTER,S TRAIL OPERATION OF INVERTER VC.

CHECK POINTS BEFORE OPERATION

to check the inverter and get familiar with the operation 'please make trial operation before formal operation.
please confirm the following before operation.
wiring is correct or not. terminal screw is fastened or not.wiring is proper or cable is damaged or not load status is correct or not.










CHECK POINTS IN OPERATION.

motor operation is smooth or not. motor operation direction is correct or not motor has abnormal vibration or not. deceleration/acceleration is smooth or not. load current ie beyond the permitted range or not operator's display is correct or not.

OPERATOR TRIAL OPERATION.

the operation of inverter has 2 kinds operation modes' local and remote. the factory default is remote (control circuit terminal command is effective) ' the constant content is as follows:  local: frequency and operation command are input by operator. seq and ref indicator will be off.
remote: frequency and operation command are input by exterior terminal' seq and ref indicator will be on.
  



           

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