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User Manual

EM303A General Purpose Inverter

120

Make sure that the motor stops before autotuning, otherwise, autotuning cannot

be performed.

z Autotuning is only enabled when the inverter is in keypad control mode.

(F0-04=0)

z If overcurrent or overvoltage trips in the process of autotuning,

acceleration/deceleration time 1 can be adjusted (F0-09 and F0-10)

appropriately.

z To ensure a smooth autotuning, set all motor parameters as per the values listed

on motor nameplate correctly:

F1-00: Motor model

F1-01: Motor rated power

F1-02: Motor rated voltage

F1-03: Motor rated current

F1-04: Motor rated frequency

F1-05: Motor rated speed

F1-06: Motor wiring method

F1-07: Motor rated power factor

Configure the inverter with an applicable Y-series motor, and the defaults of

inverter can meet most of needs.

z To ensure control performance, the motor and the inverter should match in

terms of the power rating. Usually the power rating of motor is only allowed to

be one level lower than that of the inverter.

z After autotuning is over normally, the setting value of F1-08～F1-13 will be

updated and autosaved.

z When F0-28=1 reset the default, the parameters of F1-00～F1-13 remains

unchanged.

8.3 Autotuning Procedure

z In parameter setting status, set F0-04=0, and make motor offload.

z Set all motor parameters as per the values listed on nameplate correctly: