Fixed Setting Mode Of High-Speed Operation Speed - Toshiba TOSVERT VF-AS1 Instruction Manual

5.2 Fixed setting mode of high-speed
operation speed
《Adjustment method using the learning function for lift application》
If the light-load high-speed operation is carried out with 60Hz of normal operation, follow the
procedure below:
① Set the automatic light-load high-speed operation frequency (f330).
② Set the light-load high-speed learning function (f329) to 1 (Forward run learning).
③ Carry out the 60Hz-forward power running operation while hanging a maximum load for which the
light-load high-speed operation can be carried out and check that the operation changes to the
light-load high-speed operation (90Hz operation). (Forward run learning)
During the learning operation, t blinks on the left side of the frequency display LED.
④ Set the light-load high-speed learning function (f329) to 2 (Reverse run learning).
⑤ Similarly, carry out the 60Hz-reverse regenerative braking operation while hanging a maximum load
for which the light-load high-speed operation can be carried out and check that the operation
changes to the light-load high-speed operation (90Hz operation).
⑥ The parameters below are automatically adjusted by carrying out operations in ③ and ⑤.
Title
Switching load torque during
f335
power running
Heavy-load torque during
f336
power running
Heavy-load torque during
f337
constant power running
Switching load torque during
f338
regenerative braking
⑦ Hang a load for which the light-load high-speed operation is not wanted and check that a normal
operation does not change for both of power running/regenerative braking operations.
《Cautions》
• If a result of the learning operation is as follows, the learning operation should be completed
when it stops without transition to the high-speed operation.
Switching load torque during power running (f335) is 70% or more
Switching load torque during regenerative braking (f338) is 70% or more
• If a detected torque exceeds 150% during acceleration of the high-speed operation, the
high-speed operation should be stopped and the learning operation should be completed
without reflecting the learning data.
• If a detected torque exceeds 100% during constant speed operation after completion of
acceleration of the high-speed operation, the high-speed operation should be stopped and the
learning operation should be completed without reflecting the learning data.
Default
Function
setting
100
Values set by learning function
Light-load high-speed load torque monitor 1
50
during power running +5%
Light-load high-speed load torque monitor 2
during power running +5%
Maximum torque value during acceleration from
50 normal operation speed to high-speed operation
(speed reach) during power running +5%
Light-load high-speed load torque monitor 1
50
during regenerative braking +5%
10
E6581327
Ex.: f330=90Hz