6. Function Description
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6.4.5 Accel/Decel pattern and time selection
1) FUN_33 (Accel/Decel reference speed)
Acceleration time, deceleration time and BX time is set on the basis of the value at FUN_33(Accel./decel.
reference speed), which is ‘Max speed’or ‘Ref speed’.
Setting example 1 if FUN_33= “Max Speed”, Max motor speed= 3000rpm and Operating speed= 1500rpm, Accel
time= 5 sec, accel time from 0 (stop) to 1500rpm would be 2.5 sec.
Setting example 2 If FUN_33 is set to ‘Ref Speed’ and speed command and acceleration time is set to 1500rpm
and 5 seconds, respectively, it takes 5 seconds to accelerate from the standstill to 1500rpm.
2) FUN_40 ~ 47(Accel/Decel time 1 ~ 4)
Accel/Decel time 1-4 can be set in SV-iV5 as shown below.
Code LCD display Description Setting range Unit
Factory
setting
FUN_40 Acc Time-1 Acceleration time 1 0.00 ~ 6000.0 sec 2.00
FUN_41 Dec Time-1 Deceleration time 1 0.00 ~ 6000.0 sec 2.00
FUN_42 Acc Time-2 Acceleration time 2 0.00 ~ 6000.0 sec 3.00
FUN_43 Dec Time-2 Deceleration time 2 0.00 ~ 6000.0 sec 3.00
FUN_44 Acc Time-3 Acceleration time 3 0.00 ~ 6000.0 sec 4.00
FUN_45 Dec Time-3 Deceleration time 3 0.00 ~ 6000.0 sec 4.00
FUN_46 Acc Time-4 Acceleration time 4 0.00 ~ 6000.0 sec 5.00
FUN_47 Dec Time-4 Deceleration time 4 0.00 ~ 6000.0 sec 5.00
2.5 sec
5 sec
Max Speed (3000rpm)
Setting Speed (1500rpm)
Speed
Actual Accel Time
Setting Accel Time
TIME
5 sec
Setting Speed (1500rpm)
Speed
5 sec
TIME
2 sec
(500rpm)
Setting Accel Time
Actual Accel Time