Toshiba Q9 Plus ASD, Installation & Operation Manual

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E6581611
F-76
6
6.22.2 Hit and stop control
 382
: Hit and stop control
 383 : Hit and stop control frequency
⇒
Refer to “Hit & Stop control: E6581873” for details.
6.23 Acceleration/deceleration suspend function
(Dwell function)
f349
: Acceleration/deceleration suspend
function
f350
: Acceleration suspend frequency
f351
: Acceleration suspend time
f352
: Deceleration suspend
frequency
f353
: Deceleration suspend time
[Parameter setting]
Title Function Adjustment range Setting value
f349  Acceleration/deceleration suspend function
0:Disabled
1:Parameter setting
2:Terminal input
0
f350 
Acceleration suspend frequency 0.0- fh (Hz) 0.0
f351  Acceleration suspend time 0.0-10.0 (s) 0.0
f352  Deceleration suspend frequency
0.0-
fh
(Hz) 0.0
f353  Deceleration suspend time
0.0-10.0 (s) 0.0
Note1: The acceleration suspend frequency ( f350 ) should not be set below the starting frequency ( f240 ) .
Note2: The deceleration suspend frequency (
f352
) should not be set below the stop frequency (
f243
).
Note3: If the output frequency is lowered by a stall prevention function, the acceleration suspend function may be
activated.
• Function
This function suspends acceleration and deceleration when starting and stopping during the transportation
of heavy load by temporarily running the motor at a constant speed according to the delay in braking. It
also prevents the occurrence of overcurrent at starting and slippage at stopping by fixing the timing with
brake.
There are two ways to suspend acceleration or deceleration: suspending it automatically by setting the
suspend frequency and time using parameters, and suspending it by means of a signal from an external
control device.