Stop Selection (Pr. 250) - Mitsubishi Electric FR-D720S SC EC Instruction Manual

Motor brake and stop operation
6.8.3

Stop selection (Pr. 250)

Used to select the stopping method (deceleration to a stop or coasting) when the start signal
turns off. Used to stop the motor with a mechanical brake, etc. together with switching off of the
start signal. You can also select the operations of the start signals (STF/STR). (Refer to
section 6.9.4 for start signal selection.)
Pr.
Name
No.
250
Stop selection
The above parameter can be set when Pr. 160 = 0.
Set Pr. 250 to "9999" (initial value) or "8888". The motor decelerates to a stop when the start sig-
nal (STF/STR) turns off.
Fig. 6-41: Stop operation when parameter 250 = 9999
6 - 86
Description
Initial Setting
Start Signal
Value Range
(STF/STR)
STF: Forward
rotation start
0–100s
STR: Reverse rotation
start
STF: Start signal
1000s
– STR: Forward/reverse
1100s
signal
9999
STF: Forward
rotation start
9999
STR: Reverse
rotation start
STF: Start signal
8888 STR: Forward/reverse
signal
Output
frequency [Hz]
Start signal
RUN signal
Stop Operation
The motor is coasted to
a stop when the preset
time elapses after the
start signal is turned off.
The motor is coasted to
a stop (Pr. 250 − 1000)s
after the start signal is
turned off.
When the start signal is
turned off, the motor
decelerates to stop.
Deceleration starts when start signal turns off
Deceleration time (Time set to Pr. 8, etc.)
ON OFF
ON OFF
Parameter
Parameters referred to
7 Acceleration time
8 Deceleration time
13 Starting frequency
DC brake
Time
Refer to
Section
6.6.1
6.6.1
6.6.2
I001143E