Quick Operation
‑44‑
Pa
rame
ter
Cod
e
Parameter
Name
De
fault
Value Range
Description
b6‐
00
Main
frequency
source
0
9: Communication
10: Potentiometer
MD‑BP‑M
Others: F connector
9: Communication
The frequency is set through
communication. The frequency can
be input through remote
communication. The AC drive must
be equipped with a communication
card to communicate with the host
controller. This mode is suitable for
remote control or centralized
control on multiple equipment.
10: Potentiometer MD‑BP‑M
The frequency is set by the
potentiometer MD‑BP‑M. This
method is available when an
external MD‑BP‑M is connected. You
can increase or decrease the value
by turning the knob of the
potentiometer clockwise or
counterclockwise.
Others: F connector
After the parameter No. of a floating
connector is set, the connector value
is read as the frequency. It is used
for extension of common sources.
6.3.9 Setting the Acceleration/Deceleration Time
Acceleration time indicates the time required by the AC drive to accelerate from 0 Hz
to b7‑01 (ramp acceleration/deceleration time base frequency). Deceleration time
indicates the time required by the AC drive to decelerate from b7‑01 (ramp
acceleration/deceleration time base frequency) to 0 Hz.
1. Set b7‑01 (ramp acceleration/deceleration time base frequency) to 1 (maximum
frequency) and set the maximum motor frequency (C4‑10) to 50 Hz.
2. Set the acceleration time (b7‑04) to 10s. In this case, the accelerated speed during
acceleration is 5 Hz/s (50 Hz/10s). Set the deceleration time (b7‑05) to 25s. In this
case, the accelerated speed during deceleration is 2 Hz/s (50 Hz/25s).
3. Set the running frequency to 25 Hz and start the AC drive. The drive will accelerate
to 25 Hz at the speed of 5 Hz/s and then run at the frequency of 25 Hz. The actual
acceleration time is 5s.
4. Stop the AC drive. The drive will decelerate to zero frequency at the speed of 2 Hz/s
and then stop. The actual deceleration time is 12.5s.
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