Parameter Group
-218-
The deceleration time indicates the time required for the output frequency to decrease from F0-25
(acceleration/deceleration base frequency) to 0. The deceleration time is usually determined by the
fall of the frequency reference signal. When the motor decelerates, the falling rate of the frequency
reference must be limited to prevent overvoltage.
The deceleration time must be set properly to avoid excessively high voltage of the smoothing circuit,
preventing the AC drive from tripping due to regenerative overvoltage stall.
F0-19
Acceleration/Deceleration time unit
Address:
61459
Min.:
0
Unit:
-
Max.: 2 Data type: UInt16
Default:
1
Change:
At stop
Value Range:
0: 1s
1: 0.1s
2: 0.01s
Description
This parameter defines the acceleration/deceleration time unit.
F0-21
Offset of auxiliary frequency source during superposition
Address:
61461
Min.:
0.00
Unit:
Hz
Max.: 655.35 Data type: UInt16
Default:
0.00
Change:
At once
Value Range:
0.00 Hz to 655.35 Hz
Description
This parameter defines the offset of the auxiliary frequency during superposition. It is used to adjust
the auxiliary frequency upon minimum frequency reference signal when the frequency is set by an
external analog signal (voltage or current).
F0-22
Frequency reference resolution
Address:
61462
Min.:
0
Unit:
Hz
Max.: 1 Data type: UInt16
Default:
2
Change:
At stop
Value Range:
1: 0.1 Hz
2: 0.01 Hz
Description
This parameter defines the decimal places of the frequency reference.
F0-23
Retention of digital setting of frequency upon stop
Address:
61463
Min.:
0
Unit:
-
Max.: 65535 Data type: UInt16
Default:
0
Change:
At once
Value Range:
0: Non-retentive
1: Retentive
Description
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