YASKAWA G7 Series Technical Manual page 234

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Parameter
Number
Accel/Decel
Switch
Frequency
C1-11
Acc/Dec SW
Freq
S-Curve
Characteristic
at Accel Start
C2-01
SCrv Acc @
Start
S-Curve
Characteristic
at Accel End
C2-02
SCrv Acc @
End
S-Curve
Characteristic
at Decel Start
C2-03
SCrv Dec @
Start
S-Curve
Characteristic
at Decel End
C2-04
SCrv Dec @
End
* The setting range for accel/decel time will differ depending on C1-10 (Accel/Decel Time Units). If C1-10 is set to "0", then the setting range will change
to 0.00sec to 600.00sec.
* 1. Varies by Duty Rating
Setting Acceleration and Deceleration Time Units
Set the acceleration/deceleration time units using C1-10. Parameter C1-10 is set to 1 at the factory.
Set value
0
1
-16
6
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Name
Description
Display
Sets the frequency for automatic
switching of accel / decel times.
Fout < C1-11:
Accel/Decel Time 4
Fout ≥ C1-11: Accel/Decel Time 1
Multi-function inputs
"Multi-Acc/Dec 1" and
"Multi-Acc/Dec 2" have priority
over C1-11.
Note: with Multi-Function Input,
Accel/Decel Time 1 and 2 will
take precedence.
S-curve is used to further soften
the starting and
stopping ramp. The longer the S-
curve time, the softer the starting
and stopping ramp.
Note: With this setting, accel/
decel times will be exactly half of
the start and finish times of the S-
curve characteristic time.
Run command
ON
Output frequency
C2-02
C2-03
C2-01
The acceleration/deceleration time settings range is 0.00 to 600.00 in units of 0.01 s.
The acceleration/deceleration time settings range is 0.00 to 600.00 in units of 0.1 s.
Change
Setting
Factory
during
Range
Setting
Operation
0.0
to
0.0Hz
400.0
*1
0.00
to
0.20sec
2.50
0.00
to
0.20sec
2.50
0.00
OFF
to
0.20sec
2.50
C2-04
Time
0.00
to
0.00sec
2.50
Details
Control Methods
Open
V/f
Loop
Flux
V/f
with
Vector
Vector
PG
1
No
A
A
A
A
No
A
A
A
A
No
A
A
A
A
No
A
A
A
A
No
A
A
A
A
Open
Loop
Vector
2
A
A
A
A
A

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