YASKAWA G7 Series User Manual

Acceleration and Deceleration Characteristics
6-15
Acceleration and Deceleration Characteristics
This section explains the acceleration and deceleration characteristics of the Drive.
 Setting Acceleration and Deceleration Times
Acceleration time indicates the time taken for the output frequency to climb from 0% to 100%. Deceleration
time indicates the time taken for the output frequency to reduce to 0%. The factory setting of the acceleration
time is C1-01, and the factory setting of the deceleration time is C1-02.
Related Parameters
Parameter
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Operation
Control Methods
Display
V/f
V/f
with
PG
Open
Loop
Vector
1
Flux
Vector
Open
Loop
Vector
2
C1-01
Acceleration
Time 1
Sets the time to accelerate from
zero to maximum frequency.
0.0 to
6000.0
*
10.0sec
YesQQ QQQ
Accel Time 1
C1-02
Deceleration
Time 1
Sets the time to decelerate from
maximum frequency to zero.
YesQQ QQQ
Decel Time 1
C1-03
Acceleration
Time 2
Sets the time to accelerate from
zero to maximum frequency when
selected via a multi-function
input.
YesAA AAA
Accel Time 2
C1-04
Deceleration
Time 2
Sets the time to decelerate from
maximum frequency to zero when
selected via a multi-function
input.
YesAA AAA
Decel Time 2
C1-05
Acceleration
Time 3
Sets the time to accelerate from
zero to maximum frequency when
selected via a multi-function
input.
No AA AAA
Accel Time 3
C1-06
Deceleration
Time 3
Sets the time to decelerate from
maximum frequency to zero when
selected via a multi-function
input.
No AA AAA
Decel Time 3
C1-07
Acceleration
Time 4
Sets the time to accelerate from
zero to maximum frequency when
selected via a multi-function
input.
No AA AAA
Accel Time 4
C1-08
Deceleration
Time 4
Sets the time to decelerate from
maximum frequency to zero when
selected via a multi-function
input.
No AA AAA
Decel Time 4
C1-10
Accel/Decel
Time Setting
Units
Sets the setting resolution of
C1-01 to C1-09
0: 0.01sec (0.00 to 600.00sec)
1: 0.1sec (0.0 to 6000.0sec)
0 or 1 1 No AA AAA
Acc/Dec Units
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YASKAWA G7 Series Specifications

General

Series	G7
Frequency	50/60 Hz
Output Voltage	Matches Input Voltage
Control Method	V/f Control
Overload Capacity	150% for 60 seconds
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheating, Short Circuit
Communication	RS-485, Modbus, DeviceNet, Profibus, Ethernet
Safety	Safe Torque Off (STO)
Operating Temperature	-10°C to 50°C
Humidity	5% to 95% (non-condensing)
Cooling Method	Fan Cooled
Enclosure Rating	IP20
Storage Temperature	-20°C to 65°C