YASKAWA V7 User Manual

5-3
n023 : S-Curve Selection
Factory setting: 0
Range: 0 to 3
Setting of this parameter
determines the S-curve
(starting) characteristics
of the acceleration ramp.
0 = S-curve disabled
1 = S-curve
of 0.2 seconds
2 = S-curve time
of 0.5 seconds
3 = S-curve time
of 1.0 seconds
NOTE: Actual accel time = Set accel time + (2
*
S-curve selection)
Actual decel time = Set decel time + (2
*
S-curve selection)
The following figure shows FWD/REV switching and acceleration & deceleration to a stop with
S-curve active.
RUN
FREQ
COMMAND
0
TIME
S-Curve Characteristics
Time (T
SC)
OUTPUT
FREQUENCY
Accel ramp per
selected Accel Time
(n019 or n021 )
5.3 ACCEL/DECEL: S-CURVE CHARACTERISTICS
FORWARD RUN COMMAND
= S-CURVE CHARACTERISTIC
MIN. OUTPUT
FREQUENCY
n016
DC INJECTION
TIME AT STOP
n090
DECELERATION
DECELERATION
REVERSE RUN COMMAND
OUTPUT FREQUENCY
ACCELERATION
ACCELERATION
n016

YASKAWA V7 Specifications

General

Model	V7
Category	Controller
Manufacturer	Yaskawa
Output Frequency	0.1 to 400 Hz
Type	AC Drive
Horsepower	0.5 to 300 HP
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheating, Short Circuit
Communication Interfaces	DeviceNet, Profibus, Ethernet
Operating Temperature	-10°C to 50°C
Humidity	5% to 95% (non-condensing)
Enclosure Rating	IP20
Voltage Class	200V, 400V
Storage Temperature	-20°C to 65°C