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YASKAWA Varispeed V7 - Page 229

YASKAWA Varispeed V7
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228
* 1. Based on a standard 4-pole motor for max. applicable motor output.
* 2. Shows deceleration torque for uncoupled motor decelerating from 60 Hz
with the shortest possible deceleration time.
Control
Method
Sine wave PWM (V/f control/vector control selectable)
Frequency
Control
Range
0.1 to 400 Hz
Frequency
Accuracy
(Tempera-
ture Change)
Digital reference: ±0.01%, 10 to 50°C (14 to 122°F)
Analog reference: ±0.5%, 25±10°C (59 to 95°F)
Frequency
Setting Res-
olution
Digital reference:
0.01 Hz (less than 100 Hz)/0.1 Hz (100 Hz or more)
Analog reference: 1/1000 of max. output frequency
Output Fre-
quency Res-
olution
0.01 Hz
Overload
Capacity
150% rated output current for one minute
Frequency
Reference
Signal
0 to 10 VDC (20 k), 4 to 20 mA (250 ), frequency setting potentiome-
ter (Selectable)
Acceleration/
Deceleration
Time
0.00 to 6000 s
(Acceleration/deceleration time are independently programmed.)
Braking
To rq ue
Short-term average deceleration torque
*2
0.2 kW: 150%
0.75 kW: 100%
1.5 kW (2 HP): 50%
2.2 kW (3 HP) or more: 20%
Continuous regenerative torque: Approx. 20% (150% with optional brak-
ing resistor, braking transistor built-in)
V/f Charac-
teristics
Possible to program any V/f pattern
Voltage Class 400 V 3-phase
Model
CIMR-
V7
*1
C

3-
phase
40P2 40P4 40P7 41P5 42P2 43P0 43P7 45P5 47P5
Single-
phase
---------
Control Characteristics

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