User Manual of A90 Series Inverter
12
Input frequency
resolution
Digital input: 0.01Hz/0.1Hz
Analog input: 0.1% of maximum frequency
Speed control
range
1:50 (VVF), 1:200 (SVC)
Speed control
accuracy
Rated synchronous speed ± 0.2%
Acceleration and
deceleration time
0.01s to 600.00s / 0.1s to 6,000.0s / 1s to 60,000s
Voltage/frequency
characteristics
Rated output voltage: 20% to 100%, adjustable
Reference frequency: 1Hz to 600Hz/3,000Hz
Torque boost
Fixed torque boost curve
Any V/F curve is acceptable.
Starting torque
150%/1Hz (VVF)
150%/0.25Hz (SVC)
Torque control
accuracy
±8% rated torque (SVC)
Self-adjustment of
output voltage
When the input voltage changes, the output voltage will
basically remain unchanged.
Automatic current
limit
Output current is automatically limited to avoid frequent
overcurrent trips.
DC braking
Braking
frequency:
0.01
to
maximum
frequency
Braking time: 0 - 30S
Braking current: 0% to 150% rated current
Signal input
source
Communication, multi-speed, analog, etc.
Input and
output
function
Reference power
supply
10V/20mA
Terminal control
power
24V/100mA
Digital input
5
1)
-channel digital multi-function input:
