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7. SPECIFICATIONS
7-2
7.1.2 Common specifications
(1) Control specifications
Control system
Sensor-less PWM control
Carrier frequency
7.5kHz fixed
Max. output speed
7200r/min (output frequency 240Hz)
Analog input
1/1000 of the max. preset speed
1/500 when 5VDC is selected
Speed setting
resolution
Digital input
1r/min
Speed output resolution
0.3r/min
Analog input
Within
±
0.5% of maximum output speed
Speed
accuracy
Digital input
Within
±
0.05% of maximum output speed
Starting torque
120% or more
Speed control range
1
:
10
Initial magnetic pole
detection time
Approx. 0.1s (85ms
±
15ms)
Acceleration/deceleration
time setting range
0.5 to 60.0s
(acceleration and deceleration can be set individually)
Stall prevention operation
level
Operation level can be set (60 to 200%), presence or
absence can be selected.