3 open and closed loop control, Open and closed loop control, Technical data – Lenze EVF9383 User Manual
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Technical data
Open and closed loop control
3.3
l
3.3−1
EDSVF9383V EN 4.0−11/2007
3.3
Open and closed loop control
Field
Values
Control methods
V/f characteristic control (linear, square), vector control
Switching frequency
1 kHz, 2 kHz or 4 kHz
Torque behaviour in case of vector
control
Maximum torque
1.5 × M
r
for 60 s if rated motor power = rated 9300 vector power
Setting range
to 1:10
(1 : 20 with feedback)
in the range of 6 ... 100 % f
r
Speed control without feedback
Min. mechanical motor frequency
1 % f
r
Torque 0 ... M
N
Setting range
1 : 100
relating to f
r
and M
r
Accuracy
± 0.5 % f
N
in the range of 6 ... 100 % f
N
Speed control without feedback
Min. mechanical motor frequency
0.1 % f
N
Torque 0 ... M
N
Setting range
1 : 1000
relating to f
r
and M
r
Accuracy
± 0.1 % of f
r
Output frequency
Field
− 300 Hz ... + 300 Hz
Absolute resolution
0.06 Hz
Standardised resolution
Parameter data: 0.01 %,
Process data: 0.006 % (= 2
14
)
Digital setpoint selection
Accuracy
± 0.005 Hz (= ± 100 ppm)
Analog setpoint selection
Linearity
± 0.15 %
signal level: 5 V or 10 V
Temperature sensitivity
± 0.1 %
0 ... 50 °C
Offset
± 0.1 %
Analog inputs/outputs
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2 inputs (bipolar)
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2 outputs (bipolar)
Digital inputs/outputs
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6 inputs (freely assignable)
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1 input for controller inhibit
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4 outputs freely assignable)
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1 incremental encoder input (500 kHz, TTL level); Design: 9−pole Sub−D socket
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1 digital frequency input (500 kHz, TTL level or 200 kHz, HTL level); type: 9−pole Sub−D
socket; can be alternatively used as incremental encoder input (200 kHz, HTL level)
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1 master frequency output (500 kHz, TTL level); Design: 9−pole Sub−D socket
Cycle times
Digital inputs
1 ms
Digital outputs
1 ms
Analog inputs
1 ms
Analog outputs
1 ms (smoothing time:
tt = 2 ms)
Operation in generator mode
Integrated brake transistor (optional)
f
r
rated motor frequency
M
r
rated motor torque