Siemens SINAMICS S120 Function Manual page 185

Subject
Position interface via PROFIdrive
for higher-level motion control
Encoderless speed control
Motor data identification
Speed controller tuning
V/f control
Encoderless
closed-loop torque control
Field-weakening range for
induction motors
Maximum output frequency with
closed-loop control
Note:
The derating characteristics in the various manuals must be carefully observed!
Max. output frequency when using dv/dt and sine-wave filters: 150 Hz
Drive functions
Function Manual, (FH1), 04/2014, 6SL3097-4AB00-0BP4
Servo control
Yes
Yes, as of 10% rated motor speed,
open-loop controlled operation below
this
Yes
Yes
Yes
No
≤ 16 x field-weakening threshold speed
(with encoder)
≤ 5 x field-weakening threshold speed
(without encoder)
2600 Hz with 31.25 μs / 16 kHz
•
1300 Hz with 62.5 μs / 8 kHz
•
650 Hz with 125 μs / 4 kHz
•
300 Hz with 250 μs / 2 kHz
•
Note:
SINAMICS S can achieve the specified
values without tuning.
Higher frequencies can be set under
the following secondary conditions and
additional tuning runs:
Up to 3000 Hz
•
– Operation without an encoder
– In conjunction with controlled
infeeds
Up to 3200 Hz
•
– Operation with encoder
– In conjunction with controlled
infeeds
Absolute upper limit 3200 Hz
•
Vector control
Yes
Yes (for ASM and PEM from standstill)
Yes
Yes
Yes (various characteristics)
Yes, as of 10% rated motor speed, open-
loop controlled operation below this
≤ 5 x rated motor speed
300 Hz with 250 μs / 4 kHz
•
or with 400 μs / 5 kHz
240 Hz with 500 μs / 4 kHz
•
Note:
If a higher output frequency is required,
consult the specialist support from
SIEMENS.
Vector control
185