Siemens SINAMICS S120 Function Manual page 206

Vector control
Subject
Connectable motors
Position interface via PROFIdrive
for higher-level motion control
Encoderless speed control
Motor data identification
Speed controller sampling time
optimization
V/f control
Encoderless
closed-loop torque control
Field-weakening range for induc-
tion motors
206
Servo control
Synchronous servomotors
•
Permanent-magnet synchronous
•
motors
Induction motors
•
Torque motors
•
Linear motors
•
Yes
Yes, as of 10% rated motor speed, open-
loop controlled operation below this
Yes
Yes
Yes
No
≤ 16 field-weakening threshold speed
(with encoder)
≤ 5 field-weakening threshold speed
(without encoder)
Vector control
Synchronous motors (including torque
•
motors)
Permanent-magnet synchronous
•
motors
Induction motors
•
Reluctance motors - textile (only for
•
V/f control)
Synchronous-reluctance motors
•
Separately excited synchronous mo-
•
tors
Linear motors
•
Note:
Synchronous motors of the 1FT6, 1FK6
and 1FK7 series cannot be connected.
Yes
Yes (for ASM and PMSM from standstill)
Yes
Yes
Yes (various characteristics)
Yes, as of 10% rated motor speed, open-
loop controlled operation below this
≤ 5 rated motor speed
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
Drive functions