Siemens SINAMICS S120 Function Manual page 628

Basic information about the drive system
12.12 Notes on the number of controllable drives
Mixed operation
● Mixed operation of servo and vector V/f control
● Mixed operation vector and vector V/f control
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5 drives with the following sampling times:
– Servo:
current controller 125 µs / speed controller 125 µs
– Vector V/f control:
current controller 250 µs / speed controller 1000 µs for up to 2 V/f drives
current controller 500 µs / speed controller 1600 µs for more than 2 V/f drives
– 2 drives (sampling times: current controller 250 µs / speed controller 1000 µs)
– 4 drives (sampling times: current controller 500 µs / speed controller 2000 µs)
Function Manual, (FH1), 10/2008, 6SL3097-2AB00-0BP5
Drive functions