Siemens SINAMICS S120 Function Manual page 868

Drive functions

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Basic information about the drive system

13.10 System rules, sampling times and DRIVE-CLiQ wiring

Cycle times for vector control

This following table lists the number of axes that can be operated with a Control Unit in the

vector control mode. The number of axes is also dependent on the cycle times of the

Table 13- 19 Sampling time setting for vector control

Cycle times [µs]

Speed controller

Valid for TM31 or TM15IO; restrictions are possible for TM54F, TM41, TM15, TM17, TM120, TM150 depending on the

set sampling time.

For power units in chassis format, the infeed cycle depends on the power rating of the module and can be 400 μs, 375

μs or 250 μs.

This setting results in lower remaining computation times.

Adjustable pulse frequencies and current controller cycles for vector control

The pulse frequencies that can be set depending on the selected current controller cycle are

shown in r0114.

Table 13- 20 Pulse frequencies and current controller cycles for vector control

Current controller cycle [µs]

Function Manual, (FH1), 04/2014, 6SL3097-4AB00-0BP4

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Drive functions

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