System Sampling Times; Description - Siemens SINAMICS S120 Function Manual

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System sampling times

The software functions installed in the system are executed cyclically at different sampling

times (p0115, p0799, p4099).

The sampling times of the functions are automatically pre-assigned when configuring the

The settings are based on the selected mode (vector/servo), the number of connected

components, and the functions activated.

The sampling times can be adjusted using parameter p0112 (sampling times, pre-setting

p0115), p0113 (pulse frequency, minimum selection) or directly using p0115.

For p0092 = 1, the sampling times are pre-assigned so that isochronous operation together

with a control is possible. If isochronous operation is not possible due to incorrect sampling

time settings, then an appropriate message is output (A01223, A01224). Before the

automatic configuration, parameter p0092 must be set to "1" in order that the sampling times

are appropriately pre-set.

Any change to the preset sampling times should only be performed by experts.

Drive functions

Function Manual, (FH1), 10/2008, 6SL3097-2AB00-0BP5

Basic information about the drive system

12.13 System sampling times