Siemens SINAMICS S120 Function Manual page 181

Example 3
MT_STW = 303H: a search is made for rising and falling edges for probes 1 and 2.
Figure 4-25
In the DP cycle, initially all time stamps for rising and falling edges of probe 1 are entered.
Afterwards, all time stamps for rising and falling edges of probe 2.
Function diagrams (see SINAMICS S120/S150 List Manual)
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Drive functions
Function Manual, (FH1), 04/2014, 6SL3097-4AB00-0BP4
A search is made for rising and falling edges for probes 1 and 2
PROFIdrive - Manufacturer-specific/free telegrams and process data
Encoder evaluation - Probe evaluation, measured value memory,
encoders 1 ... 3
Servo control
4.20 Central probe evaluation
181