Siemens SIMATIC S7-1500 System Manual page 198

Configuring
9.10 Configuring the digital inputs and digital inputs/outputs (X122/X132)
You can assign the SINAMICS digital inputs and digital inputs/outputs (X122/X132) using
frame 39x of the PU. The status information of the digital inputs and digital outputs is then
transferred at the PROFIdrive PZD sampling rate (p2048). The inputs/outputs are also sampled
in the configured sampling time for the digital inputs and digital inputs/outputs (p0799). The
application of the output values and return of the input values are therefore subject to dead
times and jitter.
Note
Telegram 393 is set by default during configuration of the SINAMICS Integrated.
Figure 9-32 Configuration of frame 393 for automatic speed control
You can find further information on the various different frame types in Address space
(Page 155).
Note
Interface X142
If you have particularly strict requirements for the digital input/outputs, use the digital
input/outputs at interface X142. The digital inputs/outputs can be operated in isochronous
mode and allow very short response times.
Programming example
You can find a programming example in the following FAQ on the Internet
(https://support.industry.siemens.com/cs/ww/en/view/109782269).
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SIMATIC Drive Controller
System Manual, 11/2023, A5E46600094-AD