Siemens ET 200SP Manual page 63

Configuring/address space
4.2 Pulse width modulation PWM mode
The figure below shows an example of a 1:3 ratio of application cycle to period duration with
a duty cycle of 50%.
Note
No HW enable or On delay
No hardware enable or On delay can be used in isochronous mode.
Further information
You will find a detailed description of isochronous mode in:
● In the isochronous mode function manual as a download from the Internet
(https://support.industry.siemens.com/cs/ww/en/view/109755401).
● PROFINET with STEP 7 function manual available for download on the Internet
(https://support.industry.siemens.com/cs/ww/en/view/49948856).
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Technology Module TM Pulse 2x24V (6ES7138‑6DB00‑0BB1)
Manual, 05/2019, A5E35061186-AB