Siemens S7-1500 Manual page 5

Preface
Open Source Software
Open-source software is used in the firmware of the I/O modules. Open Source Software is
provided free of charge. We are liable for the product described, including the open-source
software contained in it, pursuant to the conditions applicable to the product. Siemens
accepts no liability for the use of the open source software over and above the intended
program sequence, or for any faults caused by modifications to the software.
For legal reasons, we are obliged to publish the original text of the license conditions and
copyright notices. Please read the information relating to this on the Internet
(https://support.industry.siemens.com/cs/ww/en/view/109757558).
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Digital input/output module DI 32x24VDC SNK/SRC/DQ 32x24VDC/0.3A SNK BA (6ES7523-1BP50-0AA0)
Equipment Manual, 07/2020, A5E48027024-AA