Siemens SIMATIC PCS 7 Configuration Manual page 119

Placing the "diagnostics interrupt" check mark in the "release" field effects the generation of
messages by the PCS 7 driver block "MOD_D1".
Note
For a description of the "MOD_D1" driver block including the available messages, see the
"Process Control System PCS 7 Basis Library"
en/view/109738089) manual.
You should deactivate the "Hardware interrupt at limit violation" option. This is realized in PCS
7 with the channel block functionality in the charts.
Compendium Part A - Configuration Guidelines (V8.2)
Configuration Manual, 08/2016, A5E38166869-AA
Configuration of the hardware (AS and I/O)
6.5 Configuration of the I/O devices
(https://support.industry.siemens.com/cs/ww/
119