Not an issues just a question Rasberry pi and PIM213 interface about automation-hat HOT 2 CLOSED

Like all HATs, it plugs securely onto the Pi's main header- it uses a 40pin (2x20) socket header that connects to all 40 of the pins on the Pi.

In situations where you need to ensure good mechanical coupling, you can also securely bolt the HAT to the Raspberry Pi through the mounting holes. As illustrated here by Cluster HAT:

I appreciate these might not illustrate exactly what you wanted to see, so I'll try to grab a low-angle photo of the Automation HAT Mini I've got set up.

from automation-hat.

Here’s a side-on shot of the headers connecting between HAT and Pi in my setup:

from automation-hat.