Our older Solution panels used 12V Common for our zones
An Permaconn output will provide an GND when it switches
When used on our older panels you need to interface an12VDC relay to have the keyswitch work correctly
You will need to refer to the Quick Reference or Installation Manual for the specific panel to ensure you setup correct Zone type and Keyswitch function correctly.
When a zone is used as an Keyswitch the Zone Option 1 setting becomes the keyswitch option
This must be set otherwise Keyswitch will not operate as expected/ required.
for example :