Hi,
Does anyone know how the PGM output on the Visonic powermax+ is supposed to operate?
I assumed originally that it was just pulled low when active, but it seems to be low all the time.
You can see some info on topic here where another user was also confused by it:
https://www.thesecurityinstaller.co.uk/community/topic/25353-powermax-pgm-output/
I've tried pulling it up with resistors, but it won't switch "off".