You need a PAC Drive for this use case, not a PacLed64.
https://www.ultimarc.com/output/led-and-output-controllers/pac-drive/
I'm using a PAC Drive to control a rather long LED strip in my Daytona USA Twin marquee. It pulls power directly from the 12v on the PSU power supply (+), and then the negative wire (-) is wired to the PAC Drive to switch on an off.
If you want to see my LED strip array - http://forum.arcadecontrols.com/index.php/topic,167512.msg1768246.html#msg1768246
https://www.ultimarc.com/output/led-and-output-controllers/pac-drive/
I'm using a PAC Drive to control a rather long LED strip in my Daytona USA Twin marquee. It pulls power directly from the 12v on the PSU power supply (+), and then the negative wire (-) is wired to the PAC Drive to switch on an off.
If you want to see my LED strip array - http://forum.arcadecontrols.com/index.php/topic,167512.msg1768246.html#msg1768246