Controlling a DFROBOT DFR0017 realay module with PSON

[Exerqtor]

I'm trying to hook up and use some "DFR0017" relay modules to turn on/off the 24v psu on my machine.

The machine runs a Duet 3 Mini (wifi), and i'm trying to use the pson pin to controll the relay modules.

As of now I've wired up the "control side" connectors on the relay module with VCC to 5+ from the 5v PSU, Ground to the machines ground distro and Signal to the duets pson pin.

I've also put M80 C"pson" & M80 in config.g, but the relay won't turn on. So i suspect the Signal pin on the relay module wants a positve signal.

Will it be "safe" to swap over both Signal & VCC to the same 5+ and run Ground to the Duets pson pin? Or is that frowned apon?

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EDIT:

I went ahead and did like i said above, and it worked like I thought/hoped.

It made me aware of some pitfalls/flaws in the way i've wired it up though. But i'll make a dedicated post touching on that subject🤦‍♂️