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One Driver - Multiple Comm Ports Open
Dean is this allowed?
Nothing would stop you from doing it, but you can't use the com port configuration panel of the driver install wizard to set them up. It will only only show it for one port. Keep in mind also that the issue of a driver being online/offline sort of gets fuzzy because it's no longer talking to a single thing.

What you are trying to do?
Dean Roddey
Explorans limites defectum
I bought two solid state relays(SSRs) to substitute for two breakers/disconnects on an off grid solar setup.

Basically those breakers switch the system between inverter supplied and commercial supplied power.

I am controlling the SSRs via a serial connection like this

The SSRs need to be switched simultaneously.
You can certainly do it. You'll have to get the serial ports to use via some other means than the standard serial port config panel.
Dean Roddey
Explorans limites defectum
Ok. I think, though, that I'll just keep it simple and use one driver for each SSR.

I can accomplish what I want outside of the driver. I just though that it would be more elegant to do it inside of one driver.

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