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Hi,

Maybe a simple question but i want to be sure.
Is it possible to connect on a output of the RFXio a 230Vac line? because i want to control a 230Vac device but i see 1 pcb path direct to the (i think) opto coupler.
Regards,

The Opto-coupler has an isolation Voltage of 5kV so it should not be a problem.
Do not install the resistor (R2,R5...R23) to the opto-coupler!

I think the relay can switch 230V AC but I'm not sure so check the relay.