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How can I control the Switching Relay - 4 or 8 with the GPIO's?

Out of the box, behavior is that they are configured so that the 4 or 8 I/O ports controls the corresponding output relays.

I/O 1 to Relay 1, I/O 2 to relay 2 and so on.

 

If the relay has been part of a project via RS232 or LAN, this behavior is lost, and a factory reset is required in order for the device to get back into this mode.

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