Installation and Connections WebRelay Users Manual
2.5.2 Single WebRelay Device (digital input and/or IP network control)
This configuration offers both network and local control. In the example, the light shown on the right can
be controlled locally using a mechanical switch, or it can be controlled remotely over the IP network.
The mechanical switch controls a 5 volt signal that is applied to the optically-isolated input. Each time
the 5 volt signal changes (turns on or off), WebRelay changes the state of the relay to on or off.
Page 22 Xytronix Research & Design, Inc.
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