![Solid state relays are "normally open" devices. You can use an IO module to create an inverse situation where N.O. behaves as N.C. and N.C behaves as N.O. The IO module is an IO-IDC-028-P (DC field signal) or an IO-IAC-280-P (AC field signal). Data ... Solid state relays are "normally open" devices. You can use an IO module to create an inverse situation where N.O. behaves as N.C. and N.C behaves as N.O. The IO module is an IO-IDC-028-P (DC field signal) or an IO-IAC-280-P (AC field signal). Data ...](https://www.power-io.com/gifs/normally-open-ssr.jpg)
Solid state relays are "normally open" devices. You can use an IO module to create an inverse situation where N.O. behaves as N.C. and N.C behaves as N.O. The IO module is an IO-IDC-028-P (DC field signal) or an IO-IAC-280-P (AC field signal). Data ...
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