KevinA Posted Tuesday at 06:20 PM Share Posted Tuesday at 06:20 PM I want to wire a shelly PM1 Pro to an existing control panel to control an air compressor. I have an ESTOP circuit that kills power to all devices in my workshop. In compliance, these are NC circuits. Can I wire up SW1 to be a momentary NO and SW2 momentary to be NC? Then, when SW1 closes, it turns on, and when SW2 opens, it stops. Quote Link to comment Share on other sites More sharing options...
Shelly Olsche Posted Tuesday at 06:38 PM Shelly Share Posted Tuesday at 06:38 PM I'm not sure if I understood your question correctly but you can invert SW1 and SW2 Input Quote Link to comment Share on other sites More sharing options...
Moderators terae Posted Tuesday at 09:22 PM Moderators Share Posted Tuesday at 09:22 PM To detached one (only one active at once to control directly the relay) you need local action to do the trick... Yes, that's possible. You just need to do that little hack. Quote Link to comment Share on other sites More sharing options...
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