IQ Hardwire PowerG with Wired Sensors

[rotterman]

Here’s a better answer.

Does a PG9WLSHW8 really need EOL resistors?

I just installed an IQ4 and 2 x PG9WLSHW8 this weekend and the answer is NO, resistors are NOT required. When defining the sensor, you have “Input Mode” options for “Disabled”, “Normally Open”, “Normally Closed”, “End of Line”, and “Double end of Line”. Setting to “Normally Open” or “Normally Closed” is what you would use if you do not have resistors. Setting “End of Line” or “Double End of Line” would use if you are installing SEOL or DEOL resistors. When using auto learn or manually addin…