I am not sure where this would best be posted…let me describe the need, the solution, and the failure:
I have a backup power generator to supply my home when the local utility fails. I can’t always hear when it starts. I need an assist to know when it is running. When the local utility fails, the relay closes and the generator comes on.
The solution was to use one of the open contact on the relay. After some research, I found the Aeotec : Aeotec Door/Window Sensor 7 Basic. This device can be connected to the relay via 18/20 gauge wire. With proper configuration, the sensor no longer looks for the magnet to tell you the door is open/closed, but pays attention to the contact at the end of the wire.
The failure is that the device moves form open to closed to offline for no obvious reason. It is a Z-Wave Plus device. I added a Z-Wave repeater to the apparent connection because of concerns that it was trying to use a Z-Wave link that might not have power (due to utility failure). The repeater is on a circuit that always has power. I have considered temperature variable, day night links, and of course power questions. The device page shows:
Metrics * Received Messages From Device: 744
- Received Messages From Device (Duplicates): 212
- Messages Transmitted to Device: 903
- Messages Transmitted to Device (Failures): 613
- Updated Time: 2021-02-19 6:02 PM PST
Data * MSR: 0086-0104-0075
- networkSecurityLevel: ZWAVE_S2_FAILED
Raw Description zw:S type:0701 mfr:0371 prod:0102 model:0007 ver:1.01 zwv:6.07 lib:03 cc:5E,85,8E,59,55,86,72,5A,73,9F,70,84,80,5B,30,71,6C,7A
Current States * contact: open
- battery: 100 %
- checkInterval: 28920 s
Does anyone have any thoughts what the problem might be (or the solution to keep it on line and make it presumably reliable.?