My current setup consists of 1 PR55-17A connected to a PC and 4 additional PR55-17A units spread out within a building acting as repeaters.
I have found that after about 2 hours, these repeaters stop functioning and require a power cycle to start communicating again. I also used XCTU’s networking mode to see if the connected modem could find the repeaters after this ~2 hour mark, which it did not. Once power cycled, they are seen again in XCTU’s network scan and once closed I start node-red to start capturing data. But after about 2ish hours they are not found and node-red isn’t capturing any sensor data relayed by those repeaters.
Do note that the sensor nodes close enough to the connected modem that don’t rely on the repeaters are getting data captured in node-red.
Another observation I found is that if repeater is relaying data and I start up XCTU and then do a network scan, that seems to “break” that repeater even early than the 2 hour window and I have to power cycle it. But it only seems to “break” it when I do a network scan after it has already relayed some sensor data. If I get it scanned before any data relay, it appears to function that roughly 2 hours before I don’t see data anymore. It’s hard to pin down a fixed pattern for the issue I am seeing.
The settings I modified for the Xbee module include PL (TX power level), ID (Network ID), and EE (Encryption Key). Other values were left as is from NCD’s assigned values.