I've found strange behaviour of power consumption calculation.
Shelly 1PM shows the pretty accurate value of the current power consumption of my LED lamp (~60W).
When I turn on the shelly relay correct current power appears in about 3 seconds.
When I turn off the shelly relay correct current power zeroed instantly.
So long all good.
But when it comes to total energy consumption Shelly shows the same 60 Watt*minute for the case when the lamp was turned on full minute and for case when the lamp was turned on for a few seconds. curl -s http://192.168.1.105/status | jq .meters[0]:
{
"power": 0,
"overpower": 0,
"is_valid": true,
"timestamp": 1637675653,
"counters": [
60.682,
60.006,
0
],
"total": 223
}
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It seems there is some (software) problem in power consumption calculation.
Maybe the current power did not reset after the load turned off as there are no more pulse signals from BL0937 energy meter IC?
FW version: 20211109-130756/v1.11.7-g682a0db