HMI command demo
TotalEnergy
Energy in kWh, integrated over the run
History
the device's own ring buffer, 15 min deep
724.22
724
Now
724.2235107421875
Good
14:19:42
Runtime only — not written to the configuration. Release undoes it.
Behaviour
expression| formula | value + Power * dt / 3600 |
| initial | 0 |
Where a client reads it
opcua
opc.tcp://localhost:48011
ns=2;s=Hmi.TotalEnergy
read-only here
|
modbus
modbus://localhost:5021?unitId=1
holding register 8-9
read-only here
|