HMI command demo
StartButton
The operator's start button: write it true and the cycle begins
History
the device's own ring buffer, 15 min deep
0
0
Now
False
Good
15:24:50
Runtime only — not written to the configuration. Release undoes it.
Written by a client
Nothing written yet. A client's write holds this signal against its generator
until it is released.
Behaviour
constantThis kind takes no parameters.
Where a client reads it
opcua
opc.tcp://localhost:48011
ns=2;s=Hmi.StartButton
accepts writes
|
modbus
modbus://localhost:5021?unitId=1
coil 0
accepts writes
|