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Gets the unit status (PLC status).
syntax
dState = AxEng1.GetUnitState(
UnitName
)
Parameters
type:
string
Unit name. Example: U01
Return Value
dState
integer
Unit status. 1-Alive 2-Virtual OR of each value
Commentary
dState stores values from 0 to 3 in the following combinations:
•Alive=F/ Virtual=F :0
•Alive=T/ Virtual=F :1
•Alive=F/ Virtual=T :2
•Alive=T/ Virtual=T :3
For example, when (dState And 1)=True, communication with PLC is established. When (dState And 2)=True, the communication mode is virtual.
reference
StateChanged