Technical data

91
W&T
Subject to errors and modifications
first received an event from this device, and you cannot
know in adavance when this will happen, or whether it will
happen at all.(It is not the case for example that newly
connected clients are automatically greeted with an event
from Category 1 or 2 for each device.). If this information
needs to be reliably made available, it can be determined
instead from the signal quality of the OPC-DA item of the
affected device.