OPC DA connector group properties

Active

Indicates whether the OPC DA server monitors active variables in the group.

True, False

EnableCallbacks

Indicates whether the OPC DA server sends event notifications to the server.

This property does not affect whether the OPC DA server monitors the variables; that is the role of the Active property.

True, False

PercentDeadband

This property applies to variables that have an analog value.

The OPC DA server uses this value to determine whether to send an event notification to the server. The OPC DA server sends an event notification when the change in the value of the variable is greater than the PercentDeadband value.

0 to 100

UpdateRate

The rate at which the OPC DA server sends event notifications to the server.

If the server does not support the rate that you specify, the server uses the closest rate that it supports.

[hh:mm:ss] Minimum is 1 second (00:00:01). Maximum is 23 hours, fifty nine minutes, fifty nine seconds (23:59:59).