Specifies the time in milliseconds between BACnet object polls for attribute values. The polls start at the time specified in the Periodic Update attribute. As the Poll Delay increases, the overall time in the Execution Time attribute increases. It is useful to specify a Poll Delay on sites where the rate of reading the remote objects causes too high a burden on the BCPro network or third-party device. The initial value of the Poll Delay attribute is blank (zero).
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