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What is the Group Update Rate's Longest and Shortest Period?

Last Update: 11/7/2018

The Update Rate parameter is defined by the OPC DA specification. As a Long data type, it has a value range of 0 to 4294967295 milliseconds. The lowest or fastest update rate is 10 msec. The longest or slowest is 4294967295 msec, which is about every 49 days.