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changes.mady.by.user Gill Houghton

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changes.mady.by.user Gill Houghton

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Timestamp (in seconds)

Tag Path

Value

0.5

T1

1

0.75

T2

1

1.5

T3

1

2.5

T1

2

4.5

T1

3

4.75

T1

4


Event Driven

Messages will be pushed on the 'tag pacing period', in this case every second, and the message will contain changing tags only:

    • At Time 0 - BIRTH - Includes:

      • T1 with a value of 0 and timestamp of 0

      • T2 with a value of 0 and timestamp of 0

      • T3 with a value of 0 and timestamp of 0

    • At Time +1 - DATA - Includes:

      • T1 with a value of 1 and timestamp of 0.5

      • T2 with a value of 1 and timestamp of 0.75

    • At Time +2 - DATA - Includes:

      • T3 with a value of 1 and timestamp of 1.5

    • At Time +3 - DATA - Includes:

      • T1 with a value of 2 and timestamp of 2.5

    • At Time +4 


      Note
      Nothing is published as there were no tag changes between Time + 3 and Time +4


    • At Time +5 - DATA - Includes:

      • T1 with a value of 3 and timestamp of 4.5

      • T1 with a value of 4 and timestamp of 4.75


Periodic

Messages will be pushed on the 'tag pacing period', in this case every second, and the message will contain all current values:

    • At Time 0 - BIRTH - Includes:

      • T1 with a value of 0 and timestamp of 0

      • T2 with a value of 0 and timestamp of 0

      • T3 with a value of 0 and timestamp of 0

    • At Time +1 - DATA - Includes:

      • T1 with a value of 1 and timestamp of 0.5

      • T2 with a value of 1 and timestamp of 0.75

      • T3 with a value of 0 and timestamp of 0

    • At Time +2 - DATA - Includes:

      • T1 with a value of 1 and timestamp of 0.5

      • T2 with a value of 1 and timestamp of 0.75

      • T3 with a value of 1 and timestamp of 1.5

    • At Time +3 - DATA - Includes:

      • T1 with a value of 2 and timestamp of 2.5

      • T2 with a value of 1 and timestamp of 0.75

      • T3 with a value of 1 and timestamp of 1.5

    • At Time +4 - DATA - Includes:

      • T1 with a value of 2 and timestamp of 2.5

      • T2 with a value of 1 and timestamp of 0.75

      • T3 with a value of 1 and timestamp of 1.5

    • At Time +5 - DATA - Includes:

      • T1 with a value of 4 and timestamp of 4.75

      • T2 with a value of 1 and timestamp of 0.75

      • T3 with a value of 1 and timestamp of 1.5


        Note
        Note the missed event for T1 with value 3 at timestamp 4.5


Hybrid

Two messages will be pushed on the 'tag pacing period', in this case every second, with one message containing tag change events and one containing the non-changed tag data:

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