Rockwell-automation 1756-IH16ISOE ControlLogix Sequence of Events Modu Manual de usuario Pagina 139

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Publication 1756-UM528A-EN-P - April 2004
Using Module Tags D-5
I.ReturningUCTTime Modulewide Indicates if timestamps are in UCT format rather than CST.
0 = CST format
1 = UCT format
For more information on UCT format, see Appendix B.
I.EventNumber.x Modulewide Running count of the timestamped transitions; this tag increments by one with each
new transition that the module timestamps. In CST Per Point mode, this tag has lesser
importance than in FIFO mode.
This value is cleared if the module is reset.
I.Timestamp[16].OffOn[2]
Per point Timestamp value (in CST or UCT format) with an input’s OFF to ON transition. This tag is
a 16 x 2 32-bit array.
This value is cleared after the data has been acknowledged via the O.EventAck and
O.NewData tags. For more information on clearing timestamp data, see page 6-12.
I.Timestamp[16].OnOff[2]
Per point Timestamp value (in CST or UCT format) with an input’s ON to OFF transition. This tag is
a 16 x 2 32-bit array.
This value is cleared after the data has been acknowledged via the O.EventAck and
O.NewData tags. For more information on clearing timestamp data, see page 6-12.
(1)
With the Per point tags, there is one bit per input. For example, bit 0 represents input 0, bit 7 represents input 7 and so on.
Table D.3 Input Tags in CST Per Point Mode
Tag name: Set on a Per Point or
Modulewide basis:
Description:
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