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Producing current event data -14, Producing current event data – Rockwell Automation 1756-IH16ISOE ControlLogix Sequence of Events Module User Manual

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Publication 1756-UM528A-EN-P - April 2004

7-14 Using The Sequence of Events Module in FIFO Mode

Producing Current Event Data

Figure 7.2 shows an example of the Sequence of Events module
producing the current data for the controller to retrieve it.

In the example, the Sequence of Events module produces data from
the current event for the controller.

Figure 7.2

IMPORTANT

Remember, the current event is data that the
module is currently producing from its on-board
buffer at each RPI. For more information on how the
Sequence of Events module produces data from its
on-board buffer, see page 7-2.

0 1 1 0 0 1 0
1 1 0 0 1 1 0
0 1 0 0 0 1 0
1 1 0 0 1 1 0
1 0 1 0 0 1 0
1 1 0 0 1 1 0
1 0 1 0 0 1 1
0 0 0 0 1 1 0
1 1 0 0 1 0 1

1 0 0 1 1 1 0
1 1 1 0 0 1 1

I.Fault

I.EventOverlow
I.EventNumber
I.CSTTimestamp[2]
I.UCTTimestamp[2]
I.EventPoint

I.Data
I.NewData

43810

2. Module produces

current event data.

Sequence of Events module

ControlLogix controller

1. Module stores data

in on-board buffer.

Current event

I.EventData
I.ReturningUCTTime
I.EventsQueuedCount

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