Rockwell Automation 1746-HSCE,D17466.5 High-Speed Counter Module User Manual

Page 43

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Publication 1746-UM006B-EN-P - August 2005

Module Operation 2-25

An example of Sequencer Mode with a linear counter is shown below.

Sequencer Mode with Linear Counter

Output 0

10,000

20,000

30,000

Reset Value

0

1

2

3

4

5

0

1

2

3

4

5

1

2

0

1

1

2

3

1

2

25,000

15,000

5,000

Current Sequencer Step

Next Sequencer Step

Reset Condition

Sequencer Reset (M0:e.1/0)

Output 1

Output 2

Output 3

Accumulated

Count

Number

Desired Trigger

Preset Value

Outputs

(1)

(1) Bits 0-3 are physical outputs, bits 4-7 are soft outputs.

7 6 5 4 3 2 1 0

Initial Outputs

0 0 0 0 0 0 0 0

1

10,000

9,999

0 0 0 0 0 0 0 1

2

25,000

24,999

0 0 0 0 0 0 1 0

3

15,000

15,001

0 0 0 0 0 0 1 1

4

10,000

10,001

0 0 0 0 0 1 0 0

5

20,000

19,999

0 0 0 0 1 1 0 1

IMPORTANT

Resetting the counter does not reset the sequencer,
unless the Sequencer Reset bit (M0:e.1/0) is set to 1
prior to the occurrence of the reset.

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