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Rockwell Automation 1771-DE Absolute Encoder Module User Manual User Manual

Page 65

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Appendix C

CĆ6

Figure C.4

Example ReadĆand WriteĆdata Files (PLCĆ3 Processors)

RADIX = %H START = WB015:0000
WORD #

0

1

2

3

4

5

6

7

00000

0000

0200

0693

0000

0000

0000

0000

0000

00008

0000

0000

0000

9E9E

0000

0511

0512

1023

00016

9E9E

1024

1535

1536

2047

9E9E

2048

2559

00024

2560

3071

9E9E

3072

3583

3584

4095

0000

00032

0000

0000

0000

0000

0000

0000

0000

0000

00040

In this example:

Word 1 shows that output 1 is energized.

Word 2 indicates the current encoder position is 693.

The current position is between the presets for output 1 (words 14 and
15).

Figure C.5

shows example rungs for a read-only block-transfer operation.

Use this example to optimize your block-transfer timing.

ReadĆonly BlockĆtransfer for

PLCĆ2 Family Processors