Rockwell Automation 1772-LP3 PLC - 2/30 Programmable Controller Programming and Operations Manual User Manual

Page 252

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Shift Register Instructions

Chapter 13

13Ć9

Figure 13.6

FIFO LOAD and FIFO UNLOAD Example Rung

FIFO UNLOAD

COUNTER ADDR:

200

FIFO SIZE:

064

NUMBER IN FILE:

000

FILE:

400- 477

INPUT ADDR:

130

INPUT DATA:

0000

200

(EN)

17

200

(FL)

15

200

(EM)

14

FIFO LOAD

COUNTER ADDR:

200

FIFO SIZE:

064

NUMBER IN FILE:

000

FILE:

400- 477

OUTPUT ADDR:

040

OUTPUT DATA:

0000

200

(EN)

16

200

(FL)

15

200

(EM)

14

(A.)

(B.)