Read Only Block Transfer For Plc 2 Family Processors - AB Quality Allen-Bradley 1771-DE User Manual

Appendix C
RADIX = %H START = WB015:0000
WORD # 0
00000 0000
00008 0000
00016 9E9E
00024 2560
00032 0000
00040
Read only Block transfer for
PLC 2 Family Processors
C 6
Figure C.4
Example Read and Write data Files (PLC 3 Processors)
1 2
0200 0693
0000 0000
1024 1535
3071 9E9E
0000 0000
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.
3 4
0000 0000
9E9E 0000
1536 2047
3072 3583
0000 0000
5 6
0000 0000
0511 0512
9E9E 2048
3584 4095
0000 0000
7
0000
1023
2559
0000
0000