Plc programming considerations appendix a – Rockwell Automation 2711 PANELBUILDER SOFTWARE USER MANUAL User Manual
Page 371
PLC Programming Considerations
Appendix A
A-7
Figure A.4
BiĆdirectional Block Transfer Example (PLCĆ3)
XOR
A XOR B = R
A : WB001:0000
0000000000000000
B : WB001:0000
0000000000000000
R : WB001:0000
0000000000000000
BTR Error
WB0001:0000
] [
13
13
CNTL
(EN)
12
20240
BTR
BLOCK XFER READ
Rack:
000
Group:
0
Module 0 = Low
Data:
FB002:0000
Length:
32
CNTL:
FB001:0000
BTW Error
WB0001:0000
] [
03
Processor
Run Mode
1-shot
WB0000:0000
] / [
00
Processor
RunĆMode
1-shot
WB000:0000
( )
00
use any store bit for this
BTR Error
WB0001:0000
] [
BTR Error
WB001:0000
] / [
13
BTR Done
WB001:0000
] / [
15
CNTL
(DN)
15
CNTL
(ER)
13
CNTL
(EN)
12
BTW
BLOCK XFER WRITE
Rack:
000
Group:
0
Module 0 = Low
Data:
FB003:0000
Length:
32
CNTL:
FB001:0000
BTW Error
WB001:0000
] / [
03
BTW Done
WB001:0000
] / [
05
CNTL
(DN)
05
CNTL
(ER)
03
MVF
FILES FROM A TO R
A:
FB002:0000
B:
FB004:0000
COUNTER: C0000
POS / LEN: 0 / 32
MODE: ALL/SCAN
BTR Done
WB0001:0000
] [
15
The PLC Program should
use the verified" read
file data.
Move BT read file to
verified" read file