Allen-Bradley 1747-SN User Manual page 130

Rung 2:9
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| VIRTUAL |VIRTUAL
| BTR ENABLE|BTW ENABLE|BTW DONE
| BIT |BIT
| N7:50 N7:53
|––––]/[––––––––]/[––––––––]/[––––––––]/[–––––––––––––+–+COPY FILE
| 15 15
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Rung 2:10
MOVE THE VIRTUAL BTR CONTROL WORD TO THE M0 FILE FOR THE SN MODULE WHILE A BTR
IS IN PROGRESS, AND CONTINUE DOING SO UNTIL THE ENABLE, DONE AND ERROR BITS
ARE ALL TURNED OFF, COMPLETING THE HAND–SHAKE PROCESS.
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| VIRTUAL
| BTR ENABLE
| BIT
| N7:50
|–+––––] [–––––+––––––––––––––––––––––––––––––––––––––––––+MOVE
| | 15 |
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| | VIRTUAL |
| | BTR DONE |
| | BIT |
| | N7:60 |
| +––––] [–––––+
| | 13 |
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| | BTR ERROR |
| | BIT |
| | N7:60 |
| +––––] [–––––+
| 12
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|VIRTUAL |VIRTUAL
|BTW ERROR
|BIT |BIT
N7:64 N7:64
13 12
RIO Block Transfer
BTW DATA
+COP–––––––––––––––+
+–+–|
| |Source #N7:10| | |
| |Dest #M0:1.210| | |
| |Length 11| | |
| +––––––––––––––––––+ | |
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| VIRTUAL
| BTW ENABLE
| BIT
| N7:53
+––––(L)–––––––––––––––+ |
| 15
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| BTW
| PENDING
| B3
+––––(L)–––––––––––––––+ |
1
BTR
CONTROL
WORD
+MOV–––––––––––––––+ |
|Source N7:50| |
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|Dest M0:1.100| |
|
+––––––––––––––––––+ |
Publication 1747 6.6 - July 1996
5–53
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+–|
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