Allen-Bradley 1747-SN User Manual page 150

Rung 2:0
Configure the BTR and BTW length and RIO address at power–up. Also, set the block
transfer operation bit for BTR operation only.
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| POWER–UP
| BIT
| S:1
|––––] [––––––––––––––––––––––––––––––––––––––––––––––+–+COPY FILE
| 15
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Rung 2:1
Copy the BTR status area to an integer file only when a BTR is in progress. This
status data will then be used throughout the program and will limit the number of
M–File accesses.
| SERVICE
| THE BTR
| STATUS/
| BTR
| PENDING
| B3:0
|––––] [––––––––––––––––––––––––––––––––––––––––––––––––––+COPY FILE
| 0
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Rung 2:2
Copy the BTW status area to an integer file only when a BTW is in progress. This
status data will then be used throughout the program and will limit the number of
M–File accesses.
| SERVICE
| THE BTW
| STATUS/
| BTW
| PENDING
| B3:0
|––––] [––––––––––––––––––––––––––––––––––––––––––––––––––+COPY FILE
| 1
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Application Examples
BTR
CONTROL
+COP–––––––––––––––+
| |Source #N7:50| | |
| |Dest #M0:1.101| | |
| |Length
| +––––––––––––––––––+ | |
| BT
| OPERATION
| BIT
| M0:1.100
+––––(L)–––––––––––––––+ |
| 7
| BTW
| CONTROL
| +COP–––––––––––––––+ | |
+–+COPY FILE
|Source #N7:52|
|Dest #M0:1.201|
|Length
+––––––––––––––––––+
BTR STATUS
+COP–––––––––––––––+ |
|Source #M1:1.100| |
|Dest #N7:60| |
|Length
+––––––––––––––––––+ |
BTW
STATUS
+COP–––––––––––––––+ |
|Source #M1:1.200| |
|Dest #N7:64| |
|Length
+––––––––––––––––––+ |
Publication 1747 6.6 - July 1996
7–17
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