5–31RIO Block Transfer
Publication
17476.6 - July 1996
Rung 2:5
BLOCK TRANSFER READS WILL EXECUTE CONTINUOUSLY AS LONG AS THE BTR PRECONDITION
BIT IS TRUE.
| | | | |
| | | | |
| BTR PRE– |VIRTUAL |VIRTUAL |VIRTUAL |
| CONDITION |BTR ENABLE|BTR DONE |BT ERROR BTR |
| BIT |BIT |BIT |BIT PENDING |
| B3 B3 B3 B3 B3 |
|––––] [––––––––]/[––––––––]/[––––––––]/[–––––––––––––––––––––––+––––(L)–––––+–|
| 83 1615 13 12 | 80 | |
| | | |
| | | |
| | | |
| | | |
| | VIRTUAL | |
| | BTR ENABLE | |
| | BIT | |
| | B3 | |
| +––––(L)–––––+ |
| 1615 |
Rung 2:6
MOVE THE VIRTUAL 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.
| |
| |
| VIRTUAL BTR |
| BTR ENABLE CONTROL |
| BIT WORD |
| B3 +MOV–––––––––––––––+ |
|–+––––] [–––––+––––––––––––––––––––––––––––––––––––––––––+MOVE +–|
| | 1615 | |Source B3:100| |
| | | | 0000000000000000| |
| | | |Dest M0:1.100| |
| | | | *| |
| | | +––––––––––––––––––+ |
| | | |
| | | |
| | VIRTUAL | |
| | BTR DONE | |
| | BIT | |
| | B3 | |
| +––––] [–––––+ |
| | 13 | |
| | | |
| | | |
| | VIRTUAL | |
| | BT ERROR | |
| | BIT | |
| | B3 | |
| +––––] [–––––+ |
| 12 |
Rung 2:7
| |
|–––––––––––––––––––––––––––––––––––––+END+––––––––––––––––––––––––––––––––––––|
| |
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