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09.95 8 PLC Machine Data (PLC MD)
8.5 PLC MD for the operating system (system bits)
6044
DL 22
DR 4 DL 4 DR 3 DL 3 DR 2 DL 2 DR 1 DL 1
6045
DR 22
DR 8 DL 8 DR 7 DL 7 DR 6 DL 6 DR 5 DL 5
6046
DL 23
DR 12 DL 12 DR 11 DL 11 DR 10 DL 10 DR 9 DL 9
6047
DR 23
DL 16 DR 15 DL 15 DR 14 DL 14 DR 13 DL 13
PLC MD
DB63
DW No.
Bit No.
7 6 5 4 3 2 1 0
Signal DB 58
Signal DB 58
Signal DB 58
Signal DB 58
Default value: All bits default to 0
Bit = 0 The system software does not evaluate the bits in the corresponding interface
byte for operational messages.
Bit = 1 The system software evaluates the bits in the corresponding interface byte for
operational messages.
Note:
If the same bit is also set for error messages (PLC MD 6036 to 6039), the PLC goes into the
Stop loop.
Sample application:
DB 58 D 5.1 1 signal operational message 9073;
PLC MD 6045.1 = 1
© Siemens AG 1992 All Rights Reserved 6FC5197- AA50 8–21
SINUMERIK 840C (IA)
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