Siemens SINUMERIK 840C Installation Instructions Manual page 613

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09.95
PLC MD
DB63
7
DW No.
6044
DL 22
DR 4
DL 4
6045
DR 22
DR 8
DL 8
6046
DL 23
DR 12
DL 12
6047
DR 23
DL 16
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
SINUMERIK 840C (IA)
Bit No.
6
5
4
Signal DB 58
DR 3
DL 3
Signal DB 58
DR 7
DL 7
Signal DB 58
DR 11
DL 11
Signal DB 58
DR 15
DL 15
6FC5197- AA50
8 PLC Machine Data (PLC MD)
8.5 PLC MD for the operating system (system bits)
3
2
1
DR 2
DL 2
DR 1
DR 6
DL 6
DR 5
DR 10
DL 10
DR 9
DR 14
DL 14
DR 13
0
DL 1
DL 5
DL 9
DL 13
8–21

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