Siemens SINUMERIK 840C User Manual
Page 620
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8 PLC Machine Data (PLC MD)
11.92
8.5 PLC MD for the operating system (system bits)
6096
DL 48
6097
DR 48
6098
DL 49
6099
DR 49
PLC performance (IA)
PLC
MD No.
DW No.
15
14
13
12
11
10
9
8
Bit No.
7
6
5
4
3
2
1
0
Reserved
Reserved
Reserved
Reserved
6400
..
6419
Internal system bits
Bit 0 must be set to 1
6480
..
6499
Internal system bits
Bit 0 must be set to 1
MD No.
Bit No.
7
6
5
4
3
2
1
0
MD 6400 to 6574 without DB.
8.6
PLC MD bits for function blocks (FB bits)
7000 to
7049
DW 0 -
DW 24
PLC MD
DB64
DW No.
Bit No.
7
6
5
4
3
2
1
0
Default value:
All bits default to 0
Refer to the Tool Management and Computer Link literature for details.
8–28
© Siemens AG 1992 All Rights Reserved 6FC5197- AA50
SINUMERIK 840C (IA)
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