2 PLC Machine Data 09.01
2.5.1 PLC machine data bits for user (DB 65)
2.5.1 PLC machine data bits for user (DB 65)
7 6 5 4 3 2 1 0
Bit No.
Byte No.
PLC
MD No.
Machine data bits for user (IA)
15 14 13 12 11 10 9 8
8000
DL 0
.
.
.
8255
DR 127
2.6 DBs set up for user
2.6.1 Data words for user (DB 68)
High byte (DL) Low byte (DR)
DW No.
PLC
MD No.
Data words
DL 0
.
.
.
DW 63
2.6.2 Data bits for user (DB 71)
7 6 5 4 3 2 1 0
Bit No.
Byte No.
PLC
MD No.
Data bits for user
15 14 13 12 11 10 9 8
DL 0
.
.
.
DR 15
END OF SECTION
2–14
© Siemens AG 1992 All Rights Reserved 6FC5197- AA60
SINUMERIK 840C (IA)