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DB number
20
21 ... 24
31 ... 38
62 ... 70
74
71 - 73
75 ... 76
77 ... 80
81 ... 999
1000 ... 1019
1020
1021 ... 1099
1100 ... 24999
25000 ... 29999
30000 ... 59999
60000 ... 60999
Table 5-4
FB number
0
1
2 ... 3
4
5
6
7
8
9
10 ... 29
15
16...28
29
30...999
1000 ... 1019
1020
1021 ... 1023
1024 ... 24999
MCU commissioning: NC, PLC, Drive
Commissioning Manual, 02/2020, A5E47437618B AB
Availability
Reserved
Occupied¹
Occupied¹
Freely available (user program)
Reserved
Reserved
Occupied
Reserved
Occupied or reserved
Reserved
Occupied or reserved
Reserved
Freely available (user program)
Reserved
Reserved²
Occupied or reserved
Assignment overview of the FB numbers
Availability
Reserved
Reserved
Occupied
Reserved
Occupied
Reserved
Occupied
Reserved
Occupied
Reserved
Reserved
Reserved
Reserved
Freely available (user program)
Reserved
Occupied
Reserved
Freely available (user program)
PLC commissioning
5.4 Creating a PLC program
Occupied by
Siemens
Siemens (basic PLC program: inter‐
face for NC channels)
Siemens (basic PLC program: inter‐
face for axes/spindles)
-
Siemens
Siemens
Siemens (M group decoding)
Siemens
Siemens (ShopMill, ManualTurn)
Siemens
Siemens (basic PLC program)
Siemens
-
Siemens
Standard number range for gener‐
ated F-system blocks
CPU DBs
Occupied by
Siemens
Siemens (basic PLC program)
Siemens (basic PLC program)
Siemens
Siemens (basic PLC program)
Siemens
Siemens (basic PLC program)
Siemens
Siemens (basic PLC program)
Siemens
Siemens (basic PLC program)
Siemens
Siemens (basic PLC program)
-
Siemens
Siemens (basic PLC program)
Siemens
-
87
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