Siemens SIMATIC FM 453, Manual

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5-22
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
5.3.3 Tool Offset Data
Table 5-7 gives you a general view of the structure of the “tool offset data”
data block (DB-WK).
DB No.: 1220 for channel 1
DB No.: 1520 for channel 2
DB No.: 1820 for channel 3
Table 5-7 DB Structure – Tool Offset Data
Address Variable Type Value Significance of the Variables Comment
DB header (36 bytes)
0 WORD Rack slot Module address
2 WORD DB No. (
w
1000) As in DB header
4 DWORD Reserved
8 WORD Error No. (from FM) With MMI services
10 WORD 1 Channel number
12 2 STRING TO DB identifier/type 2 ASCII characters
16 DWORD 453 Module identifier FM 453
20 4 CHAR 0 Version number/block number (DB structure)
24 DWORD 1 – 3 Measurement-system grid per MD7 Unit of measurement
28 WORD 0/1 Parameter (DB) backup Job via MMI
30 WORD Reserved
32 DINT
DINT
DWORD –10
9
– 10
9
–10
9
– 10
9
0 – 10
9
Tool length offset 1
Wear value 1 absolute
Wear value 1 additive Tool 1
see Section 10.1
44 DINT
DINT
DINT –10
9
...10
9
–10
9
...10
9
–10
9
...10
9
Tool length offset 2
Wear value 2 absolute
Wear value 2 additive
to
Tool length offset 20
Wear value 20 absolute
Wear value 20 additive
Tool 2
to
Tool 20
see Section 10.1
DB Structure
Defining Parameters of the FM 453