Balluff BTL5-T110 Technische Beschreibung Seite 72

BTL5-T110...
Configuration and Profibus Connection –
Transducer Class 3/4
6 Startup (cont.)
Byte
Data type
number
0 Unsigned8
1 Unsigned8
2 Unsigned8
3 Unsigned8
Table 6-9: Structure of the DU in Read.req
The slave replies to the Read.req with a Read.res.
Byte 0 Byte 1 Byte 2
SD LE LEr
68h X X
Table 6-10: Message structure of Read.res
Meaning Description
Exactly one function
DP request code is assigned to
each service.
Slot
Index
Length of the
Length message to be
written.
Byte 3 Byte 4 Byte 5
SD DA SA
68h 8x 8x
Value
0x5E = Read
0
47
Byte 6 Byte 7 Byte 8
FC DSAP SSAP
X 32h 30h
Byte 9..n-2 Byte n-1 Byte n
DU FCS ED
see
Tab. 6-11:
Structure
X 16h
of the DU
in
Read.res
english
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