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PROFIBUS-DPV1 functions
135
11/04 MN01219002Z-EN
Variable definitions (example) for the object
According to IEC 61131-3, you define the following variable
(data module):
Table 28: Address location and meaning of the object data
content
Name
Data type
LS_used parameters
STRUCT
Options
ARRAY [1..16] OF BOOL or
ARRAY [1..2] OF BYTE
I
r
BYTE or USINT
I
i
T
r
I
sd
T
sd
I
dn
T
vdn
Variable access
(example)
Data position
Meaning
LS_used parameters.
Octet 1
Options[1]
Bit 0
Parameters used:
I
2
t
1)
a
table 26
Bit 1 to Bit 7
Not used
Octet 2
Bit 0 to Bit 7
Not used
I
r
Octet 3
Parameters used:
I
r
1)
a
table 22
I
i
Octet 4
Parameters used:
I
i
1)
a
table 23
Tr
Octet 5
Parameters used:
T
r
1)
a
table 25
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