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PROFIBUS-DPV1 functions
167
11/04 MN01219002Z-EN
Variable definitions (example) for the object
According to IEC 61131-3, you define the following variable
(data module):
Format and meaning of the object data content
The following table displays the address location and the
meaning of the data content of the object. Furthermore, it
provides an example of how the data content can be
accessed by the application with the aid of the example
variable.
Table 45: Address location and meaning of the object data
content
The following table indicates the BCD coding of the “Time
and date of the DMI” data content.
Table 46: Format of the time and date data content
Name
Data type
DMI_clock
DATE_AND_TIME
Variable access
(example)
Data position
Meaning
DMI_clock
Octet 1 to 8
Time and date of the DMI
a
table 46
Data
position
Meaning
Explanation
Octet 1
Bit 4 to 7
Year, 10 position digit
Value 90 conforms to 1990
Value 99 conforms to 1999
Value 00 conforms to 2000
Value 89 conforms to 2089
Bit 0 to 3
Year, 1 position digit
Octet 2
Bit 4 to 7
Month, 10 position digit
–
Bit 0 to 3
Month, 1 position digit
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