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PROFIBUS-DPV1 functions
175
11/04 MN01219002Z-EN
Intended usage
Use this object in order to obtain information concerning
device identification relating to the firmware version.
Addressing and length of the object
Please use the following information for addressing of the
object:
• API is equal to 0 (only required for class 2 DPV1 master),
• Slot number is equal to 0,
• The index is equal to 28.
The length of the data to be read is 12 Octets. Please ensure
that you do not enter smaller lengths when calling the Read
service as otherwise you will receive a fault indication.
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 50: Address location and meaning of the object data
content
The data content is coded as an ASCII string.
Name
Data type
DMI_SW_Version
ARRAY [1..12] OF CHAR or
STRING [12]
Variable access
(example)
Data position
Meaning
DMI_SW_Version
Octet 1 to 12
Firmware version of the DMI
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