PROFIBUS-DPV1 functions
169
11/04 MN01219002Z-EN
DMI inputs object
This object contains the current states of the inputs I0 to I5
of the DMI.
This object is a read only object. It can be accessed by class 1
and/or a class 2 DPV1 master.
Intended usage
Use this object in order to obtain information concerning the
state of the inputs of the DMI.
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 25.
The length of the data to be read is 1 Octet. 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.
Name
Data type
DMI_inputs
ARRAY [1..8] OF BOOL or
BYTE
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
