Parameterization
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06/27/2017
7.3 Object 0x02, Message Router
The
Message Router Object
provides a messaging connection point through
which a Client may address a service to any object class or instance residing in the
physical device.
7.3.1 Common Services
Service Code
Service Name
Description
0x01
Get_Attributes_All
Returns the contents of all attributes. The
order corresponds to the Attr.-ID. According
to the data type the Low part is written first.
0x0E
Get_Attribute_Single
Returns the contents of the specified
attribute.
7.3.2 Class Attributes
No. Access
Name
Data type
Attribute Description
Default
1
Get
Revision
UINT
Revision of this object
0x00 01
2
Get
Max Instance UINT
Maximum instance number of an
object currently created in this class
level of the device.
0x00 01
3
Get
Number of
Instances
UINT
Number of object instances currently
created at this class level of the
device.
0x00 01
4
Get
Optional
attribute list
STRUCT
of:
List of optional instance attributes
utilized in an object class
implementation.
Number of
attributes
UINT
Number of attributes in the optional
attribute list.
0x02 00
Optional
attributes
ARRAY of
UINT
List of optional attribute numbers.
0x01 00,
0x02 00
5
-
-
-
not implemented
0x00 00
6
Get
Maximum
ID Number
Class
Attributes
UINT
The attribute ID number of the last
class attribute of the class definition
implemented in the device.
0x00 07
7
Get
Maximum ID
Number
Instance
Attributes
UINT
The attribute ID number of the last
instance attribute of the class definition
implemented in the device.
0x00 02
Table 13: Message Router, Overview of the class attributes
