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4.2. Message Router Object (0x02)
Class code 0x02.
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.
Class Attributes
Instance Attribute ID Access Name Data type Details Value
1 Get Revision UINT Revision of this object 1
2 Get Max Instances UINT Maximum instance number of an
object currently created in this class
level of the device.
1
3 Get Number of Instances UINT Number of object instances currently
created at this class level of the
device.
1
Optional attribute list STRUCT
of
List of optional instance attributes
utilized in an object class
implementation.
2
Number of attributes UNIT Number of attribute in the optional
attribute list.
2
4 Get
Optional attributes ARRAY of
UNIT
List of optional attribute numbers. 3
6 Get Max ID of class
attributes
UINT The attribute ID number of the last
class attribute of the class definition
implemented in the device.
7
0
7 Get Max ID of instance
attribute
UINT The attribute ID number of the last
instance attribute of the class
definition implemented in the device.
3
Class Service
Service Code Service Name Description of Service
0x0E Get_Attribute_Single Read one attribute
Instance Attribute
Instance Attribute ID Access Name Data type Details Value
2 Get Number Available UNIT
Maximum number of connections
supported
16
1
3 Get Number active UNIT Number of connections currently
used by system components
0
Instance Services
Service Code Service Name Description of Service
0x0E Get_Attribute_Single Read one attribute