B&B Electronics GW-7472 - Manual - Manual (Page 44)

GW-7472 User Manual, Version 1.0, Dec 2010 --- 44
3. Message Router Object (02
hex
)
The Message Router Object is used for routing the Explicit Message or UCMM to access
the instance of the object with specific Class ID, Instance ID and Attribute ID. It provides
two kinds of services for accessing any objects in the GW-7472.
Class Attributes (Instance ID = 0
hex
)
Common Services
Attribute ID Name Data Type Data Value Access Rule
1 Revision UINT 01
dec
Get
2 Max Instance UINT 01
dec
Get
3 Number of Instances UINT 01
dec
Get
6
Max Class Attributes ID
Number
UINT 07
dec
Get
7
Max Instance Attributes
ID Number
UINT 00
dec
Get
Service Code
Implemented for
Service Name
Class Instance
0E
hex
Yes No Get_Attribute_Single
01
hex
Yes No Get_Attributes_All