Chapter 9 Ethernet Specification and Operation
9-49
Bit (s) Name Description
9 Minor Unrecoverable Fault
0: No minor unrecoverable fault detected
1: Minor unrecoverable fault detected
10 Major Recoverable Fault
0: No major recoverable fault detected
1: Major recoverable fault detected
11 Major Unrecoverable Fault
0: No major unrecoverable fault detected
1: Major unrecoverable fault detected
9.8.4 Message Router Object (Class ID: 02 Hex)
This 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.
Service Code
Service
Code
Service Name
Support
Description
Class Attribute Instance Attribute
H’0E Get_Attribute_Single V V Read a single attribute
Class
Class ID: H’02
Instance
H’00: Class Attribute
H’01: Instance Attribute
When Instance = 0, the Class Attributes are listed below.
Class
Attribute
Name
Access
Rule
Data Type Values Description
H’01 Revision Get UINT H’01 Revision of this object
When Instance = 0, the Instance Attributes are listed below.
Instance
Attribute
Name
Access
Rule
Data Type Values Description
H’02 Number Available Get UINT H’0
The maximum number of
connections
H’03 Number Active Get UINT H’0
The number of connected
connections