Rockwell Automation 193-EC4 EC4 Current Monitoring Relay User Manual - Manual (Page 124)

Rockwell Automation Publication 193-UM011A-EN-P - September 2010 125
DeviceNet Information Appendix B
The following common services are implemented for the Identity Object:
Message Router – Class
Code 0x02 No class or instance attributes are supported. The message router object exists
only to route explicit messages to other objects.
DeviceNet Object – Class
Code 0x03 The following class attributes are supported for the DeviceNet Object:
A single instance (instance 1) of the DeviceNet Object is supported. The
following instance attributes are supported:
4 Get Revision
Major
Minor
Structure of:
USINT
USINT 4
1
5 Get Status WORD Bit 0 — 0 = Not owned, 1 = Owned by
master
Bit 2 — 0 = Factory Defaulted, 1 =
Configured
Bit 8 — Minor recoverable fault
Bit 9 — Minor unrecoverable fault
Bit 10 — Major recoverable fault
Bit 11 — Major unrecoverable fault
6 Get Serial Number UDINT Unique number for each device
7 Get Product Name
String Length
ASCII String
Structure of:
USINT
STRING Product Code-specific
8 Get State USINT Returns the value “3 = Operational”
9 Get Configuration
Consistency
Value UINT Unique value depending upon output of
the parameter checksum algorithm
10 Get/Set Heartbeat
Interval USINT In seconds. Default = 0
Table 15 - Identity Object Common Services
Service Code Implemented for: Service Name
Class Instance
0x0E Yes Yes Get_Attribute_Single
0x10 No Yes Set_Attribute_Single
0x05 No Yes Reset (DeviceNet only)
Table 14 - Identity Object Instance Attributes
Attribute
ID Access
Rule Name Data Type Value
Table 16 - DeviceNet Object Class Attributes
Attribute ID Access Rule Name Data Type Value
1 Get Revision UINT 2