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Rockwell Automation Publication 1420-UM001D-EN-P - September 2013 77
PowerMonitor 500 EtherNet/IP Device Profile Appendix C
Class Attributes
Instance Attributes
Common Services
Get Attribute Single Service
The Get Attribute Single service returns the single attribute specified by the
parameter Attribute ID.
Request Parameters
Assembly Object Instances
The communication module's Assembly Object supports nine instances
(instances 100d to 108d). The Data attributes of these instances can be accessed
via Class 1 scheduled connections and via Class 3 or UCMM unscheduled
connections.
The tables in Chapter 4
define the size and content of the Data attribute for each
Assembly object instance.
Attr ID Access Name Data Type Default Value
0x01 Get Revision UINT 2
0x02 Get Max Instance UINT 108d
0x03 Get Number of Instances UINT 9
0x04 Get Optional Attributes List STRUCT of UINT
ARRAY of UINT
0x0001,
{0x0004}
0x06 Get Maximum ID Number Class
Attributes
UINT 7
0x07 Get Maximum ID Number Instance
Attributes
UINT 4
Attr ID Access Name Data Type Default Value
0x03 Get Data Instance Dependent
(1)
(1) See Chapter 4 for more information.
All of the member data packed
into one array.
0x04 Get Size Size (in bytes) of the Data attribute Instance Dependent
(1)
Service Code Class/Instance Usage Service Name
0x0E Class/Instance Get Attribute Single
Parameter Data Type Description
Attribute ID UINT Identifies the attribute to be read / returned