Manual

Rockwell Automation Publication 750COM-UM003B-EN-P - November 2012 107
ControlNet Objects Appendix C
Assembly Object
Class Code
Services
Instances
Class Attributes
Instance Attributes
Hexadecimal Decimal
0x04 4
Implemented for:
Service Code Class Instance Service Name
0x0E Yes Yes Get_Attribute_Single
0x10 Yes Yes Set_Attribute_Single
Instance Description
1 All I/O data being read from the DPI device (read-only)
2 All I/O data written to the DPI device (read/write)
Attribute ID Access Rule Name Data Type Description
1GetRevisionUINT2
2 Get Max Instance UINT 2
100 Set Control Timeout UINT Control timeout in seconds
Attribute ID Access Rule Name Data Type Description
1 Get Number of Members UINT 1
2 Get Member List ARRAY of STRUCT:
UINT
UINT
Packed EPATH
Size of member data
Size of member path
Member path
3Conditional
(1)
(1) For instance 1, access rule for the data attribute is Get. For instance 2, it is Get/Set.
Data Array of Bits Data to be transferred
4 Get Size UINT Size of assembly data in bits
IMPORTANT
Setting an assembly object attribute can be done only when the Control
Timeout (class attribute 100) has been set to a non-zero value.