Rockwell Automation RECOMM-ENET EtherNet/IP Communications Module - Manual (Page 140)

C-4 EtherNet/IP Communications Module
C.2 Assembly Object
Class Code
Instances
Class Attributes
Instance Attributes
Important: An assembly object attribute can set only when the
Control Timeout (class attribute 100) has been set to
a non-zero value.
Services
Hexadecimal Decimal
0x04 4
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
1 Get Revision UINT 2
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
3 Conditio
nal 1
Data Array of
Bits Data to be transferred
4 Get Size UINT Size of assembly data in bits
1 For instance 1, access rule for the data attribute is Get. For instance 2, it is Get/Set.
Service Code
Implemented for:
Service Name Class Instance
0x0E Yes Yes Get_Attribute_Single
0x10 Yes Yes Set_Attribute_Single