Allen-Bradley 22-COMM-E FRN 1.xxx, User Manual

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C-4 EtherNet/IP Objects
Class Code
Instances
Class Attributes
Instance Attributes
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.
Assembly Object
Hexadecimal Decimal
0x04 4
Instance Description
1 All I/O data being read from the DSI drives (read-only)
2 All I/O data written to the DSI drives (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 Conditional
(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