Rockwell Automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Communication Adapter User Manual - Manual (Page 184)

184 Rockwell Automation Publication 20COMM-UM015B-EN-P - July 2013
Appendix C EtherNet/IP Objects
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.
Register Object Class Code
Services
Instances
Attribute ID Access Rule Name Data Type Description
1 Get Number of
Members WORD 1
2 Get Member List ARRAY of STRUCT:
WORD
WORD
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 WORD Size of assembly data in bits
Hexadecimal Decimal
0x07 7
Service Code Implemented for: Service Name
Class Instance
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)
3 Logic Status and Feedback data (read-only)
4 Logic Command and Reference data (read/write)
5 Datalink A (input data from device to scanner) (read only)
6 Datalink A (output data from scanner to device) (read/write)
7 Datalink B (input data from device to scanner) (read only)
8 Datalink B (output data from scanner to device) (read/write)
9 Datalink C (input data from device to scanner) (read only)
10 Datalink C (output data from scanner to device) (read/write)
11 Datalink D (input data from device to scanner) (read only)
12 Datalink D (output data from scanner to device) (read/write)
13 Logic Status and Feedback Data (read-only)
14 Mask (1) (read/write)
(1) The mask command word is set to the value of the first word of the data where there are ones in the second word of the data.
Command = (word 1 and not word 2) or (word 1 and word 2). This only controls specified bits in the Logic Command data to the DPI
product and does not change the Reference value.
15 Logic Status (read-only)
16 Logic Command (read/write)
17 Feedback (read-only)
18 Reference (read/write)