Rockwell Automation RECOMM-ENET EtherNet/IP Communications Module User Manual
Page 87

Using Explicit Messaging
7-15
Ladder Logic Rung Example
Explanation of Source and Destination Data
The data structures in figure 7.17 use 16-bit words and can set up
to twenty-two parameters in a single message. In the Response
Message, a parameter number with the high bit set indicates that
the associated pad word field contains an error code.
Figure 7.16 – Set Attributes Scattered Message Example
13
PerformSetAttributesScattered
EN
DN
ER
Type - CIP Generic
Message Control
SetAttributesScattered ...
MSG
Set Attributes
Scattered Service
Request (Source Data)
Response (Destination Data)
Word 0 Parameter Number
Word 0 Parameter Number
1 Parameter Value LSW
1 Pad Word or Error Code
2 Parameter Value MSW
2 Pad Word
3 Parameter Number
3 Parameter Number
4 Parameter Value LSW
4 Pad Word or Error Code
5 Parameter Value MSW
5 Pad Word
6 Parameter Number
6 Parameter Number
7 Parameter Value LSW
7 Pad Word or Error Code
8 Parameter Value MSW
8 Pad Word
9 Parameter Number
9 Parameter Number
10 Parameter Value LSW
10 Pad Word or Error Code
11 Parameter Value MSW
11 Pad Word
12 Parameter Number
12 Parameter Number
13 Parameter Value LSW
13 Pad Word or Error Code
14 Parameter Value MSW
14 Pad Word
15 Parameter Number
15 Parameter Number
16 Parameter Value LSW
16 Pad Word or Error Code
17 Parameter Value MSW
17 Pad Word
...
...
63 Parameter Number
63 Parameter Number
64 Parameter Value LSW
64 Pad Word
65 Parameter Value MSW
65 Pad Word
Figure 7.17 – Data Structures for Set Attributes Scattered Message