40 Rockwell Automation Publication IOLINK-UM001A-EN-P - August 2017
Appendix B Message Structure and Configuration Examples
Figure 2 shows the Message Configuration dialog box. It shows the
information that is necessary to write to the Application Specific Name
Parameter in the 836P pressure switch. To open the Message Instruction dialog
box, click the blue square box in the Message Instruction.
Figure 2 - Message Configuration
The following table identifies the data that are required to complete the
Message Configuration dialog box to Write “Test” to the Application Specific
Name in the 836P pressure switch:
Item Description Value
1 Message Type - The message type is CIP Generic. CIP Generic
2 Service Type - The service type is Custom. Custom
3 Service Code - Established from Service Code Table. 4E
4 Class - The class is 3a3. 3a3
5 Instance - Established from Appendix A
. Identifies the Index for the
Parameter being read.
24
6 Attribute - The Attribute value is 0. 0
7 Source Element - Contains the name of the tag of the data array to be
written.
Write_Assembly[0]
8 Source Length - This item contains the number of bytes of service
data to be sent or received in message. Defined in Data Structure
Tab le s.
5 bytes
9 Destination Element - Not applicable. —
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