VLT
®
AutomationDrive EtherNet/IP
MG.90.Jx.02 ver. 5
th
September 2007 – VLT is a registered Danfoss trademark
22
Class 3 connection
Cyclic connection using UDP transport.
Maximum 6 Class 3 connections are supported.
This type of connection is used for explicit messaging. The connection is established with a Forward
Open command, containing theses information:
Connection Name:
Given name for connection
Message Parameters:
-
Service Code
-
Class
-
Instance
-
Attribute
-
Member
-
Request Data
Unconnected Messages, UCMM
Non-cyclic (single) connection using TCP transport.
This type of connection is used for explicit messaging. The connection is established on-the-fly and
does not require any Forward Open command.
Message Parameters:
-
Service Code
-
Class
-
Instance
-
Attribute
-
Member
-
Request Data
Please refer to section Appendix for information on accessing CIP objects explicitly.
