Rockwell Automation 1768-EWEB EtherNet/IP Web Server Module User Manual - Manual (Page 144)

Publication ENET-UM527E-EN-P - October 2006
144 Socket Interface
MSG Source Element
Create a user-defined data type .
where:
You can use a single string tag for the combination of AddrLen and
DestAddr (since the string data type is a DINT followed by the string
characters). Note that the quotes displayed on the RSLogix 5000 Data
Monitor are not counted in the string length.
The MSG instruction that issues the OpenConnection service should
have a Source Length of 8 (Timeout + AddrLen) plus the number of
characters in the destination address.
MSG Source Length
Specify 8 bytes (Timeout + AddrLen) + number of characters in the
destination address
Element Element Description
Timeout DINT Specify the timeout in milliseconds
DestAddr STRING Specify an array of characters (maximum of 64) to define the destination
of the connection. Specify either of these:
• Hostname?port=xxx
• IPAddr?port=xxx
For example, to specify an IP address, enter 10.88.81.10?port=2813
.LEN DINT The length of the destination address.
.DATA SINT array The array containing the destination address.