Rockwell-automation 1768-EWEB EtherNet/IP Web Server Module User Manua Manuale Utente Scaricare il pdf (Pagina 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.

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Rockwell-automation 1768-EWEB EtherNet/IP Web Server Module User Manua Manuale Utente Pagina 144