Communication instructions Chapter 9
Rockwell Automation Publication 2080-RM001D-EN-E - February 2015 181
Parameter Data type Description
ConnMsgTimeout UDINT Class3 Connection timeout (in milliseconds). The amount of time to wait for a reply for connected messages. The
connection closes when the timeout expires.
• Valid values: 800-10,000
• Set to 0 to use the default value of 3000
• A value set to less than 800 will be set to 800 (minimum)
• A value set to greater than 10,000 will be set to 10,000 (maximum)
See also CIP message timeout timers on page 183.
ConnClose BOOL Connection closing behavior:
• TRUE - Close the connection when the message completes.
• FALSE - Do not close the connection when the message completed (default).
• See also CIP/EIP message connections on page 182.
Target path for CIP messaging
The target path for CIP messaging contains parameters which determine the path
and destination of the of the CIP message.
Target path syntax
The target path string parameter uses the following syntax:
• "<local port>, <1st target’s address>, [<1st target’s local port>, <2nd
target’s address>]"
The 1st hop must be present; the 2nd hop is optional.
String element Description
Local port Local port used to send out the message. The port should be an active EtherNet/IP or CIP Serial port - USB ports are not
supported.
1st Target address Target address of the 1st hop.
• For EIP, specify the target’s IP address. The IP address should be a unicast address and should not be 0, multicast,
broadcast, local address or a loop back (127.x.x.x) address.
• For CIP Serial, specify the target’s node address. The supported value is 1.
Local port of the 1st Target Local port used to send out the message.
2nd Target address Target address of the 2nd hop.
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