Chapter 9 Communication instructions
174 Rockwell Automation Publication 2080-RM001D-EN-E - February 2015
MSG_CIPGENERIC sends a common industrial protocol (CIP) explicit message
over an Ethernet channel or a serial port.
MSG_CIPGENERIC operation
A maximum of four message requests per channel can be processed in one scan.
For Ladder Diagram programs, message requests are executed at the end of a
ladder scan.
Arguments
When the MSG_CIPGENERIC function block is enabled, the receive buffers for
Read operations are cleared on the rising edge of Enable.
Parameter Parameter type Data type Description
IN Input BOOL If Rising Edge (IN turns from FALSE to TRUE), start the function block with the
precondition that the last operation has been completed.
CtrlCfg Input CIPCONTROLCFG Function block execution control configuration
See CIPCONTROLCFG data type on page 177.
AppCfg Input CIPAPPCFG CIP service and application path (EPATH) configuration
See CIPAPPCFG data type on page 176.
TargetCfg Input CIPTARGETCFG Target device configuration
See CIPTARGETCFG data type on page 180.
ReqData Input USINT[1..1] CIP message request data. The array size should not be less than the
‘ReqLength’ size
See MSG_CIPGENERIC message behavior.
ReqLength Input UINT CIP message request data length:
• 0 - 490
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