Ethernet/ip module serving as a scanner – Rockwell Automation Ethernet Design Considerations Reference Manual User Manual

Page 93

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Rockwell Automation Publication ENET-RM002C-EN-P - May 2013

93

Predict System Performance

Chapter 5

EtherNet/IP Module Serving as a Scanner

EtherNet/IP module 1 functions as a scanner.

EtherNet/IP module 1, in the chassis with the main controller, must perform
these tasks:

Communicate with five remote I/O chassis. The EtherNet/IP module
connects to the I/O modules in each chassis this way:

One rack-optimized connection to digital I/O modules at an
RPI = 20 ms

Three direct connections to three analog I/O modules at an
RPI = 50 ms

Communicate with the PanelView Plus terminal via direct connections at
an RPI = 100 ms

Communicate with the two other controllers with a produced tag at an
RPI = 20 ms

Perform explicit messaging

1756-EN2T Module 1

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