Specify the requested packet interval (rpi), Chapter summary and what’s next – Rockwell Automation 1732E-IB16M12SOEDR EtherNet/IP ArmorBlock supporting Sequence of Events User Manual
Page 11
Publication 1732E-UM002A-EN-P - March 2010
About 1732E ArmorBlock Modules 3
Specify the Requested
Packet Interval (RPI)
The Requested Packet Interval (RPI) is the update rate specified for a
particular piece of data on the network. This value specifies how often to
produce the data for that device. For example, if you specify an RPI of 50 ms,
it means that every 50 ms the device sends its data to the controller or the
controller sends its data to the device.
RPIs are only used for devices that exchange data. For example, a
ControlLogix EtherNet/IP bridge module in the same chassis as the controller
does not require an RPI because it is not a data-producing member of the
system; it is used only as a bridge to remote modules.
Chapter Summary and
What’s Next
In this chapter you were given an overview of the 1732E ArmorBlock family
of modules. The next chapter is an overview of the 1732E EtherNet/IP
ArmorBlock Supporting Sequence of Events module.
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