Rockwell Automation 1756-ENET/B ControlLogix Ethernet Communication Interface Module User Manual - Manual (Page 19)

1 Publication 1756-UM051B-EN-P - November 2000
Chapter
1
About the 1756-ENET/B Module
What This Chapter Contains This chapter provides an overview of the ControlLogix 1756-ENET/B
module, its primary features, what it does, and how to use it. You will
need to understand the concepts discussed in this chapter in order to
configure your Ethernet module and use it in a control system. The
following table lists where to find specific information in this chapter.
.
Module Features The 1756-ENET/B module’s features include:
•
use Ethernet/IP messages encapsulated within standard
TCP/UDP/IP protocol
•
common application layer with ControlNet and DeviceNet
•
interfacing via AUI and 10 Base-T media
•
removal or insertion under power
•
number of modules per chassis limited only by chassis size
•
communication to and from other ControlLogix modules in the
same chassis
•
communication supported by RSLinx software
•
configurable via RSLinx or standard BootP tools
•
no network scheduling required
•
no routing tables required
For information about See page
Module Features 1-1
What the Module Does 1-2
Hardware/Software Compatibility 1-2
Support of Rack Optimized and Direct Connections 1-2
Mixing Rack Optimized and Direct Connections 1-3
Use of the Control and Information Protocol (CIP) 1-4
Understanding the Producer/Consumer Model 1-4
Specifying the Requested Packet Interval (RPI) 1-5