CompactLogix System

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Communication Modules

CompactLogix Communication Modules Overview

You can configure your system for information exchange between a range of devices and computing platforms and operating systems. Select a CompactLogix controller with integrated communication or the appropriate communication device for the networks that meet your needs.

Networks

If your application requires	Use this network	1769-L23x controller	1769-L3x controller	1768-L4x and -L4xS controllers
• Plant management • Configuration, data collection, and control on a single, high-speed network • Time-critical applications with no established schedule • Data sent regularly • Internet/Intranet connection	EtherNet/IP network	• 1769-L23E-QB1B controller • 1769-L23E-QBFC1B controller	• 1769-L32E controller • 1769-L35E controller	• 1768-ENBT scanner • 1768-EWEB interface
• Deterministic and repeatable data delivery • Redundant media • Intrinsic safety • Internet/Intranet connection	ControlNet network	Not available	• 1769-L32C controller (nonredundant media) • 1769-L35CR controller (redundant media)	• 1768-CNB scanner (nonredundant media) • 1768-CNBR scanner (redundant media)
• Connections of low-level devices directly to plant floor controllers, without interfacing them through I/O modules • Data sent as needed • More diagnostics for improved data collection and fault detection • Less wiring and reduced start-up time than a traditional, hard-wired system	DeviceNet network	• 1769-SDN scanner • 1769-ADN adapter
• Modems • Supervisory control and data AC quisition (SCADA) • Manipulate ASCII data	Serial network	• Built-in serial port on the controller • 1769-ASCII module
• Connections to existing DH-485 networks	DH-485 network	Built-in serial port with a 1761-NET-AIC