Okokok

Technical Data

1756 ControlLogix Communication Modules Specifications
Standard ControlLogix Catalog Numbers 1756-EN2F, 1756-EN2T, 1756-EN2TR, 1756-EN3TR, 1756-ENBT, 1756-EWEB, 1756-CN2, 1756-CN2R, 1756-CNB, 1756-CNBR, 1756-DNB, 1756-DHRIO, 1756-RIO, 1756-DH485, 1756-SYNCH, 1756-EN2TXT, 1756-CN2RXT, 1756-DHRIOXT, 1757-FFLD2, 1757-FFLD4, 1757-FFLDC2, 1757-FFLDC4 ControlLogix-XT Catalog Numbers1756-EN2TXT, 1756-CN2RXT, 1756-DHRIOXT Linking Device Catalog Numbers 1757-FFLD2, 1757-FFLD4, 1757-FFLDC2, 1757-FFLDC4
Topic Additional Resources Available Communication Modules EtherNet/IP Network Stratix Switches ControlNet Network DeviceNet Network DH+ and Remote I/O Networks FOUNDATION Fieldbus Network DH-485 Network SynchLink Communication Page 2 2 3 9 10 17 20 25 28 31

Separatecommunication-interface modules are available for different networks. Install multiple communication-interface modules into the ControlLogix® backplane to configure a gateway to bridge or route control and information data between different networks. You do not need a ControlLogix controller in the chassis.

1756 ControlLogix Communication Modules Specifications

Additional Resources
These documentscontain additional information concerning related products from Rockwell Automation®.
Resource Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1. Product Certifications website, http://www.ab.com Description Provides general guidelines for installing a Rockwell Automation industrial system. Provides declarations of conformity, certificates, and other certificationdetails.

You can view or download publications at http://www.rockwellautomation.com/literature/. To order paper copies of technical documentation, contact your local Allen-Bradley® distributor or Rockwell Automation sales representative.

Available Communication Modules
Network EtherNet/IP Cat. No. 1756-EN2F 1756-EN2T 1756-EN2TR 1756-EN3TR 1756-ENBT 1756-EWEB 1756-EN2TXT ControlNet 1756-CN2/B,1756-CN2R/B 1756-CNB, 1756-CNBR 1756-CN2RXT DeviceNet Data Highway Plus™ 1756-DNB/E 1756-DHRIO 1756-DHRIOXT Remote I/O 1756-DHRIO 1756-RIO/B 1756-DHRIOXT Foundation Fieldbus 1757FFLD2, 1757-FFLD4 1757-FFLDC2, 1757-FFLDC4 Serial SynchLink™ 1756-DH485 1756-SYNCH Description EtherNet/IP bridge, fiber, 256 Logix connections EtherNet/IP bridge, copper, 256 Logix connections EtherNet/IP bridge, embeddedswitch, copper Supports as many as 8 axis of motion EtherNet/IP bridge, embedded switch, copper Supports as many as 128 axis of motion EtherNet/IP bridge, copper, 128 Logix connections Ethernet web server, 128 Logix connections, Class 3 messaging only ControlLogix-XT™, EtherNet/IP bridge, copper, 256 Logix connections ControlNet bridge, 128 Logix connections(1) ControlNet bridge, 64 connections;recommend using only 40…48 Logix connections for I/O ControlLogix-XT, ControlNet bridge, 128 Logix connections(1) DeviceNet bridge Data Highway Plus/Remote I/O module ControlLogix-XT, Data Highway Plus/Remote I/O module Data Highway Plus/Remote I/O module Remote I/O module ControlLogix-XT, Data Highway Plus/Remote I/O module Foundation Fieldbus linking device bridges from an Ethernet network toeither two or four H1 ports Foundation Fieldbus linking device bridges from a ControlNet network to either two or four H1 ports Compatible with RS-232 serial communication, supports the DF1 protocol, send and receive messages, does not support remote programming and monitoring SynchLink fiber-optic communication link Page 4 4 4 4 4 4 6 11 11 11 17 21 23 21 21 23 25 25 28 31

(1) 128 connections areavailable for standard use. An additional three connections are reserved for redundant control.

2

Rockwell Automation Publication 1756-TD003D-EN-E - January 2012

1756 ControlLogix Communication Modules Specifications

Communication Connections
A ControlLogix system uses connections to establish communication links between devices. The types of connections include the following: •...