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ControlLogix Communications

The ControlLogix® Communication Modules support EtherNet/IP™,  slcpowersupplyControlNet™, DeviceNet™, Data Highway Plus™, Remote I/O, Foundation Fieldbus, serial, DH-485 and SynchLink™ networks. Interface using ControlLogix communication modules via a ControlLogix gateway (without a controller in the gateway chassis), or interface directly to a ControlLogix controller. ControlLogix extreme environment communication modules are available for EtherNet/IP, ControlNet, Data Highway Plus and Remote I/O networks.

 
  • Overview
  • Documentation

Features

  • Multiple communication modules in a single ControlLogix® backplane can bridge or route data between different networks
  • Lets you route a message through a maximum of four chassis (eight communication hops)
  • Does not require a ControlLogix controller in the chassis

Products

1756 EtherNet/IP™ Communication Interfaces:

  • 128 Logix connections (1756-ENBT and 1756-EWEB) or 256 Logix connections (all other modules)
  • Embedded switch technology (1756-EN2TR and 1756-EN3TR)
  • Extreme environment support via ControlLogix-XT™ communication module (1756-EN2TXT)

1756 DeviceNet™ Communication Interfaces

  • Supports 64 nodes

1756 ControlNet™ Communication Interfaces

  • 64 Logix connections (1756-CNB and 1756-CNBR) or 128 Logix connections (all other modules)
  • Supports 99 nodes
  • Supports redundant media (1756-CN2R, 1756-CNBR and 1756-CN2RXT)
  • Extreme environment support via ControlLogix-XT communication module (1756-CN2RXT)

1756 Data Highway Plus™ and Remote I/O Communication Interfaces

  • 32 Logix connections (1756-DHRIO and 1756-DHRIOXT)
  • Data Highway Plus and Remote I/O module (1756-DHRIO) supports messaging between devices on DH+™ network
  • Remote I/O module (1756-RIO) acts as scanner or adapter on a remote I/O network
  • Extreme environment support via ControlLogix-XT communication module (1756-DHRIOXT)

1757 FOUNDATION Fieldbus Linking Devices

  • Bridges from either an Ethernet network or a ControlNet network
  • 16 devices per H1 link (8...10 devices recommended)
  • 32 devices (1757-FFLD2 and 1757-FFLDC2) or 64 devices (1757-FFLD4 and 1757-FFLDC4) per linking device

1756 DH-485 Communication Interfaces

  • Function through the serial port on the ControLogix controller
  • Remote programming and monitoring via RSLogix™ 5000 programming software

1756 SynchLink™ Communication Interfaces

  • Time-synchronization and data broadcasting for distributed motion and coordinated drive control
  • Moves a limited amount of data from one chassis to another at high speed
  • Lets one controller consume motion axes data from a controller in another chassis

Certifications

  • All Modules: c-UL-us, CE, CSA, C-Tick, FM, ATEX, TÜV
  • EtherNet/IP Modules: ODVA-EtherNet/IP
  • DeviceNet Modules: ODVA
  • ControlNet Modules: CI
  • FOUNDATION Fieldbus Modules: FF
 

Frequently Viewed Publications

TitleNumberLanguage
Integrated Architecture Brochure IA-BR005
ControlLogix Selection Guide 1756-SG001
NetLinx Selection Guide NETS-SG001
ControlLogix Communication Modules Specifications Technical Data 1756-TD003
EtherNet/IP Modules in Logix5000 Control Systems User Manual ENET-UM001
ControlNet Modules in Logix5000 Control Systems User Manual CNET-UM001
DeviceNet Modules in Logix5000 Control Systems User Manual DNET-UM004
ControlLogix System User Manual 1756-UM001
EtherNet/IP Embedded Switch Technology Application Guide ENET-AP005