The ControlLogix controller provides a scalable PLC that is that has the ability to address many I/O points.

The Controllogix can be put into any ControlLogix I/O chassis slot and numbers modules can be used in the same chassis. Many controllers in the same chassis can talk with each other over the backplane, but work independently.

I/O can be monitored and controlled with ControlLogix controllers across the backplane, as well as over I/O links. ControlLogix controllers can talk over ControlNet, EtherNet/IP, DeviceNet, DH+, Universal Remote I/O, and RS-232-C (DF1/DH-485 protocol) networks.

The available controllers include: ControlLogix, GuardLogix, and ControlLogix -XT used in extreme environment.


The 1756-EN2T ControlLogix EtherNet/IP bridge module operates similarly as the 1756-ENBT but with twice the capacity for strenuous applications. The 1756-EN2T supports:

  • Control of I/O.
  • Communication via produced/consumed tags and MSG instructions.
  • HMI communication.
  • Programming and setup, which includes uploading and downloading.
  • An adapter for 1756 I/O modules.
  • USB serial communication, that allow a computer to access and program a Logix5000 controller.
  • A web server to give information about diagnostic and status.
  • Switches for fast IP address setup.

Technical Specifications

  • EtherNet/IP communication rate: 10/100 Mbps
  • Logix communication connections: 256
  • TCP/IP communication connections: 128
  • Current draw @ 5.1V DC: 1A
  • Power dissipation: 5.1, W 17.4 BTU/Hr
  • Thermal dissipation: 17.4 BTU/hr
  • Isolation voltage: 30V (continuous), Basic Insulation Type, Ethernet to Backplane,
  • USB to Backplane, and USB to Ethernet(1)
  • Slot width: 1
  • Module location: Chassis-based, any slot
  • Chassis: 1756-A4LXT, 1756-A5XT, 1756-A7XT, 1756-A7LXT
  • Power supply, standard: 1756-PAXT, 1756-PBXT
  • Power supply, redundant: None
  • Ethernet port: 2 Ethernet RJ45 Category 5
  • Ethernet cable: 802.3 compliant shielded or unshielded twisted pair
  • USB port(2): USB 1.1, full speed (12 Mbps)
  • Wiring category: 2 – on Ethernet ports & 3 – on USB ports
  • North American temperature code: T4A
  • IEC temperature code: T4
  • Enclosure type rating: None (open-style)
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