ControlLogix Digital I/O Modules

ControlLogix System Overview The ControlLogix system provides discrete, drives, motion, process, and safety control together with communication and state-of-the-art I/O in a small, cost-competitive package. The system is modular, so you can design, build, and modify it efficiently with significant savings in training and engineering. A simple ControlLogix system consists of a standalone controller and I/O modules in one chassis. For a more comprehensive system, use the following: 

• Multiple controllers in one chassis 

• Multiple controllers joined across networks 

• I/O in multiple platforms that are distributed in many locations and connected over multiple I/O links 

• Select ControlLogix products are available with a conformal coating that adds a layer of protection when exposed to harsh, corrosive environments. Products with a conformal coating have a ‘K’ suffix at the end of the catalog number. The ControlLogix controller is part of the Logix 5000™ family of controllers. 

• ControlLogix controllers can monitor and control I/O across the ControlLogix backplane, and over I/O links. ControlLogix controllers can communicate over EtherNet/IP, ControlNet, DeviceNet, DH+™, Remote I/O, and RS-232-C (DF1/DH-485 protocol) networks and many third-party process and device networks.

 • The controller can be placed into any slot of a ControlLogix chassis and multiple controllers can be installed in the same chassis. Multiple controllers in the same chassis communicate with each other over the backplane (just as controllers can communicate over networks) but operate independently. 

• To provide communication for a ControlLogix 5570 controller, install the appropriate communication interface module into the chassis. ControlLogix 5580 controllers have a built-in EtherNet/IP port.

ControlLogix® digital I/O modules are input and output modules that provide

On/Off detection and actuation. By using the producer/consumer network

model, digital I/O modules can produce information when needed while

providing additional system functions.

I/O modules in a ControlLogix system can be owned by a Logix5000™

controller. An owner-controller fulfills these functions:

• Stores configuration data for every module that it owns

• Sends I/O modules configuration data to define module behavior and

begin module operation with the control system

• Resides in a local or remote chassis in regard to the I/O module position

Each ControlLogix I/O module must continuously maintain communication

with its owner-controller to operate normally.

Typically, each module in the system has only one owner-controller. Input

modules can have more than one owner-controller. Output modules, however,

are limited to a single owner-controller.

1756-IA8D, 1756-IA16, 1756-IA16I, 1756-IA32, 1756-IB16, 1756-IB16D, 1756-IB16I, 1756-IB16IF,

1756-IB32, 1756-IC16, 1756-IG16, 1756-IH16I, 1756-IM16I, 1756-IN16, 1756-IV16, 1756-IV32, 1756-OA8, 1756-OA8D,

1756-OA8E, 1756-OA16, 1756-OA16I, 1756-OB8, 1756-OB8EI, 1756-OB8I, 1756-OB16D, 1756-OB16E, 1756-OB16I,

1756-OB16IEF, 1756-OB16IEFS, 1756-OB16IS, 1756-OB32, 1756-OC8, 1756-OG16, 1756-OH8I, 1756-ON8, 1756-OV16E,

1756-OV32E, 1756-OW16I, 1756-OX8I

ControlLogix modules mount in a ControlLogix chassis and require either a

removable terminal block (RTB) or a Bulletin 1492 wiring interface module

(IFM)(1) to connect all field-side wiring.

Before you install and use your module, you must do the following:

• Install and ground a 1756 chassis and power supply. To install these

products, refer to the publications listed in 

• Order and receive an RTB or IFM and its components for your

application.

1756-IA8D 79…132V AC 8-point diagnostic input module 

1756-IA16 74…132V AC 16-point input module

1756-IA16I 79…132V AC 16-point isolated input module 

1756-IA32 74…132V AC 32-point input module 

1756-IB16 10…31.2V DC 16-point input module 

1756-IB16D 10…30V DC diagnostic input module 

1756-IB16I 10…30V DC 16-point, isolated input module 

1756-IB16IF 10…30V DC,16-point, isolated, fast peer control input module

1756-IB32 10…31.2V DC 32-point input module 

1756-IC16 30…60V DC 16-point input module 

1756-IG16 Transitor-transitor logic (TTL) input module 

1756-IH16I 90…146V DC 16-point isolated input module 

1756-IM16I 159…265V AC 16-point isolated input module 

1756-IN16 10…30V AC 16-point input module 

1756-IV16 10…30V DC 16-point sourcing current input module 

1756-IV32 10…30V DC 32-point sourcing current input module 

1756-OA8 74…265V AC 8-point output module 

1756-OA8D 74…132V AC 8-point diagnostic output module

1756-OA8E 74…132V AC 8-point electronically-fused output module

1756-OA16 74... 265V AC 16-point output module 

1756-OA16I 74…265V AC 16-point isolated output module 

1756-OB8 10…30V DC 8-point output module 

1756-OB8EI 10…30V DC 8-point electronically-fused, isolated output module 

1756-OB8I 10…30V DC 8-point isolated output module 

1756-OB16D 19.2…30V DC 16-point diagnostic output module 

1756-OB16E 10…31.2V DC 16-point electronically-fused output module 

1756-OB16I 10…30V DC 16-point isolated output module 

1756-OB16IEF 10…30V DC,16-point, isolated, fast peer control output module 

1756-OB16IEFS 10…30V DC, 16-point, isolated, fast, scheduled per point output module 

1756-OB16IS 10…30V DC scheduled, isolated output module 

1756-OB32 10…31.2V DC 32-point output module 

1756-OC8 30…60V DC 8-point output module 

1756-OG16 Transitor-transitor logic (TTL) output module 

1756-OH81 90…146V DC 8-point isolated output module 

1756-ON8 10…30V AC 8-point output module 

1756-OV16E 10…30V DC 16-point electronically-fused, sinking current output module 

1756-OV32E 10…30V DC 32-point electronically-fused, sinking current output module

1756-OW16I 10…265V, 5-150V DC 16-point isolated contact module 

1756-OX8I 10…265V, 5-150V DC 8-point isolated contact module 

Analog Input Modules

1756-IF6CIS

1756-IF6I

1756-IF8

1756-IF8H

1756-IF8I

1756-IF8IH

1756-IF16

1756-IF16H

1756-IF16IH

EtherNet/IP Communication Modules 

EtherNet/IP (Ethernet Industrial Protocol) is an open industrial-networking standard that supports real time I/O messaging and message exchange. The EtherNet/IP network uses off-the-shelf Ethernet communication chips and physical media.

Cat. No. Description Media Communication Rate Integrated Motion on the EtherNet/IP Network Axes, max TCP/IP Connections Logix Connections

1756-EN2F EtherNet/IP bridge, fiber Fiber 100 Mbps 8 128 256 

1756-EN2TSC EtherNet/IP secure communication module Copper 10/100 Mbps — 128 256 

1756-EN2T EtherNet/IP bridge, copper Copper 10/100 Mbps 8 128 256 

1756-EN2TXT ControlLogix-XT, extended temperature EtherNet/IP bridge, copper for extreme environments Copper 10/100 Mbps 8 128 256 

1756-EN2TP EtherNet/IP bridge, copper Copper 10/100 Mbps 8 128 256 

1756-EN2TPXT ControlLogix-XT, extended temperature EtherNet/IP bridge, copper for extreme environments Copper 10/100 Mbps 8 128 256 

1756-EN2TR EtherNet/IP bridge, embedded switch, copper Dual copper 10/100 Mbps 8 128 256 

1756-EN2TRXT ControlLogix-XT, extended temperature EtherNet/IP bridge, embedded switch, copper Dual copper 10/100 Mbps 8 128 256 

1756-EN3TR EtherNet/IP bridge, embedded switch, copper Dual copper 10/100 Mbps 128 128 256

HART Smart Instrumentation 

HART (Highway Addressable Remote Transducer) is an open protocol that is designed to connect analog devices. For HART connectivity, select products available from Rockwell Automation and our Encompass™ partners in the Rockwell Automation® PartnerNetwork™ program

1756-IF8H 1756-IF16H 1756-OF8H Allen-Bradley® analog I/O modules

1756-IF8IH 1756-OF8IH 1756-IF16IH Allen-Bradley isolated analog I/O modules

ControlLogix 5580 and ControlLogix 5570 Redundant Controllers 

ControlLogix 5580 and ControlLogix 5570 controllers support controller redundancy. In a redundant controller system, you need these components: 

• Two 1756 chassis, each with the same of the following: 

- Number of slots

 - Modules in the same slots 

- Redundancy firmware revisions in each module 

- Approved module firmware revisions for use within ControlLogix Redundancy systems. 

• One 1756-RM2 or 1756-RM2XT module per chassis that supports the following: 

- One or two ControlLogix controllers of the same family. ControlLogix 5580 controllers support redundancy with the Studio 5000 Logix Designer application, version 33 or later. 

- For ControlLogix 5580 controllers, as many as seven EtherNet/IP communication modules. 

- For ControlLogix 5570 controllers, as many as seven ControlNet or EtherNet/IP communication modules in any combination. 

• One or two 1756-RMCx cables

ControlLogix 5580 Controllers AND ControlLogix 5570 Controllers

1756-L81E, 1756-L81EK, 1756-L81E-NSE, 1756-L81EXT, 1756-L81EP: 3 MB 1756-L71: 2 MB 1756-L82E, 1756-L82EK, 1756-L82E-NSE, 1756-L82EXT: 5 MB 1756-L72: 4 MB 1756-L83E, 1756-L83EK, 1756-L83E-NSE, 1756-L83EXT, 1756-L83EP: 10 MB 1756-L73, 1756-L73XT: 8 MB 1756-L84E, 1756-L84EK, 1756-L84E-NSE, 1756-L84EXT: 20 MB 1756-L74: 16 MB 1756-L85E, 1756-L85EK, 1756-L85E-NSE, 1756-L85EXT, 1756-L85EP: 40 MB 1756-L75: 32 MB