ControlLogix Modules

Our Bulletin 1756 ControlLogix® chassis-based modules provide a full range of digital, diagnostic digital, analog, motion control, specialty I/O, and compute modules to meet your application needs. You can use any of the chassis-based modules in the local chassis of a ControlLogix controller or in a chassis linked to a ControlLogix controller across ControlNet™ or EtherNet/IP™ networks.

Popular Resources/Quicklinks
ControlLogix Compute Module Product Profile ControlLogix HART I/O Modules Product Profile ControlLogix Isolated Analog I/O Product Profile


  • Mounts in a ControlLogix® chassis
  • Requires either a removable terminal block (RTB) or a Bulletin 1492 wiring interface module (IFM) to connect all field-side wiring
  • Includes inherent time-stamping capabilities for sequence of events (SOE) applications
  • Offers EtherNet/IP communication, including CIP Security and redundancy capability
  • Offers comprehensive I/O diagnostics for detection of both system and field-side failures
  • Provides removal and insertion under power (RIUP) for ease of maintenance
  • Offers electronic keying to help prevent replacement errors
  • Includes I/O wizards in the Studio 5000 Logix Designer® application to enable quick and easy module configuration

1756 ControlLogix CIP Safety I/0 Modules

  • Supports Compact GuardLogix® 5380 or GuardLogix 5580 controllers
  • Offers functional safety rated up to and including SIL3 and PLe
  • Supports CIP safety bridging and routing functionality
  • Use as local I/O or distributed I/O with 5580 GuardLogix controller
  • Provides enhanced reaction time
  • Uses the Logix Designer application version 32
  • Offers digital input modules: IB16S – 16 channels (each SIL 3 rated)
  • Offers digital output modules: OBV8S – 8 channels (each SIL 3 rated)
  • Includes compliance markings: TÜV, UL, IECEx, ATEX, CE, Marine, FM

ControlLogix Digital I/O Modules

  • Offers a variety of voltages
  • Provides 8 to 32 points per module
  • Offers isolated and non-isolated module types
  • Includes point-level output fault states
  • Offers direct-connect or rack-optimized communication
  • Offers field-side diagnostics on select modules

1756 ControlLogix Analog I/O Modules

  • Includes input, output, and combination modules
  • Provides thermocouple and RTD modules
  • Includes on-board data alarming
  • Offers scaling to engineering units
  • Provides real-time channel sampling
  • Offers electronic module keying, and is software configurable
  • Includes mechanical RTB keying, user-defined
  • Offers per channel configuration for voltage, current or 2-wire transmitter current sourcing
  • Offers Per channel configuration for either RTD or Thermocouple
  • As of March 31, 2017, the ControlLogix 1756 Isolated Analog I/O 6-channel modules will be discontinued and no longer available for sale. Customers are encouraged to migrate to the 1756 Isolated Analog I/O 8-channel modules using the Migrating 6-channel to 8-channel 1756 Analog Modules Migration Guide

1756 ControlLogix Specialty I/O Modules

  • Includes configurable flow meter modules
  • Provides high-speed counter modules
  • Offers programmable limit switch modules

1756 ControlLogix Removable Terminal Blocks (RTBs)

  • Provides a flexible interconnection between plant wiring and I/O modules
  • Includes screw-clamp or spring-clamp terminations
  • Not shipped with I/O modules; you must order separately

1756 HART Analog Isolated I/O Modules

  • Includes channel-to-channel isolation
  • Offers HART modem per channel for faster HART data update
  • Offers basic field device configuration via the Add-on Profile
  • Helps eliminate the need for field isolating barriers when using isolated modules
  • Offers 8- or 16-channel density modules

1756 Enhanced Analog I/O Modules

  • Offers increased accuracy, repeatability, stability, and precision
  • Includes isolated 8-channel and non-isolated 12- and 16-channel modules with stability over the entire temperature operating range
  • Does not require field calibration
  • Offers advanced precision using 24-bit design
  • Includes per channel status and fault LED annunciation
  • Offers SIL 1, systematic capability 2, type certified for use in a ControlLogix SIL 2 architecture
  • Offers an emulation mode that helps enable customers to migrate from 6-channel applications

1756 Communications Modules

  • Implements network-based access control for users, devices, and networks in the 1756 chassis
  • Offers redundancy capabilities
  • Offers security modules to encrypt important information shared between controllers and servers to prevent tampering

1756 Compute Module

  • Provides high-speed access to the ControlLogix controller over the backplane
  • Integrated DisplayPort™ for direct connection to a high-definition 5100 industrial monitor
  • Provides computing capability in a ControlLogix chassis
Additional Information
  • ControlLogix Starter KitThe ControlLogix Starter Kit is a discounted bundle of hardware and software that provides everything you need. Get started by choosing components to build a kit that is right for your environment.
  • Our Integrated Architecture Solutions provide the foundation to drive plantwide optimization efficiently and effectively, enabling you to respond competitively to the economy and changes in consumer demand.
  • Our PartnerNetwork™ offers complementary product solutions for 1756 ControlLogix I/O modules and 1756 ControlLogix Add On Profiles through the Encompass Product Reference program. You can sort and filter products from best-in-industry suppliers in your region to connect to the Rockwell Automation® architecture, or to use with our products.

Product Selection


  • ATEX
  • C-Tick
  • CE Marked
  • CSA Certified
  • cULus Marked
  • FM Approved
  • TÜV
Looking for Additional Information?

To find additional product information including CAD drawing files, 3D models and more use our Product Catalog.



Resource Publication Number Language
ControlLogix Compute Module Product Profile 1756-PP028
ControlLogix HART I/O Modules Product Profile 1756-PP016
ControlLogix Isolated Analog I/O Product Profile 1756-PP020
ControlLogix Peer-to-Peer I/O Product Profile 1756-PP018
Conformal Coating Product Profile IA-PP001
ControlLogix System Selection Guide 1756-SG001
ControlLogix Starter Kit 1756-SP401
Migrating 6-channel to 8-channel 1756 Analog Modules Migration Guide 1756-RM011
ControlLogix I/O Modules Technical Data 1756-TD002
ControlLogix Digital I/O Modules User Manual 1756-UM058
ControlLogix Analog I/O Modules User Manual 1756-UM009
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