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Bulletin 1746 SLC I/O Chassis-Based


Bulletin 1746 SLC™ I/O provides a full range of digital, analog, and specialty I/O for a wide variety of applications. You can use the I/O modules in a local I/O chassis of an SLC 500 controller. Or, use an I/O communication adapter module to place I/O in a chassis at a location remote from the controller.

  • Overview
  • Documentation
  • Resources


  • Installs in an SLC™ 500 chassis
  • Connect up to three chassis with 30 I/O modules to a single controller or communication adapter
  • Optical coupling and filter circuitry provides signal noise reduction
  • Some modules include color-coded, removable terminal blocks


1746 SLC Digital I/O Modules

  • Up to 32 points per module
  • AC and DC input modules
  • AC, DC, and relay-contact output modules
  • Combination modules available

1746 SLC Analog I/O Modules

  • Wide range of analog signal levels
  • Standard analog inputs and outputs
  • Direct thermocouple and RTD temperature inputs
  • Excellent accuracy
  • High resolution
  • Choice of input filtering for fast response or high noise immunity

1746 SLC Specialty I/O Modules

  • High-speed counters
  • Process control modules
  • Motion and positioning modules

1746 SLC Communication Interfaces

  • Install a communication adapter module in an SLC chassis with I/O to locate it remote from the controller
  • ControlNet™ and Universal Remote I/O communication adapter modules available


  • UL, C-UL, CE, C-Tick

Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details.

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SLC-Based Stepper Module Technical Data1746-TD039
SLC 500 Analog I/O Modules Installation Instructions1746-IN006
SLC 500 Digital I/O Module Installation Instructions1746-IN027
SLC 500 Analog I/O Modules User Manual1746-UM005
SLC 500 Servo Control Module User Manual1746-UM613
SLC 500 Stepper Controller Module User Manual1746-UM121
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