Micro800 Expansion I/O Modules

Our Bulletin 2085 Micro800™ Expansion I/O modules extend the capabilities of the Micro850® and Micro870® controllers by maximizing flexibility of the I/O count and type. The I/O module snaps firmly to the right side of Micro850 and Micro870 controllers, supporting both DIN rail and panel mount.

Popular Resources/Quicklinks
Micro800 Family of PLCs Brochure Micro870 Programmable Logic Controller Product Profile Micro850 Programmable Logic Controller Product Profile


  • Provides additional analog I/O, digital I/O and specialty capabilities
  • Offers removable terminal blocks for ease of installation, maintenance and wiring

2085 Analog Expansion I/O Modules

  • Analog input and output modules available: 4-channel, 8-channel, isolated
  • High resolution
  • High accuracy

2085 Digital Expansion I/O Modules

  • Variety of DC and AC discrete modules available to suit different applications
  • Solid-state output modules available for applications that require more than relays
  • High-density discrete I/O module available to reduce space consumption

2085 Specialty Expansion I/O Modules

  • Resistance temperature detector (RTD) available (4-channel, isolated)
  • Thermocouple (TC) modules available: 4-channel, isolated
  • High accuracy

2085 Bus Terminator Expansion I/O Modules

  • End cap terminator

Additional Information

Product Selection


  • C-Tick
  • CE Marked
  • cULus Marked
  • Hazardous Environment Class 1 Division 2
  • KC
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
Micro800 Family of PLCs Brochure 2080-BR001
Micro870 Programmable Logic Controller Product Profile 2080-PP006
Micro850 Programmable Logic Controller Product Profile 2080-PP003
Micro800 Programmable Controllers Family Selection Guide 2080-SG001
Micro800 16-point and 32-point Input Modules Installation Instructions 2085-IN001
Micro800 Bus Terminator Module Installation Instructions 2085-IN002
Micro800 16-pt Output Modules Installation Instructions 2085-IN003
Micro800 8-Point and 16-Point AC/DC Relay Output Modules Installation Instructions 2085-IN004
Micro800 8-Point AC I/O Modules Installation Instructions 2085-IN005
Micro800 Analog I/O Modules Installation Instructions 2085-IN006
Micro800 Thermocouple/RTD Input Module Installation Instructions 2085-IN007