TellusTellus LLC

2008 N. Second St.

Milwaukee, Wisconsin 53212
Phone: 262-853-2151



  • USA

Applications Experience

  • Industrial Automation
  • Remote Monitoring
  • Data Acquisition
  • M2M/IIoT
  • Custom software with C, C++, Python, QT, Visual Studio, SQL
  • Service and support with the ability to troubleshoot and repair Opto 22 based systems for issues related to hardware, software, networking and installation.
  • Customized training in all Opto 22 hardware and software as well as related software like databases, MQTT, Node-RED, SCADA packages and more.  Training can be arranged on short notice and is available on-site, off-site, 3rd party location or virtual.

Partner Overview

Tellus LLC specializes in the software, training, service, support and sales of Opto 22 products.
With expertise in all the software and hardware products from Opto 22,  the goal is to provide what you need when you need it - at our location or yours.

We are here to help with customized training, emergency service, project rescue, software, proof-of-concept, databases and more. Tellus is a small company with two full-time and three part-time engineers.  Our staff has vast experience with Opto 22.  The company is lean, managed by the engineers and available for very small to medium-sized projects.  Business will be conducted on time and on a material basis or fixed price.


  • Training – On-site, off-site , or customized on any Opto 22 hardware or software as well as supporting software and operating systems. Database, MQTT, Node-RED, SCADA packages, custom code.  Training can be arranged on short notice and is available on-site, off-site, 3rd party location or virtual.
  • Software – Control or HMI, database, Cloud and IoT services, custom programming, embedded programming.  PAC Control, PAC Display, Node-RED, CODESYS, Python, QT, C, C++, Visual Basic, SQL.
  • Project Rescue – Successful completion of projects that are incomplete, abandoned or idle because of broken relationships or loss of staff.
  • Service – Quick response to on-site problems related to hardware, software, networking or installation.
  • Proof-of-Concept - Quickly stage the essential aspects of a system. POC work can be done on or off-site, using your hardware or ours, or a mix of both.

Product Experience - Hardware

  • groov EPIC
  • groov RIO
  • groov Edge Appliance
  • Mistic
  • Optomux
  • Custom hardware
  • M2M (Machine-to-Machine)

Product Experience - Software

  • groov Server for Windows
  • Ignition Edge
  • IoT Platform
  • Linux SSH
  • Node-RED
  • PAC Project
  • Factory  Floor
  • Custom Software
  • 3rd Party Integration
  • Database/Enterprise


  • Agriculture
  • Buildings & Facilities
  • Cement
  • Chemical
  • Energy Management
  • Food & Beverage
  • HVAC
  • Instrumentation
  • Machine-to Machine (M2M)
  • Material Handling
  • Metals
  • Other Process Control Markets
  • Pulp/Paper
  • Refrigeration & Cooling
  • Remote Monitoring
  • Robotics
  • Rubber/Plastics
  • Security
  • Water/Wastewater