Discover Modicon M171/M172/M173
Discover Modicon M171/M172/M173

The Modicon M171/M172/M173 logic controllers are part of our EcoStruxure automation architecture and are available in three ranges of controllers: • The Modicon M171/M173 optimised logic controllers for simple and compact machines are the smallest programmable controllers in the market. This controller is also available in a flush mounting version that requires minimal installation effort while providing tremendous versatility. M173 provides a high level of field connectivity. • The Modicon M172 performance logic controller for any size and BMS-connectable machines. A wide selection of I/O expansions and remote displays enables the controller to provide improved performance, connectivity, and scalability.
Benefits of Modicon M171/M172/M173
Benefits of Modicon M171/M172/M173
Flexibility
The high degree of flexibility makes it very easy to install additional modules and still keep everything in just one configuration.
Connected
Stay connected everywhere with multiple BMS connectivity options or embedded and an embedded web server.
Cybersecurity
Edge device Secure Interface ensures data protection, prohibits unauthorised access, and complies with evolving regulations: IEC 62443 standard for cybersecurity control system components.
Features
Features
Facts about Modicon M171/M172/M173
Whether you specialise in chillers, Air Handling Units for commercial buildings, residential, or industrial applications, with Modicon M171/M172/M173 logic controllers, EcoStruxure Machine is well positioned: Multiple BMS connectivity, embedded or as an option, and an embedded web server make remote control and remote access simple to implement, while a unique software environment supports the development of algorithms and functions that can be used on any platform.
Modicon M171/M172/M173 logic controllers offer a wide choice of connectivity options to support integration with a variety of BMS: A ready-to-connect device, the Modicon M172 embeds Ethernet, Modbus, and BACnet protocols as standard and LonWorks or Konnex protocols as optional. Furthermore, the integrated webserver enables solutions for remote control or cloud connectivity. It simplifies the maintenance thanks to the built-in WebVisu that is compatible with standard Web browsers.
EcoStruxure Machine Expert - HVAC 2.0 provides advanced algorithms for greater energy efficiency in Modicon M171/M172/M173-based automation. Ready-to-use TVDAs (tested, validated, and documented architectures) and AFBs- (application function block) libraries dedicated to HVAC applications are reducing the time to market.
Protect people, assets, and the environment with our Green Premium Products: Our Modicon M171/M172/M173 adheres to refrigerant compliance and RoHS guidelines.
Applications
Applications
HVAC
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How-to videos
How-to videos
How To Setup Modbus Communication on M172
EcoStruxure Machine Expert HVAC is the unique software solution to develop your applications for the HVAC segment.
How to add expansion on M172x
It's easy to configure and commission the entire machine from a single work environment.
How to get modbus TCP socket information in M172P
This video demonstrates how to monitor the Modbus TCP socket information in TM172P controllers.
How to give command to USBH of M172P through SoMachine HVAC
How to import a M171O project on EcoStruxure Machine Expert HVAC
When migrating from SoMachine HVAC to EcoStruxure™ Machine Expert HVAC a little attention is required.
How to design toggle button in M172P controller user interface
How to design alarm popup in SoMachine HVAC software
How to create new function block in SoMachine HVAC
How to create a new function block in SoMachine HVAC based on M171/M172/M173 optimised and performance controllers.
Additional resources
Additional resources







