Modbus Networking Guide
Development website
  • Initial page
  • Introduction
  • Modbus over RS-485 and RS-232
  • Modbus on Plug & Sense!
  • Applications
  • Master library functions
  • Slave library functions
  • Real applications
  • Code examples and extended information
  • API changelog
  • Documentation changelog
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Modbus on Plug & Sense!

PreviousModbus over RS-485 and RS-232NextApplications

Last updated 4 years ago

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The Modbus protocol is available for Plug & Sense! as a secondary communication module, through the RS-232 or the RS-485 modules. This is an optional feature. The Modbus module is placed on socket 0 by default, being accessible through an additional and dedicated socket on the antenna side of the enclosure. On the other hand, the main radio interface of the Plug & Sense! device is placed on socket 1.

The user can choose between 2 probes to connect the Modbus protocol: A standard DB9 connector and a waterproof terminal block junction box. These options make the connections on industrial environments or outdoor applications easier.

The Modbus signals are wired according to the hardware used inside Plug & Sense! (RS-232 or RS-485 modules). Please refer to the corresponding guide on the for further information.

Development section
Figure: Industrial Protocols available on Plug & Sense!
Figure: DB9 probe connected to Plug & Sense!
Figure: Terminal box probe connected to Plug & Sense!