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Modbus RTU and TCP

Modbus. Connecting I/O Devices to TRACE MODE SCADA/HMI Using MODBUS Protocol

Connecting I/O Devices to TRACE MODE SCADA/HMI Using MODBUS Protocol

TRACE MODE SCADA/HMI logoTRACE MODE 6 SCADA/HMI software has free built-in drivers for popular  Modbus RTU and Modbus TCP protocols, which make it possible connecting a lot of industrial PLC and IO devices of different kind, using the following interfaces:

  • Ethernet;
  • RS 232/485;
  • modem;
  • GSM-modem.

The IO drivers are available free for both professional and basic versions of TRACE MODE 6. The free drivers support standard Modbus protocols, as required by, and at the same time they support several Modbus extensions and some popular Modbus-like protocols. Note, there are many PLC claimed by manufacturers to be Modbus compliant, but which are not in fact fully compliant to the requirements of The Modbus Organization. In case if you fail to connect TRACE MODE to a Modbus device, ask your questions at the TRACE MODE forum It's very likely that an additional driver has to be developped.

We offer you several training videos, covering PLC connectivity to TRACE MODE SCADA/HMI using Модбас RTU and TCP protocols.

  • Connecting I/O Devices to TRACE MODE SCADA/HMI Via Serial Port RS 232/485 Using MODBUS Protocol (a video tutorial).

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Group Data Exchange Via MODBUS

This video tutorial on Modbus IO shows connectivity with group data request in TRACE MODE SCADA/HMI.



scadaOther video lessons for mastering TRACE MODE SCADA/HMI are available on , as well as on the TRACE MODE channel on YouTube. Subscribe to the TRACE MODE channel on YouTube!

In total, the free TRACE MODE 6 driver library for communicating with controllers and other smart devices supports 2621 models of equipment.  


How to connect TRACE MODE to a Modbus enabled device via GSM?


Current TRACE MODE release 6.10.2. Upgrade now for free!