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comfilehmi:hmi_connection_mcu:index

Interfacing with a Generic Microcontroller

The ComfileHMI's RS-232 ports are PC-level (+/-12V), so it may be necessary to adapter your MCU's 5V or 3.3V UART signals.

  • For adapting 5V levels, use aMAX232 or similar transceiver.
  • For adapting 3.3V levels, use aMAX3232 or similar transceiver.

ComfileHMI Project Communication Settings

When creating a new project, select MCU and SIMPLE MODBUS.

More about Simple MODBUS.

Back to ComfileHMI

comfilehmi/hmi_connection_mcu/index.txt · Last modified: 2017/02/21 18:22 by COMFILE Technology