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Button Interface

Certain behavior of the module can be controlled through a button connected on the bootloader/button pin. This button is optional since the SPI interface provides the same functionality, and in that case the bootloader/button pin must be pulled high to 3.3V.

Push button

Action Function
Double Push Rescan for connected Modbus servers
Hold 10 s Decommission / Reset
Hold 20 s Firmware update mode
Hold before powering the module Firmware update mode