Contains examples of Modbus (RS485) communication with Arduino. The Arduino RS485 Module is used for RS485 communication. In the examples, Arduino Mega is used as the Master, and Arduino Uno is used ...
1. Send Modbus-RTU command to the device through RS-485 via the assigned "RS485_Serial." 2. Get responses from the device through RS-485. 3. Send the device responses to the human-machine interface ...
Abstract: This paper explains how to set up the communication between PLC and Arduino based on Modbus Protocol. PLC is a master and Arduino is a slave. A Fx2N-48MR, a Fx2N-485BD, an Arduino main board ...
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