I took a look at yours SlimLine Compact, very interesting! Do you also have touch / screen display + integrated PLC solutions? In practice, in front there is the touch / screen, on its back there are the I / O terminals. Obviously, the canonical Modbus RTU registers must be present in the Arduino sketch and must correspond to those set on the display. The display is set as MODBUS RTU, Arduino is programmed as MODBUS RTU Slave.
WEINTEK MODBUS RTU SERIAL
Then I connect everything to Arduino's rx0 and tx0 (the same serial port that Arduino uses for programming). Anybus Communicator - Modbus TCP Integrate your serial RS-232/422/485 based industrial devices and equipment to a Modbus-TCP control system without the need for any changes to the device. Max485 ic is used for interfaceing arduino slave to hmi. E5CC HMI Weintek Modbus RTU RS485 Tutorial. Hi Friends, I want to communicate with arduino slave from Weintek HMI using modbus rtu protocol over rs485, I am Using ModbusMasterSlave Libraries basic example. Enter the URL of the YouTube video to download subtitles in many different formats and languages. Your device is truly versatile, below are the wiring dataĭisplay side COM1, RS232 (pin6, Tx pin9 Rx pin5 GND)Īrduino side, RS232 / TTL translation board (pin2, Tx pin3 Rx 5 GND pin) Using Arduino Networking, Protocols, and Devices. Basic was the test with the monitor device in "on-line mode", connected to Arduino via USB programming.
Refer to Tech Note 5099, 'Using the Modbus Gateway' and our Modbus Controller Information Sheets for more information. Allow the HMI to act as a Modbus TCP-to-Modbus RTU bridge. Allow the SCADA System to access any device connected to the HMI. Everything works (Input / output byte and word). The Modbus Gateway can: Allow the SCADA System to access any HMI internal memory.
Thanks to his valuable advice I was able to get the Modbus communication between the Weintek screen and Arduino Mega to work.
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