I am writing a little serial bus (RS485) monitor in c++. It should read small data packages up to 32 bytes from the serialport an occasionally writes ...

The transducer is modbus. Via R485 I want to send the request x00 and read it back. x00 is to read the temperature The transducer is expecting hex ex ...

Does exist an apk for android 4.0 that is able to read and write data on RS485 connection? I'm using a noise sensor which has 4 output pins (485A, 48 ...

We are fairly new to Modbus and RS485 communication and are currently in the process of writing a Python application to read specified registers from ...

I'm trying to find out the best order an RS485 interface as an optional interface for my CX2033 Beckhoff industrial PC. in the ordering page I faced t ...

I run a Raspberry Pi 4 with a USB-RS485 adaptor connected to a Panasonic IntesisBox, using the Python minimalmodbus module. First, I check the connect ...

I'm using a board with the next GPIO as the image: Also im ussing a TTL to RS-485 module at 5V with chipset MAX485. ESP32 MAX ...

I need some help with CRC calculation. I spent a week trying to understand how a CRC (or Checksum) is calculated on a communication protocol I have a ...

I've built a data logger with a Raspberry Pico that sniffs data from an RS485 and saved them into an SD Card (see image). Everything works correctly w ...

I wrote a program using python3.8.2 and pymodbus on a beaglebone to do modbus RTU communication via RS485. I am using a MAX13487E on a cape connected ...

Hello I'm stuck with problem. I have probe (Vaisala DMT 152) with RS 485 communication line. The manufacturer make some commands in PuTTY. What I need ...

I am communicating with different devices on a RS485 network with a single RS485MAX device running through the UART pins on a Raspberry Pi. It is usi ...

I want to enable RS-485 AND CANbus communications for my BBB using the comms cape 2. I used to setup my Beaglebone black thru the /boot/uEnv.txt by o ...

I'm in the processes of developing a RaspPi program that will be responsible for data-logging sensors on an RS-485 based Modbus network. Development ...

There is a problem in writing the MODBUS RTU code using Arduino. First, the communication was successful. However, communication is performed in the ...

I am working on making GUI for a Smart Water flow meter whose communication protocol is RS485, as per instructions from Communication Manual i am send ...

I've been trying to build a simple temperature measuring system using Minimalmodbus. The components are as follows; RPi(Raspberry pi zero) with py ...

I tried reading values from 1 temperature sensor using Qt modbus class in the following way : Now what I want is reading values from different slav ...

I'm working on Linux system that using modbus rtu RS485 to send and receive data. My device is master and just send "request latest data"(8Bytes inclu ...

I have a Beaglebone black running on linux Debian with a cape Comms2 with RS485 connectivity (the linux serial port device is at /dev/ttyS1). I have ...