Sending data through Modbus - General Guidance - Arduino Forum
Jul 31, 2024 · I want to send a data to stepper motor controller through Modbus. I am a complete beginner to the Modbus. I built a Modbus adapter based on the Max485 IC according to this website …
RP2040 - RS485 modbus RTU - 3rd Party Boards - Arduino Forum
Feb 14, 2022 · I'm also handling a Modbus RTU issue. I'm using the Arduino Modbus Library, and I can verify my code on UNO and Mega, but when I try to compile the same code in RPI PICO, the RS485 …
Modbus RTU rs485 between Arduino and HMI
Oct 17, 2023 · I am trying to communicate a Kinco HMI (GL070E) with an arduino NANO using the Modbus RTU/RS-485 protocol and a MAX 485 converter module. In my case, I only want to send a …
Arduino Nano as a Modbus RTU Slave
Mar 13, 2025 · GitHub - CMB27/ModbusRTUSlave: This is an Arduino library that implements the... This is an Arduino library that implements the slave/server logic of the Modbus RTU protocol. Never tried …
Reading Modbus 32 bit holding Registers - Arduino Forum
Jul 28, 2024 · It shows you how to do this in the manual you linked to, page 8. When you read a register, you are reading a 16 bit quantity. Temperature is a 16 bit value, humidty is a 16 bit value, but …
Reading Holding Registers via MODBUS - Arduino Forum
Jul 4, 2022 · Normally you would use "Serial" for diagnostic messages and have the device connected to a second serial port, either real or software driven. Modbus device <-> second serial port <-> …
Modbus ASCII Protocol on UNO - Arduino Forum
Jun 23, 2025 · In my project, I am using Modbus ASCII protocol with an arduino uno, MAX485, with 7 data bits and even parity. There are few options for this type, so I simply want to hard-code reading a …
Mach3, M6, Modbus, Arduino, Tool changer, Brain
Mar 22, 2022 · Hi There, I have built an arduino-based tool changer for a conventional 2-axis turning lathe machine. It works by receiving a input of 1 to 12 through either the serial monitor or a bluetooth …
Arduino Modbus Master HELP PLEASE
Oct 27, 2024 · Have a good day. I am new to Arduino coding. I tried many programs on the internet to get the kg information from the weight indicator I have and write it to the serial port, but I failed. I …
ArduinoModbus (TCP) with Portenta Machine Control - Basic Guide ...
Sep 10, 2024 · Hey everyone, This post is a follow up to the basic guide I made a while back on (one way of) getting started with MODBUS RS485 on the Portenta Machine Control (See my original …