ArduinoModbusSlave

ArduinoModbusSlave copied to clipboard

Exception Response , Illegal Data Address

1

while trying the example "simple" using "Simply Modbus" software as a master and an Arduino UNO as slave, i'm getting "Exception Response" & "Illegal Data Address" can anybody tell me...

mushfiq-heraclius-xen

I have a project use Arduino as Master to read and write data for about 30 slave(R485) but Currently, I have not found a solution yet

haidvams

Enable / disable communication

2

I have a very specific feature request for a product our company has produced. I implemented it (and changing the Unit ID) easily enough, but thought I would add an...

cvanbrederode

Not working with I2C communication

9

I had successfully implemented this library with Arduino as an I2c slave. So one arduino modbus slave + I2c slave works. But right now I have interfaced a I2C sensor...

akshulg

Strange behiavor on slave using write single register

9

Hi, I'm using this library on arduino in order to make it as a Modbus Slave, the slave consists in a ATMEGA328P with a bunch of neopixel leds (8) attached,...

rtu-dataframe

Missing support for arduino nano every

3

There are problems to compile the library for the new Arduino Nano Every target. They declared that Arduino Nano Every is compatible with Arduino Nano but that's not true. It...

salvitti

Doesn't work on arduino mega 2560.

1

`Modbus :: createResponse ();` If there is no `delay (1)` or `Serial.println ("")` before calling the function, it does not work properly. communication:rs232 baudrate:9600 dataBits:8 Parity:None StopBits:1 ``` cpp uint8_t...

qqq-tech

typo in examples/full/full.ino

1

https://github.com/yaacov/ArduinoModbusSlave/blob/a9559f96f65340cf746ac093ef80ebe699bca8ba/examples/full/full.ino#L135 I think, it should be: `EEPROM.get(address + i * 2, value); `

snowshow

ModbusTCP

8

For a project I would like to use ModbusTCP. For this I looked into using your TCP lib, but this only accepts a ESP8266 and is about 3 years old....

ysmilda

Mega2560 TX problem

37

Hi, I am trying the library on Arduino Mega 2560. Receiving the queries works ok but writeRegisterToBuffer doesn't write the response to any Serial. I tried all the serials but...

asefd