4-20ma/ModbusMaster

Issues

• multiple slave id

  #197 opened a month ago by heydan98
  0

• Giving portenta error

  #196 opened 2 months ago by DineshMudumala
  0

• Report Slave ID

  #195 opened 5 months ago by ReAlMi7
  0

• MAX13487e - Error 227

  #193 opened 7 months ago by markvdberg0
  0

• [QUESTIONS] writemultipleregisters - possible to skip x addresses?

  #192 opened 8 months ago by JesperThorup
  0

• QUESTIONS - How to get values only present in the 0x10 segment

  #191 opened 10 months ago by JesperThorup
  0

• Is there an asynchronous API option?

  #141 opened 4 years ago by juleq
  2

• Read Holding register using usb-rs485 and Arduino Mega

  #189 opened a year ago by Stergios96T
  0

• Communication with PLC

  #190 opened a year ago by Stergios96T
  0

• Possible to get raw data from slave?

  #186 opened 2 years ago by mbtgsm
  1

• Pico W Readings From Read Holding Registers Not Stable

  #188 opened a year ago by mohdrais
  0

• Modbus function 0x16 maskWriteRegister

  #187 opened a year ago by gcdw64
  0

• Read negative values

  #168 opened 3 years ago by thalesmaoa
  8

• ReadHoldingRegisters takes 2seconds

  #182 opened 2 years ago by JODLatGit
  3

• Changing Slave ID

  #183 opened 2 years ago by elektroboard
  0

• Reading 32 bits number from two registers

  #177 opened 2 years ago by Fluxanode
  5

• Question about readWriteRegister example

  #181 opened 2 years ago by Fluxanode
  1

• hello i can write data but i can't read how can i read data can you help me

  #165 opened 3 years ago by paxsipornax
  1

• Share code example read/write multi slave ?

  #159 opened 3 years ago by haidvams
  3

• What (DE,RE) pins.

  #155 opened 4 years ago by JLightMedia
  1

• Read Holding Registers returns 266 (Error)

  #170 opened 3 years ago by maharshi114
  1

• CRC?

  #176 opened 2 years ago by Fluxanode
  0

• PIN ID

  #175 opened 2 years ago by Fluxanode
  4

• Support for multiple slaves on bus

  #156 opened 4 years ago by danbujak
  1

• [SOLVED] wrong data received

  #150 opened 4 years ago by yuguifly
  6

• Issues uploading sketch to arduino and disconnecting pin 0

  #174 opened 2 years ago by GrahamWillsher
  0

• Modbus RTU communications Using RS-232. No response, CRC exception codes.

  #173 opened 2 years ago by ch992319
  3

• Can Serial1 (Rx1 and Tx1) be used via a DUE to communicate over Modbus, or must it be Serial0 (Rx and Tx)?

  #172 opened 2 years ago by ch992319
  2

• Modbus function 0x01 Read Coils is incorrect ?

  #160 opened 3 years ago by haidvams
  2

• Unable to communicate with Auber Instruments SYL-2381 Temperature Controller

  #169 opened 3 years ago by chakahamilton
  0

• Hi. Is it possible to edit communication parameters such as parity, stop bits and data length in ModbusMaster library (Version bump to v2.0.1)? Thank You.

  #167 opened 3 years ago by pklg
  3

• Bugs in Example "RS485_Halfduplex"

  #166 opened 3 years ago by noiasca
  0

• No value recieved - ModbusRTU_result = 226 - Modbus communication between ESP32 and a Frequency Inverter for a Motor

  #164 opened 3 years ago by GregDavid123
  0

• [solved] Attiny85 with MAX485 and energy meter returns error code E0

  #163 opened 3 years ago by mi-schi
  1

• help with modbus master, single register 8bit write

  #162 opened 3 years ago by jaygrovr
  0

• couldnt print the modbus frame to serial monitor its printing gibberish

  #158 opened 3 years ago by caster1
  1

• No Modbus slave station non-stop reset

  #153 opened 4 years ago by bczhong
  2

• Write Single register to a slave - 226 Timeout error

  #149 opened 4 years ago by rtu-dataframe
  13

• ReadLoadCell = node.readInputRegisters blocking part of my code

  #152 opened 4 years ago by shent44
  0

• Issues Reading registers in a separate function

  #151 opened 4 years ago by yuguifly
  0

• Retriving 0xE0 (Invalid Slave ID) Continious

  #145 opened 4 years ago by nimish21
  7

• How to read signed/unsigned long long registers?

  #148 opened 4 years ago by rtu-dataframe
  0

• Unable to read a Modbus register from Elmeasure Meter using Arduino NodeMCU uint16_t _u16ResponseBuffer issue

  #147 opened 4 years ago by pitchaimuthufb
  0

• read and write holdingRegisters in only one request

  #146 opened 4 years ago by ROG3R-DEV
  0

• BUG REPORT: does not compile with -Werror=uninitialized due to bug in ModbusMaster::requestFrom(...)

  #144 opened 4 years ago by dyarkovoy
  0

• Last byte missing from master request

  #142 opened 4 years ago by t6Jay
  1

• Change duration

  #140 opened 4 years ago by totza2010
  0

• Unable to retrieve more than 63 HoldingRegister or InputRegister

  #139 opened 5 years ago by wop86
  0

• How can I send a data by serial communication, using an Arduino to some program that will read this data?

  #138 opened 5 years ago by Pedro0596
  2

• QUESTION about an Error with writeMultipleRegisters

  #137 opened 5 years ago by prfiredragon
  0