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mb.readHreg function sometimes does not get a value from the slave device

ModbusRTU

Type: Issue

Status: Open.

#373 In emelianov/modbus-esp8266;

· arimukhlas opened on Nov 25, 2024

Timeout error (0xE4) when requesting more than 28 registers.

ModbusRTU

Type: Issue

Status: Open.

#370 In emelianov/modbus-esp8266;

· flintstones3000 opened on Nov 10, 2024

ModbusRTU result: E4, Mem: XXXXX RTU Timeout

Example

ModbusRTU

ModbusTCP

Type: Question

Status: Open.

#356 In emelianov/modbus-esp8266;

· Eduardo-bat opened on Jun 26, 2024

Working on ESP32-S3, but the priority must be set with 0, otherwise the CPU will falt to reset。

ModbusRTU

Platform: ESP32

Status: Investigating

Type: Issue

Status: Open.

#349 In emelianov/modbus-esp8266;

· kylongmu opened on May 7, 2024

How to write single register

ModbusRTU

Type: Question

Status: Open.

#348 In emelianov/modbus-esp8266;

· legaxus opened on May 3, 2024

Problem with begin

ModbusRTU

Platform: ESP32

Status: Investigating

Status: Open.

#344 In emelianov/modbus-esp8266;

· carminelau opened on Mar 21, 2024

ESP32: ModbusRTU readHreg not working in Master Mode

ModbusRTU

Platform: ESP32

Platform: ESP8266

Status: Investigating

Status: Open.

#329 In emelianov/modbus-esp8266;

· pprakash opened on Jan 9, 2024