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Reference > Libraries > Arduinomodbus > Modbusserver.coilwrite

ArduinoModbus - modbusServer.coilWrite()

Description

Perform a “Write Single Coil” operation for the specified address and value.

Syntax

int coilWrite(int address, uint8_t value);
int coilWrite(int id, int address, uint8_t value);

Parameters

  • id (slave) - id of target, defaults to 0x00 if not specified
  • address address to use for operation
  • value coi -l value to write

Returns

1 on success, 0 on failure.