modbus_write_register - Man Page
write a single register
Synopsis
int modbus_write_register(modbus_t *ctx, int addr, const uint16_t value);
Description
The modbus_write_register() function shall write the value of value holding registers at the address addr of the remote device.
The function uses the Modbus function code 0x06 (preset single register).
Return Value
The function shall return 1 if successful. Otherwise it shall return -1 and set errno.
See Also
Authors
The libmodbus documentation was written by Stéphane Raimbault <stephane.raimbault@gmail.com>
Referenced By
libmodbus(7), modbus_read_input_registers(3), modbus_read_registers(3), modbus_write_and_read_registers(3), modbus_write_registers(3).
07/20/2023 libmodbus v3.1.7 libmodbus Manual