modbus_write_register − write a single register
int modbus_write_register(modbus_t *ctx, int addr, int value);
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).
The modbus_write_register() function shall return 1 if successful. Otherwise it shall return −1 and set errno.
modbus_read_registers(3) modbus_write_registers(3)
The libmodbus documentation was written by Stéphane Raimbault <stephane.raimbault@gmail.com [1] >
1. |
stephane DOT raimbault AT gmail DOT com |
mailto:stephane DOT raimbault AT gmail DOT com