modbus_write_register.md 630 B
modbus_write_register
Name
modbus_write_register - 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.