modbus_write_bit3
Write a single bit
Usage
int modbus_write_bit(modbus_t *ctx, int addr, int status);
Overview
The modbus_write_bit() function shall write the status of status at the address addr of the remote device. The value must be set to TRUE or FALSE.
The function uses the Modbus function code 0x05 (force single coil).
Return value
The function shall return 1 if successful. Otherwise it shall return -1 and set errno.
Releases
6 releases since Debian 7 (Wheezy); the text changed 5 times.