Skip site navigation (1)Skip section navigation (2)

FreeBSD Manual Pages

  
 
  

home | help 
modbus_write_bit()					      modbus_write_bit()

Name
     modbus_write_bit - write a single bit

Synopsis
     int modbus_write_bit(modbus_t *ctx, int addr, int status);

Description
     The modbus_write_bit() function shall write the status of status at the ad-
     dress 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.

See also
     * modbus_read_bits <modbus_read_bits.md>

     * modbus_write_bits <modbus_write_bits.md>

							      modbus_write_bit()

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=modbus_write_bit&sektion=3&manpath=FreeBSD+Ports+15.1.quarterly>

home | help