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 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
modbus_write_bit() function shall return 1 if successful. Otherwise
it shall return -1 and set errno.
SEE ALSO¶
modbus_read_bits(3) modbus_write_bits(3)
AUTHORS¶
The libmodbus documentation was written by Stéphane Raimbault <
stephane.raimbault@gmail.com[1]>
NOTES¶
- 1.
- stephane.raimbault@gmail.com
mailto:stephane.raimbault@gmail.com