MODBUS_WRITE_BIT(3) Libmodbus Manual MODBUS_WRITE_BIT(3)
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 Stephane Raimbault <stephane.raimbault@gmail.com[1]>
NOTES
1. stephane.raimbault@gmail.com
mailto:stephane.raimbault@gmail.com
libmodbus 3.0.3 05/26/2012 MODBUS_WRITE_BIT(3)
