table of contents
MODBUS_WRITE_BITS(3) | Libmodbus Manual | MODBUS_WRITE_BITS(3) |
NAME¶
modbus_write_bits - write many bitsSYNOPSIS¶
int modbus_write_bits(modbus_t *ctx, int addr , int nb, const uint8_t *src);DESCRIPTION¶
The modbus_write_bits() function shall write the status of the nb bits (coils) from src at the address addr of the remote device. The src array must contains bytes set to TRUE or FALSE. The function uses the Modbus function code 0x0F (force multiple coils).RETURN VALUE¶
The modbus_write_bits() function shall return the number of written bits if successful. Otherwise it shall return -1 and set errno.ERRORS¶
EMBMDATAWriting too many bits
SEE ALSO¶
modbus_read_bits(3) modbus_write_bit(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
10/18/2014 | libmodbus 3.0.6 |