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MODBUS_READ_INPUT_RE(3) | Libmodbus Manual | MODBUS_READ_INPUT_RE(3) |
NAME¶
modbus_read_input_registers - read many input registersSYNOPSIS¶
int modbus_read_input_registers(modbus_t *ctx, int addr, int nb, uint16_t *dest);DESCRIPTION¶
The modbus_read_input_registers() function shall read the content of the nb input registers to address addr of the remote device. The result of the reading is stored in dest array as word values (16 bits).RETURN VALUE¶
The modbus_read_input_registers() function shall return the number of read input registers if successful. Otherwise it shall return -1 and set errno.ERRORS¶
EMBMDATAToo many bits requested
SEE ALSO¶
modbus_read_input_bits(3) modbus_write_register(3) modbus_write_registers(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
05/26/2012 | libmodbus 3.0.3 |