modbus_write_registers.md 689 B
modbus_write_registers
Name
modbus_write_registers - write many registers
Synopsis
int modbus_write_registers(modbus_t *ctx, int addr, int nb, const uint16_t *src);
Description
The modbus_write_registers() function shall write the content of the nb
holding registers from the array src at address addr of the remote device.
The function uses the Modbus function code 0x10 (preset multiple registers).
Return value
The function shall return the number of written registers if successful. Otherwise it shall return -1 and set errno.