modb_multi_read_write

Modbus function to read and write multiple registers

Arguments

1. COM port handle
2. Integer, device address
3. Integer, read register start address 0x0-0xFFFF
4. Integer, quantity of read reagister 0x1-0x7D
5. Integer, write register start address 0x0-0xFFFF
6. Integer, quantity of write registers 0x1-0x79
7. Integer vector, data to write, the length is equal to quantity of write registers
8. Integer, timeout interval in ms

Output

Integer vector, read value or boolean false if not successful