modb_do_write_reg

Modbus function to generate command to write digital output register

Arguments

1. COM port handle
2. Integer, device address 0 - 255
3. Integer, digital output starting address 0x0-0xFFFF
4. Integer, quantity of outputs 0x0-0x7B0
5. Integer, output bit values
6. Integer, timeout interval in ms

Output

Integer vector, command