connect to the real PLC

[sky_nyx]

how to use the easyplc connect a real plc?

[EasyPLC_Master]

You must use the PC card intefaces showed in the nirtec webpage:
http://www.nirtec.com/index.php/purchase-price/
OPTION 3 -> USB-OPTO-RLY88 interface card (includes USB License) - You will be able to connect external devices to your PC with the interface card
OPTION 4 -> A-1055S interface card (includes USB License) - You will be able to connect external devices to your PC with the interface card
OPTION 5 -> A-1860 interface card (includes USB License) - You will be able to connect external devices to your PC with the interface card

More info here -> http://www.nirtec.com/index.php/interfaces-io/ (see USB Interfaces)

[sky_nyx]

may I use the ModBus driver to connect the Mitsubishi's GX Similator2?

[EasyPLC_Master]

If this PLC uses the standard MODBUS protocol, the answer is YES.

[sky_nyx]

Can you give me a tutorial about modbus driver? There is no description in the  user manual.