Chapter 1 General Specifications
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1.4.1 USB interface
The PUB21 / PUB21A has the USB controller of USB port (Upper) and USB port
(Lower).
Either Controller Function (PLC / DCS) or Computer Function (Windows) occupies the
USB controller. The default setting is Controller Function (PLC / DCS) on USB port
(Upper) and Computer Function (Windows) on USB port (Lower). This setting can be
changed with nV-Tool.
Pay attention to the above points when connecting the mouse and keyboard.
The USB interface does not guarantee the operation of all USB devices.
If the mouse or keyboard does not work, plug the mouse or keyboard into the USB hub
and there are cases which it work.
When using a USB device on Windows, USB devices other than the keyboard and mouse must
be directly connected to the USB port.
1.4.2 Keyboard / Mouse
Keyboard / mouse can be connected via USB interface.
Be sure to connect the keyboard / mouse to the USB interface for Computer Function
(Windows). The USB interface for Computer Function (Windows) is the default on USB
port (Lower).
1.4.3 Graphic interface
The Graphic interface is occupied while Windows is running. The resolution of the
connected LCD monitor is 1920 x 1080 or 1280 x 1024. Set the Windows display setting
to be the same as the monitor resolution.