Interfaces
126 Cubis MSU User Manual
USB Port (PC)
Purpose Any Cubis balance can be connected to a PC equipped with a USB port. A virtual
serial interface (virtual COM port) is set up as a device type at the USB port.
This virtual serial interface is identified und operated by the application program.
The protocols xBPI, SBI, and SICS can be transmitted via the USB port.
3
The USB port is designed for the laboratory environment and is not suitable for
use in purely industrial environments. Full IP protection is only guaranteed when
the USB cover is closed.
System Requirements – Computer (PC) with Windows 98SE
®
, Windows ME
®
, Windows 2000
®
,
Windows XP
®
, Windows Vista
®
, or Windows 7
®
– Available USB port on the PC
– USB cable
Software Driver and Installation Guides The VCP driver, used to set up the virtual interface on the computer, can be down-
loaded from the internet:
http://www.ftdichip.com/FTDrivers.htm
The installation guides for the drivers can be found at
http://www.ftdichip.com/Documents/InstallGuides.htm
Connecting the Balance via USB
h
The current USB port for the computer is established when the software driver
is being installed. The driver must be re-installed every time you wish to change
the port.
Therefore, choose one USB port that can permanently or regularly be used
to connect the balance.
t Switch off the balance.
t Unplug the balance from the mains.
t Connect the USB cable to the balance and to the USB port on the computer.
t Plug the balance into the mains again and switch it on.
y Windows detects the device connected to the USB port. If the device is being
connected for the first time, the Windows Installation Wizard will run.
Installing Software Drivers
t Run the Installation Wizard for the driver.
t Follow the instructions that appear.
t To complete the installation, click on Finish.
y The virtual interface is now ready for operation.
Windows
®
usually adds the virtual port in the position following your
highest-numbered COM port.
Example: For a PC with up to 4 COM ports, the new virtual port would then be COM5 (see
Device Manager).
Installation Guides for Windows XP
®
, Windows Vista
®
, and Windows 7
®
Changing the Port Number If you use the USB interface with a program that limits the number of COM port
designations (e.g., COM1, 2, 3, 4 only), you may have to assign one of these port
numbers to the new virtual port.
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