Operating instructions

Note the following:
 The equipment connected to the low voltage inputs and out-
puts must have safe separation from dangerous voltages
according to DIN EN 61140
such as by double or reinforced
insulation according to DIN EN 60730-1 or DIN 60950-1.
 Only use shielded connection cables; connect the shield to the
connector cases. Cover unused plug connections with protec-
tive caps.
4.5.2 Installing driver for USB interface
A special USB driver must be installed on your PC to be able to
address the USB interface. The LAUDA company makes the USB
Virtual COM Port driver available for download at
http://www.lauda.de. Supported operating systems are Windows
XP SP3, Windows Vista, Windows 7 and Windows 8 (all 32 /64
bit).
Personnel:

Specialist
1. Execute the driver setup (exe file) for the USB interface on
your PC.

An installation wizard is displayed on your PC.
2. Follow the instructions of the wizard on your PC.

The USB driver is installed on your PC.
4.5.3 Connecting device to a PC
Before connecting the device to a PC, the appropriate
USB driver must be installed on the PC.
Ä Chapter 4.5.2 ‘Installing driver for USB interface’
on page 30
If the device is connected to the PC via the USB interface, a free
COM port is automatically assigned to the device. The PC uniquely
identifies the device using the internal serial number and always
assigns the same COM port to this device. If additional devices are
connected to the PC via USB interfaces, other free COM ports are
assigned to these devices.
Before commissioning
Variocool 30