1.3
Mains Connection
The design of the unit meets the requirements of safety class I according to EN 61010-1, i. e.
all metal parts accessible from outside and exposed to contact are connected with the
protective conducto of the supply network.
Power is supplied via a mains cable with earthing contact.
1.4 Installing the Power Supply Unit
The unit should not be operated close to equipment that develops heat.
1.5 Switching on
The unit is switched on using the power switch at the front. The power switch separates the
unit completely from the primary side of the transformer.
The LED
ON/OFF
serves as an operation indicator.
1.6 EMC
The unit is interference-free according to the EN 50081-1 and EN 50081-2. In order to fulfil
the limiting values in line with present standards, it is absolutely necessary that only cables
which are in perfect condition be connected to the unit. The following information applies
here:
−
Metallic or metallized socket cases must be used for interface RS-232C. The socket cases
and the braided screen of the cables must be connected at the shortest distance possible.
The signal earth must not be connected to the braided screen.
−
After opening and closing the unit ensure that if all the fixing parts and contact springs are
installed as before that all the screws are fixed and tightly.
1.7 Inspection and Maintenance
If service is needed, due attention should be paid to the regulations according to VDE 0701.
The unit should only be repaired by trained personnel.
4
Operating Instructions UZ 2400
1/2000
