User manual

46
2. Connect the power cable to a protective contact socket with protective earthing. The total
length of the power cable to the socket should not exceed 3 m.
b) Setting up the device
Place the laboratory network device onto a stable, level and insensitive surface. Please ensure
that the ventilation slits in the housing are not covered.
c) General information
The laboratory network device is controlled by microprocessors and is operated via two digital
setting controllers (incremental encoders without end position) with button function. This enables
theneandroughcontrolviaacontroller.
A system check takes place after switch on. The test status is displayed on both displays. The
display sequence is as follows:
Display the current software status.
Segment test whether the display functions with
all individual segments. Switch over to the normal
operational display after this step.
The power supply enables operation in 3 modes. The following modes are possible:
Normal Normal operation. The voltage and current are set at the front.
Preset
StoragespaceoperationThreexedvoltagescanbesavedand
directly selected via this preset function. The selection is made via
the PRESET 1, 2, 3 selection buttons (8) and the settings via the
(4, 5) setting controller.
Remote Ctrl
Remote control. The power supply can be remote controlled via
an external voltage or an external potentiometer. The voltage and
current can be remote controlled. The front setting controllers are
inactive however, can be activated or deactivated again via the
LOCK/UNLOCK (8) button.
The individual operational modes are described to you more precisely in the following.