Caen N1471A - Internal Settings and Configuration; Channel Polarity Selection

Programmable HV Power Supply
Revision 19
35
n
CAEN
T o o l s f o r D i sc o v e r y
4 Internal Settings
4.1 Polarity selection
The output polarity is independently selectable for each channel. Note that the polarity is
indicated by two LEDs for each channel on the front panel.
In order to change the polarity:
 Wear Antistatic Gloves
 Switch off the unit
 Wait for the complete discharge of the capacitors.
 Lay down the unit, right side up
 Remove screws 1, 2, 3, 4, 5, 6, see figure (red):
Fig. 4.1: Side cover removal instructions
 Lift the side cover gently
 At this point it is possible to change the channel polarity: refer to the following figure
(the blue arrow indicates diode bridge box placed to configure channel as
POSITIVE).
 During this operation pay attention not to bend the pins, as they are plugged
completely in their sockets