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62
C ) P N C > 4 0 K V T O 6 0 K V O U T P U T V O L T A G E
CAUTION
Only change the polarity prior to starting the unit or when it is
turned off.
Umpolen
nur bei
HV = 0V
negativ
Reverse
at
HV = 0V
only
fastened using a knurled screw. The reverse polarity jack has to be fully inserted;
otherwise the output voltage will remain locked.
LED´s at the front indicate the polarity setting.
D ) P N C > 6 0 K V T O 1 0 0 K V O U T P U T V O L T A G E
CAUTION
Only change the polarity prior to starting the unit or when it is
turned off.
needs to be removed before reversing the polarity. The reverse pole jack is
removed by pulling on the two handles and then turning it 180° until it snaps into
place (insertion path: approx. 40 cm / weight: > 5 kg). To prevent mechanical
damage by transverse loading to the reverse pole jack the process for reversing
the polarity must be performed in one single action. Subsequent the reverse pole
jack must be fully inserted and refastened with the screws; elsewise the output
voltage supply will remain locked.
7 . 2 . 1 6 .
Umpolung
möglich
Reversal
possible
the green LED "Reversal possible" glows. The polarity reversion is now executed
automatically after lever the "Pos/Neg"-Switch or via the digital interface with the
"REL ON" / "REL OFF" instruction. Each status of polarity is shown by LED.
Subsequently the output voltage can be set as usual.
O p t i o n 6 1 : E l e c t r i c a l p o l e r e v e r s a l
The electrical reverse pole switch is used to change the output
Pos
polarity either manually with a contactor at the front panel or
optional via a digital interface command. Its obligation, to set
the output voltage to 0V prior polarity reversal first (either with
Neg
the HV button or via a 0V output voltage setting). Not till then
zPower supply units in this
voltage category are equipped
with a reverse polarity jack
located on the back of the unit.
This is plugged according the
required polarity before starting
the unit and needs to be
Power supply units with up to
100 kV output voltage are
equipped with a reverse pole
jack that is fastened with the two
screws (outside on the right and
left on the 19" profile); these
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