INTERFACE (MOLEX 90130-3110):
PIN (color)
DESIGNATION
DESCRIPTION
1 (black)
Enable Jumper
(GND)
Pins 1 and 2 should be interconnected to
use power supply in stand-alone regime
In this case, high voltage will appear at
the power supply output once HVPS-300
is powered
2, 4 (
yellow
)
Enable
Pin 2 or 4 should be pulled to the ground to
enable the output. Output is disabled while
TTL high level is applied to pin 2 (4) or pin
2 (4) is left unconnected
To use power supply in stand-alone regime,
pin 2 (4) might be short-circuited with one
of Interface return pins (e.g. pin 1)
3 (
green
)
HV Monitor
Output voltage monitor
Calibration is linear, 10V on pin 3
corresponds to V
MAX
at the output
5 (black)
GND
(Interface return)
Return of all Interface signals (Enable, HV
Monitor, Fault) except HV Program
6 (-)
N/C
-
7 (
orange
)
HV Program
Return
Return of HV Program signal
In order to improve high voltage stability
isn’t connected to the common ground of
Interface
8 (
violet
)
Fault
5V if fault occurred, 0V elsewise.
Fault state is set in the next cases:
•
Overheating of HVPS-300
9 (
blue
)
HV Program
DC voltage applied between pins 9 and 7
sets up the high voltage level
Calibration is linear, 10V between pins 9
and 7 corresponds to V
MAX
at the output
10 (
white
)
HV Program Jumper
Pins 9 and 10 should be interconnected to
use power supply in stand-alone regime
In this case output voltage is defined with
HV Program trimming potentiometer
Clockwise rotation decreases HV value
Counterclockwise rotation – increases HV
value
