63
Instruction Manual
PSI 8000 3U Series
EN
Date: 05-03-2012
Using the power supply
Sounds
Key sound
Default:
NO
= YES
A short beep signalises a button press
= NO
No signal if keys are pressed
Alarm sound
Default:
YES
= YES
If an alarm or warning occurs an acoustic signal is
emitted (beep) in short intervals
= NO
No acoustic signal for alarms/warnings
7.5 Configuring the graphic display
D
The menu page
Display
lets you configure all parameters
related to the graphic display.
Backlight
Default:
YES
= YES
The backlight is permanently on
= delay 60s
The backlight will be switched off with
a delay of 60s after a button or a rotary
knob has been used the last time
Contrast
Default:
70
= { 40...100 }
The contrast can be adjusted to suit the needs of the location
where the unit is installed and for a clearer view at the values.
7.6 Supervision
Super
The
Supervision
menu lets you configure the supervision of
output voltage, output current and output power. You can also
supervise a step function. The menu
Supervision
leads
you to following menu selection:
U thresholds
I thresholds
Step response
7.6.1 Voltage supervision
U thre
The menu page
U thresholds
lets you configure the over-
voltage threshold OVP) as well as the supervision circuits for
over- and undervoltage.
Overvoltage protection (OVP)
U ovp
Default:
1,1*U
nom
= {U>… 1,1*U
nom
}
The overvoltage protection is intended to protect the connected
load. This threshold should always be adjusted to the maximum
voltage the load can take without damage. The output is instantly
shut down if this threshold is exceeded.
Example: an 80V unit can be adjusted up to 88V for
U
ovp
OV
It is displayed as an alarm.
(also see „6.13 Alarms, warnings and signals“)
Overvoltage supervision
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