EPS Stromversorgung PSI 9040-120 2U, Руководство по эксплуатации

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PSI 9000 2U Series
3.6 Alarms and monitoring
3.6.1 Definition of terms
There is a clear distinction between device alarms (see „3.3. Alarm conditions“ ) such as overvoltage protection
or overheating protection, and user defined events such as OVD (overvoltage detection). Whilst device alarms
serve to protect the device and the connected load by initially switching off the DC output, user defined events can
switch off the DC output (Action = ALARM), but can also simply give an acoustic signal to make the user aware.
The actions driven by user defined events can be selected:
Action Impact Example
NONE User defined event is disabled.
SIGNAL
On reaching the condition which triggers the event, the action SIGNAL will
show a text message in the status area of the display.
WARNING
On reaching the condition which triggers the event, the action
WARNING
will show a text message in the status area of the display and pop up an
additional warning message.
ALARM
On reaching the condition which triggers the event, the action ALARM will
show a text message in the status area of the display with an additional alarm
pop-up, and additionally emit an acoustic signal (if activated). Furthermore
the DC output is switched off. Certain device alarms are also signalled to
the analog interface or can be queried via the digital interface.
3.6.2 Device alarm and event handling
A device alarm incident will usually lead to DC output switch-off. Some alarms must be acknowledged (see below),
which can only happen if the cause of the alarm is not persistent anymore. Other alarms acknowledge themselves
if the cause has vanished, like the OT and the PF alarm.
► How to acknowledge an alarm in the display (during manual control)
1.
If the alarm is indicated as a pop-up, tap OK.
2.
If the alarm has already been acknowledged, but is still displayed in the status area,
then first tap the status area to display the pop-up, and then acknowledge with OK.
In order to acknowledge an alarm during analog remote control, see „3.5.4.5. Overview of the Sub-D Socket“ . To
acknowledge in digital remote, refer to the external documentation “Programming ModBus & SCPI”.
Some device alarms are configurable:
Alarm Meaning Description Range Indication
OVP
O ver V oltage
P rotection
Triggers an alarm if the DC output voltage reaches the
defined threshold. The DC output will be switched off.
0 V...1.1*U
Nom
Display, analog
IF, digital IF
OCP
O ver C urrent
P rotection
Triggers an alarm if the DC output current reaches the
defined threshold. The DC output will be switched off.
0 A...1.1*I
Nom
Display, digital
IF
OPP
O ver P ower
P rotection
Triggers an alarm if the DC output power reaches the
defined threshold. The DC output will be switched off.
0 W...1.1*P
Nom
Display, digital
IF