User manual
Page 45
EA Elektro-Automatik GmbH
Helmholtzstr. 31-37 • 41747 Viersen
Germany
Fon: +49 2162 / 3785-0
Fax: +49 2162 / 16230
www.elektroautomatik.de
ea1974@elektroautomatik.de
PS 3000 C Series
3.6 Alarms and monitoring
3.6.1 Device alarm and event handling
AdevicealarmincidentwillusuallyleadtoDCoutputswitch-o,theappearanceofa
text message in the display and, if activated, an acoustic signal to make the user aware.
The alarm must always be acknowledged. If the alarm condition no longer exists, e.g.
the device has cooled down following overheating, the alarm indication may have disap-
peared already. If the condition persists, the display remains and the alarm can only be
acknowledged after elimination of the cause.
► How to acknowledge an alarm in the display (during manual control)
1. Once and alarm is indicated, the user can try to acknowledge and delete the alarm by pressing either button
or .
In order to acknowledge an alarm during analog remote control, see „3.5.4.3. Acknowledging device alarms“. To
acknowledge in digital remote, refer to the external documentation “Programming ModBus RTU & SCPI”.
Somedevicealarmsarecongurable:
Alarm Meaning Description Range Indication
OVP
OverVoltage
Protection
Triggers an alarm if the DC output voltage reaches the
denedthreshold.TheDCoutputwillbeswitchedo..
0 V...1.03*U
Nom
Display, analog &
digital interface
OCP
OverCurrent
Protection
Triggers an alarm if the DC output current reaches the
denedthreshold.TheDCoutputwillbeswitchedo..
0 A....1.1*I
Nom
Display, digital
interface
OPP
OverPower
Protection
Triggers an alarm if the DC output power reaches the
denedthreshold,TheDCoutputwillbeswitchedo..
0 W...1.1*P
Nom
Display, digital
interface
Thesedevicealarmscan’tbeconguredandarebasedonhardware:
Alarm Meaning Description Indication
PF Power Fail
AC supply over- or undervoltage. Triggers an alarm if the AC supply is out
ofspecicationorwhenthedeviceiscutfromsupply,forexamplewhen
switchingitowiththepowerswitch.TheDCoutputwillbeswitchedo.
Display, analog &
digital interface
OT
OverTem-
perature
Triggers an alarm if the internal temperature exceeds a certain limit.
TheDCoutputwillbeswitchedo.
Display, analog &
digital interface
► How to congure the device alarms
2. WhiletheDCoutputisswitchedo,pressbutton .
3. In the menu press , then navigate to “Protection Settings”withthearrowbuttons(↓,↑)andpress
again.
4. Set the thresholds for the device alarms relevant to your application if the default value of 103% (OVP) resp.
110% (OCP, OPP) is unsuitable.