Dräger Polytron 7000 Instructions For Use Manual page 64

The menu » Settings «
– Operating time
— This function is used to display the operating time of the pump.
Select the menu items » Settings «, » Instrument «, » Pump « and

» Operating time « in this order, pressing the »
tion.
— The actual operating time of the pump is displayed in hours.
Alarm / Relay settings
Alarms can be output via a relay and a digital interface if a relay module is
installed. This group contains the setting functions for the alarms.
In the normal state, the relays of the relay module are energised. Therefore,
the state of the relay changes if the power supply is interrupted!
– Alarm on/off
— This function is used to enable and disable alarm monitoring.
Select the menu items » Settings «, » Instrument «, » Alarm « and » Alarm

on/off « in this order, pressing the »
Select » Enable « or » Disable « and press the »

If the alarm is disabled, no alarms will be signalled via the relay or the
HART interface!
A warning » « appears on the display!
– Set alarm A1
— This function is used to change the alarm configuration for alarm A1.
Select the menu items » Settings «, » Instrument «, » Alarm « and « alarm

A1 « in this order, pressing the »
Use the » « and »

for the alarm A1 and press the »
Press the » « key to confirm the complete alarm threshold value. The

OK
setting for the alarm threshold A1 is displayed.
— The function for setting the alarm direction is opened.
Select » Rising « or » Falling « and press the »

lection.
Select » Next « and press the »

— The function for setting the self-hold function of the A1 alarm is opened.
Select » Latching « or » Non latching « and press the »

vate.
Select » Next « and press the »

Note: » Latching « means that the relay must be manually acknowledged
after the alarm condition is no longer fulfilled, » Non latching « means that
the relay is automatically acknowledged after the alarm condition is no long-
er fulfilled.
— The function for setting the A1 acknowledgement is opened.
64
CAUTION
« key after each selection.
OK
CAUTION
« key after each selection.
OK
« keys to set each position of the threshold value
M
« key to confirm the setting.
OK
OK
« key.
OK
« key.
OK
« key after each selec-
OK
« key to activate.
OK
« key to activate your se-
« key to acti-
OK