Technical Manual | Dräger Polytron
®
8000 Series 81
Factory default settings
15 Factory default settings
15.1 Fixed settings for relays, LED and alarm
15.2 Settings which can be changed via the menu
15.2.1 Polytron
®
8xx0
Setting
Fault relay Energized / Normally Open
Yellow Fault LED Lit if a fault message is available
Red Alarm LED Single blink if A1 condition is present. Double blink if A2 condi-
tion is present. If an alarm is configured as acknowledgeable
and the alarm is acknowledged, single/double blink changes
into continuously lit.
Alarm Hierarchy A2 overrides A1 on the LED. However, the A1 and A2 relays
operate independently. I.e. if A1 is acknowledgeable and A2 is
not, and the gas concentration is such that it triggers A1 and
A2: acknowledging will cause the A1 relay to release. However,
the red LED will still double blink as long as the A2 condition
continues to exist.
Menu Default setting Range
Relay active on
alarm / No alarm
Active on alarm On / Off
A1 alarm: direc-
tion
Rising (falling for
O
2 Sensors)
Falling / Rising
A2 alarm: direc-
tion
Rising
A1 latch mode Non-latching Latching / Non-latching
A2 latch mode Latching
A1 acknowledg-
ment mode
Acknowledge-
able
Acknowledgeable / Not acknowledgeable /
Pre-acknowledgeable
A2 acknowledg-
ment mode
Not acknowl-
edgeable
Normal opera-
tion A1 relay
Energized Energized / Not energized
Normal opera-
tion A2 relay
Calibration pass-
word
_ _ _ 1
Settings pass-
word
_ _ _ 2
LCD setting On On / Off
SIL status Off On / Off
Language EN DE / EN / FR / ES / RU / ZH
Auto-calibration Off On / Off
Function key Faults Graph, fault, warning, vitality, bump test
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