44 Technical Manual | Dräger Polytron
®
8000 Series
Operation
LED status
– When the first alarm (pre alarm) has been triggered the red LED flashes in
single mode .
– When the second alarm (main alarm) has been triggered the red LED flashes in
double mode .
– When an alarm is acknowledged before the alarm condition clears, the red LED
is lit continuously to indicate the present alarm condition.
8.3 Definitions of indicators in the display
8.3.1 Polytron
®
8100 EC-specific indicators in the display
8.4 User interface keys
The instrument is designed for the magnetic wand (part number 4544101: blue
body, white logo) to be used with the enclosure lid in place. If the enclosure lid is not
in place, the magnetic wand may activate two or more buttons at once (cross-talk).
Symbol Explanation
Error message available.
Warning message available.
Maintenance signal is transmitted.
Measuring range of analog interface exceeded.
Measurement value less than range of analog interface.
HART
®
operation is active. Analog interface is set to a fixed
value and is not transmitting any measurement signal.
SIL SIL operation mode is activated.
Symbol Explanation
"Preventive" maintenance: The sensor is ready for operation.
"Preventive" maintenance: The sensor is ready for operation
but is close to the end of its life cycle.
"Preventive" maintenance: The sensor is still ready for opera-
tion but should be changed as soon as possible.
The data logger is active in Roll mode.
The data logger is active in stack mode.
Button Function
Upwards / Function key
Downwards / Menu key
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