Dräger Flame 2000, Инструкция по эксплуатации

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15
Use
en
Possible modes of operations Possible heated optics settings
The heated mode can be set to one of the following:

OFF: Detector window is not heated

ON: Detector window is continuously heated

Automatic (default):
You can define the start temperature below which the detector
window is heated. The default is 5 °C (41 °F).
The start temperature can be defined between 0 °C (32 °F) and
30 °C (86 °F).
The heating stops when the temperature is 15 °C (approx. 27 °F)
above the start temperature.
3.3.8 Powering up the flame detector
1. Power up the system.
2. Wait approximately 60 seconds for the flame detector to finish the
start-up procedure.
The startup procedure is as follows:

The status LED flashes yellow at 4 Hz.

A BIT is executed.
If the test was successful:

The status LED flashes green at 1 Hz.

The fault relay contacts close.

The 0-20 mA output is 4 mA.
Function Setting
Alarm Latch

YES: Enable alarm latching.

NO: Disable alarm latching (default).
Automatic BIT
1)
1) not applicable for Dräger Flame 2570

YES: Perform automatic & manual BIT
(default).

NO: Perform manual BIT only.
Alarm BIT
1)

YES: Successful manual BIT activates
the alarm relay for approximately
3 seconds (default).

NO: Successful manual BIT does not
activate the alarm relay.
Auxiliary Relay
2)
2) only available in wiring option 4 and 5

YES: Activate auxiliary relay at warning
level.

NO: Activate auxiliary relay at alarm
threshold (default).
(The auxiliary relay is latched only when the
programmable function Auxiliary Relay is
set to YES.)
Auxiliary BIT
1, 2)

YES: Successful manual BIT activates
the auxiliary relay for approximately
3 seconds (default).

NO: Successful manual BIT does not
activate the auxiliary relay
EOL
2)

YES: Auxiliary relay is used as End of
Line.

NO: Auxiliary relay operates in
accordance with both auxiliary relay
and auxiliary BIT settings (default).