MSA FL500 - Page 28

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Operation
FL500 UV/IR Flame Detector
US
Fig. 17 DIP Switch Location
On the DIP switch, the nomenclature "ON/CLOSED" is used when the switch is pushed in on the side
labeled "ON" or "CLOSED" (opposite the side labeled "OPEN"). The nomenclature "OFF/OPEN" is
used when the switch is pushed in on the side with the number related to the switch position or the
side labeled "OPEN".
The time delay is the amount of time an Alarm Low condition continues before an Alarm High condition
occurs.
Option
Position 12345678910
High Sensitivity OFFOFF--------
Medium Sensitivity ONOFF--------
Low Sensitivity OFFON--------
2-second Alarm Time Delay--OFFON------
4-second Alarm Time Delay--OFFOFF------
8-second Alarm Time Delay--ONOFF------
10-second Alarm Time Delay--ONON------
Alarm High Non-Latching ----OFF-----
Alarm High Latching ----ON-----
Alarm Low Non-Latching -----OFF----
Alarm Low Latching -----ON----
Alarm High Normal Energized------ON---
Alarm High Normal
De-Energized
------OFF---
Alarm Low Normal Energized-------ON--
Alarm Low Normal
De-Energized
-------OFF--
Alternate LED ---------ON
HART Enabled --------ON-