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4.3
Digital Communication Options
The FS24X Detectors have a variety of RS-485 Digital Communication options that can be selected using its
Rotary Switch SW3.
SW3 Position
0
1
2
3
4
5 through 9
4.4
Test Lamps
Some manufacturers claim that their detectors do not need remote testing with an external Test Lamp
because it tests itself. Even though Honeywell Analytics Detectors also perform "through the lens" self-testing
and tests themselves, Honeywell Analytics, in compliance with NFPA 72 codes, has developed portable test
lamps for periodical "end-to-end" testing their Detectors remotely. Some of the most important functions of
the remote test lamp are to ensure the Detector's optical path is not blocked, the Detector is aimed properly at
the fire threat area (that the Detector mounting bracket didn't move or was accidentally bumped by someone),
and the Detectors alarming circuitry and outputs (i.e. relays, 4-to-20 mA, etc.) function properly. Internal
Detector testing and window lens cleanliness testing cannot insure the Detector is aimed properly, that its view
of the fire scene has not been blocked by something such as a newly installed pipe or duct, storage box,
parked vehicle, etc., and its alarm outputs are functioning properly.
For calibrated testing, in compliance with NFPA 72 Codes for flame detectors, as manufacturers of the FSX
product line, our calibrated testing using our TL-2055 Test Lamp is as follows. If the FS24X set at Highest
Sensitivity alarms to a fully charged TL-2055 Test Lamp at a distance between 1 and 25 feet, then the FS24X
is in normal operating condition.
WARNING: Use test lamp model TL-1055 in non-hazardous locations only! For hazardous
TL-1055 is a general purpose NEMA 1 hand held
rechargeable Test Lamp designed for testing the
FS24X Detectors externally. The hand held Test
Lamp (see Figure 4-1) comes with a Universal
Charger (110 VAC and 220 VAC).
TL-1055 Hand Held Test Lamp (NEMA 1)
Honeywell
Outputs
4-20mA Current Sinking
4-20mA Current Sourcing
Modbus RTU
Reserved for Factory Use
II
FireBus
Reserved for Factory Use
locations, use model TL-2055, as described below.
Figure 4-1
Installation and Operating Manual
TL-2055 is a Class I, Div. 1 approved Explosion-Proof
Test Lamp designed for testing the FS24X Detectors
externally, in a hazardous location. The hand held
Test Lamp (see Figure 4-2) comes with a Universal
Charger (110 VAC and 220 VAC).
Figure 4-2
TL-2055 Hand Held Test Lamp (Class
I
, Division 1)
24
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