Det-Tronics PIRECL Infrared Hydrocarbon Gas Detector PointWatch Eclipse - Manual (Page 5)

3 95-8526 14.2
SpEcificationS
InPut VoLtaGE (all Models)—
24 Vdc nominal. Operating range is 18 to 32 Vdc.
Ripple cannot exceed 0.5 volts P-P.
PoWER ConSuMPtIon (all Models)—
Detector without relays
4.0 watts nominal @ 24 Vdc
7.5 watts peak @ 24 Vdc
10 watts peak @ 32 Vdc.
Detector with relays
5.5 watts nominal @ 24 Vdc
8.0 watts peak @ 24 Vdc
10.0 watts peak @ 32 Vdc.
tEMPERatuRE RanGE—
Operating: –40°C to +75°C (–40°F to +167°F).
Storage: –55°C to +85°C (–67°F to +185°F).
HuMIDItY—
0 to 99% relative humidity (Det-Tronics verified).
5 to 95% relative humidity (FM/CSA/DEMKO verified).
GaS DEtECtIon RanGE—
0 to 100% LFL standard. Other ranges are configurable
(down to 20% full scale).
DEtECtaBLE GaSES—
Model PIRECL is provided with field-selectable settings
for linear measurement of methane, propane, ethylene,
and butane. Model PIRECL is performance certified for
detection of methane, propane, ethylene, and butane,
and is shipped from the factory calibrated and set for
the customer’s choice of one of these gases. Digital
communication (such as HART) is required to confirm the
current setting and change it if required. In addition to the
gases listed above, the Eclipse is capable of detecting
many other hydrocarbon gases and vapors, with settings
provided for gases such as ethane and propylene. For
detection of gases other than the four certified gases,
performance characteristics / transfer curves are
available. Please consult the factory for details.
DEtECtoR ConFIGuRatIon oPtIonS—
A significant number of PIRECL configuration parameters
are field programmable including gas type, measurement
range, alarm setpoints, tag number, special notations,
password protection, etc. Details are provided in the
HART Communication Appendix. Three PIRECL field
configuration programming methods are supported:
– HART Communication
– EQP System S3 Software
– RS-485 MODBUS Communication
tHIRD PaRtY aDDRESSaBLE MoDuLE (optional)—
Input Voltage: 30 Vdc.
Input Current: 30 mA.
SHoRt CIRCuIt CuRREnt
(non-Relay output Versions only)—
Power Supply Short Circuit Current (Isc): 5.4 amperes*
Short Circuit Current on Fused Line: 3.1 amperes*
Power Supply Max Voltage: Um = 250V**
* For installations in accordance with Increased Safety
wiring practices.
** For intrinsically safe HART communication port.
WaRM-uP tIME (all Models)—
Device enters normal mode after two minutes upon cold
power-up. One hour warm-up time is recommended
for optimum performance. Signal output level during
warm-up is programmable.
CuRREnt outPut (Standard Models only)—
Linear 4-20 mA (current source/sink, isolated/non-
isolated) rated at 600 ohms maximum loop resistance @
24 Vdc operating voltage.
VISuaL StatuS InDICatoR (all Models)—
Tri-color LED:
Red = Low alarm, high alarm, or calibration.
See Table 1 for Details.
Green = Power on / OK
Yellow = Fault or warm-up.
RELaY outPutS (optional)—
(Available on Ex d approved models only, not available
on Eagle Premier model).
aLaRM RELaYS—
Low and High
Form C Type (NO/NC).
De-Energized during Normal mode, Energized on Alarm.
Contact Rating: 5 amperes at 30 Vdc.
Programmable for Latching or Non-Latching Operation.
Setpoint Range (both): 5-60% LFL.
Note: Low alarm range for EQP model is 5-40% LFL.
Factory Default Settings:
Low: 20% LFL – Non-latching
High: 50% LFL – Non-latching
Alarm relay programming can be accomplished using
HART or MODBUS.
CaUtIon
When the PIRECL Gas Detector is used in
conjunction with an appropriate certified Control
Unit and configured for a non-latching high alarm,
the control unit must
always latch and require a
deliberate manual action to clear a high gas alarm.
When used as a stand alone device, the high alarm
must always be programmed for latching operation.