47-153 / 47-154 , Rev. A, Aug 15, 2019
14
Figure 12. RS-485 Networking
5 Technical Specification
ZT-20EX (UV/IR)
ZT-500EX (IR3)
GENERAL SPECIFICATION
Spectrum Response
UV/IR (Dual Bands)
Triple IR bands
Detection Range
Fuel
Distance
n-Heptane
30m
Gasoline
30m
Diesel
20m
LPG*
20m
Ethanol
20m
IPA
25m
Methane**
20m
*0.5m-high/0.2m-wide
plume fire
**30
” plume fire
Fuel
Distance
n-Heptane
65m
Gasoline
65m
Diesel
45m
LPG*
30m
Ethanol
40m
IPA
40m
Methane**
35m
*0.5m-high/0.2m-wide
plume fire
**30
” plume fire
Response Time
Typically 5 seconds
Adjustable Time Delay
1/3/5/7 seconds
Sensitivity Range
4(four) ranges
Field of View
Horizontal 90
°
, Vertical 90
°
Temperature Range
Operation/Storage: -40
℃
to 75
℃
Humidity
Up to 95% non-condensing
ELECTRICAL SPECIFICATION
Operating Voltage
24VDC nominal (18-32VDC)
Power Consumption
Standby: max.65mA , Alarm: max.80mA
Cable Entry
1 x M20 (ISO)
Wiring
AWG 16-26 (Str 1.5mm
2
to 0.13mm
2
)
Electromagnetic Compatibility
EMI/RFI protected to EN61000 series
OUTPUTS
Relays
Alarm(N.O/ N.C selectable), Fault(N.C)
Power Supply
DC24V(+)
Return(-)
RS485
COMPUTER
PORT
Control Panel
1
2
7
8
J4
J1
1
2
7
8
J4
J1
1
st
Detector
Last Detector
Содержание ZT-20EX
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Страница 12: ...47 153 47 154 Rev A Aug 15 2019 12 Figure 10 4 20mA Output Jumper Placement ...