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76-M-6010-02-02
F-Guard IR3 HD User Manual
Outputs
•
Relays: Volt-free contacts rated 2A at 30 VDC
o
Alarm: Normally open
o
Auxiliary: Normally open
o
Fault
: Closed when energized
•
0-20mA (stepped) current output: 3 wire and 4 wire configurations (sink and source).
HART® 7.
The 0-20 mA output at different detectors statuses are defined at the below table.
The max load is 500 ohms at 18-32 VDC. The 0-20 mA is sink isolated and can
be configured as source.
Detector status
Output
Fault
0
mA or 1
mA ±0.1mA
BIT Fault
2
mA ±0.2mA
Dirty window warning
3 mA ±0.2mA
Normal
4
mA ±0.2mA
Pre-alarm
16 mA ±0.3mA
Alarm
20
mA ±0.3mA
•
Tri-colour LED indication
•
Modbus RTU compatible Protocol on RS-485
•
Digital Video: IP network IEEE 802.3 10Base-t
Mechanical Specifications
•
Size:
7.87 x 5.12× 5.12″ (200×130×130mm)
•
Weight:
o
Detector (Stainless Steel 316): 9.8 lbs. (4.4 kg)
o
Tilt mount (Stainless steel 316): 5.4 lbs. (2.4 kg)
Environmental Specifications
•
Temperature Range:
o
Operating and storage
-67°F to + 185°F (-55°C to +85°C)
•
Humidity: up to 99%, non-condensing
•
Ingress Protection: IP66 & IP68 (2m, 24hr); NEMA 4X & 6P
2
The FAULT relay will normally be energized and the contact will be closed during normal operation of
the detector. The contact will be open at fault condition or low voltage.
