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BACNET SNOW/ICE SENSOR INTERFACE 681
Literature
IOM-T-681, IS-T-681, F-T-681, ES-T-681
Control
Microprocessor control. This is not a safety (limit) control.
Packaged weight
4.3 lb. (1960 g)
Dimensions
6.35" H x 5.13" W x 1.30" D (161 x 130 x 33 mm)
Display
3.5", color touchscreen
Enclosure
Blue PVC plastic, NEMA type 1
Approvals
BTL Certified & CAN ICES-003 (A) / NMB-003 (A) & FCC Part 15B (A)
Ambient conditions
-4 to 122°F (-20 to 50°C), < 90% RH non-condensing, outdoor use permitted
when used in NEMA 3 enclosure
Power supply
24 V (ac) ±10%, 50 and 60 Hz, 17 VA Class 2
Communications
BACnet MS/TP
Sensors
NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892
– Required
Snow/Ice Sensor 090 and Snow / Ice Sensor Socket 091 or Snow Sensor
095 & Slab Sensor 072 (depends on the bundle configuration)
– Optional
tekmar type: 070
Error Messages (2 of 2)
continued
Description
SNOW SENSOR BROWN WIRE ERROR
The Interface is unable to read the brown wire connected to sensor . Check the sensor brown and
black wires according to the sensor installation manual . Once the error has been corrected, the
error message automatically clears .
SNOW/ICE SENSOR ERROR
The Interface is unable to properly detect the sensor . Check the sensor brown, yellow, red and black wires
according to the sensor installation manual . It is important to check any cable splices for loose
wiring connections . Once the error has been corrected, the error message automatically clears .
SNOW SENSOR ERROR
The Interface is unable to properly detect the snow sensor . Check the snow sensor yellow, red and
black wires according to the sensor installation manual . Once the error has been corrected, the
error message automatically clears .
Technical Data
