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681 | BACnet Snow / Ice Sensor Interface MS/TP | Tekmar
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Overview
Details for 681
BACnet Snow / Ice Sensor Interface MS/TP
The BACnet Snow/Ice Sensor Interface 681 is designed to measure the presence of snow/ice and interfaces with the Building Automation System (BAS) to operate electric or hydronic snow melting systems. The 681 uses tekmar® sensor technology to automatically detect snow or ice, and upon detection communicates with the BAS through BACnet MS/TP. This operation allows the BAS to automatically turn on/off and provide operational status for a snow melting system. The 681 is suitable for any snow melting commercial application including, hospitals, schools, airports, ski resorts, business entrances, driveways, loading docks, and shopping malls.
Features
- Slab target temperature
- Automatic snow / ice detection
- Supports both in-slab and retrofit aerial sensors
- Supports both DIN rail and backplate mount
- Error codes
- Warm weather shut down
- Melt pending
- Cold weather cut off
- BACnet MSTP communication
Specifications
Item Number | 681 |
Brand | Tekmar |
Agency Approvals | FCC Part 15, BTL Listed |
Ambient Conditions | Minus 4 to 122 degrees F (-20 to 50 degree C), less than 90 percent RH non-condensing, outdoor use permitted when used in NEMA 3 enclosure |
Communications Type | BACnet MSTP |
Control Type | Microprocessor control, this is not a safety (limit) control |
Dimensions | 6.34" (161mm) H x 5.13" (130mm) W x 1.30" (33mm) D |
Display | 3.5" color touchscreen |
Enclosure Material | PC+ABS plastic |
Enclosure NEMA Rating | NEMA 1 |
Power Supply | 24 V (ac), 50 and 60 Hz |
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