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Detection Products for the Traffic & Parking Industries

NP2 Installation and

Operation Manual

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Summary of Contents for NP2

Page 1: ...Detection Products for the Traffic Parking Industries NP2Installationand OperationManual ...

Page 2: ... P R O D U C T S F O R T H E T R A F F I C P A R K I N G I N D U S T R I E S Installation and Operation Manual Northstar Controls L L C 6147 Clark Center Avenue Sarasota Florida 34238 Phone 941 926 2454 Fax 941 926 2461 ...

Page 3: ...e Range Inductance Range Lead In Length Loop Frequency Rear Panel DIP Switch Settings 3 Relay 1 Delay Extend Presence Time Relay 2 Pulse Length Operating Mode Front Panel Selections 3 Sensitivity Frequency Reset Indicators Factory Settings 3 Sensitivity Boost Loop Installation Guide 4 5 Helpful Hints 5 ...

Page 4: ...4VAC 24VDC or 12VDC Specifications Size 1 3 8 wide x 3 3 32 high x 3 1 2 long Weight Eight 8 ounces approximate Relay Output Rating 7A 277VAC 30VDC Power Supply 240VAC 120VAC 24VAC 24VDC 12VDC Consumption 70mA DC or 1 Watt AC Temperature Range 30 to 180 Fahrenheit Inductance Range 20 to 1500 microhenries automatically tuned Lead In Length Up to 2500 feet with proper loop and lead in Loop Frequency...

Page 5: ...onds 2 seconds 4 seconds Standard configuration is 0 seconds and 2 seconds Presence Time switch 3 provides for either a 1hour presence or permanent presence Switch 3 in the OFF position provides for 1 hour of presence Switch 3 in the ON position provides for permanent presence The above presence settings apply to relay 1 only Presence times include 15 minutes 30 minutes 60 minutes permanent Standa...

Page 6: ... 7 between settings Reset front panel reset performs a hard reset of the detector Indicators Power Green solid with correct power supplied Relay 1 Red solid during detect Flashes for delay or extend Relay 2 Red solid during detect Fault Yellow solid during current fault flashing for historical fault Factory Settings Set to HI frequency Set to Medium sensitivity 5 Extend Delay in the OFF position P...

Page 7: ... change in frequency and inductance signaling the presence of a vehicle metal mass in the loop field The area where vehicles are to be detected determines the size of the loop Loops can be made in many sizes and shapes depending on detection needs Typically a square or rectangle loop is used providing maximum coverage and field height Depending on the perimeter of the loop a chart has been provide...

Page 8: ...eliable operation Crosslinked polyethylene is strongly recommended XLPE or XHHW Loop wire insulation must be able to withstand abrasion from pavement shifting moisture and oils Stranded wire is preferred over solid core because it is less likely to become damaged due to stretching and bending A megometer is used to test the loop for leakage to ground due to breaks in insulation When megging a loop...

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