Rear Panel DIP Switch Selections Relay 1 Extend switch 1 is for extending the detector output after the vehicle has left the loop. Switch 1 in the OFF position provides no extension. Switch 1 in the ON position provides a 5 second extension once the vehicle leaves the loop. This extension applies to relay 1 only. Delay switch 2 is for providing a 2 second delay, detector will ignore the vehicle until the vehicle has been present over the loop for 2 seconds. Switch 2 in the OFF position provides no delay. Switch 2 in the ON position provides for the 2-second delay. This delay applies to relay 1 only. Presence Time switch 3 provides for either a 1 hour 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. (Other options are available). Relay 2 Pulse Length switch 4 provides for either a 250mS pulse length or a 500mS pulse length. Switch 4 in the OFF position provides a 250mS (standard) pulse length. Switch 4 in the ON position provides a 500mS pulse length. Operating Mode switch 5 and switch 6 determine the operating mode for Relay 2. The four modes are as follows: Switch 5 and switch 6 OFF provides pulse-on-entry. Switch 5 ON & switch 6 OFF provides pulse-on-leaving. Switch 5 OFF & switch 6 ON provides for presence. Switch 5 and switch 6 ON provides a fault output. Front Panel Selections Sensitivity controlled by front panel rotary switch. - 0 = Low sensitivity - 9 = High sensitivity Medium sensitivity is used for most applications; this is a setting of 4 or 5. Always use the lowest sensitivity setting that detects the desired vehicles. Frequency four separate settings controlled by front panel. DIP switches. - 2+1 = High. - 2+0 = Medium High. - 1+0 = Medium Low. - 0+0 = Low. Reset front panel reset performs a hard reset of the detector. Ordering Information: Unit Voltage Part # 120 VAC NP2-120 | Factory Settings - Set to HI frequency. - Set to Medium sensitivity (5). - Extend/Delay in the OFF position. - Presence time set to 1 hour. - Pulse length set to 250msec. - Relay 1 = fail-safe. - Relay 2 = fail-secure. Relay Output Rating: 7A 277VAC/30VDC. Power: 120 VAC (70mA DC or 1W AC) Inductance Range: 20uH to 1500uH. Temperature Range: -30 F to +180 F. Lead-In Length: up to 2500 ft. with proper lead-in and loop. Mechanical: 1 3/8 w X 3 3/32 h X 3 ½ l. Weight: 8 oz. Supply Voltage incorrect voltage supplied to the unit will not result in damage, the unit will simply not operate until correct voltage is supplied. No fuses need to be reset. Indicators front panel indicators include: - Power Green, solid with correct power supplied. - Relay 1 Red, solid during detect. - Relay 2 Red, solid during detect. - Fault Yellow, solid during current fault, flashing for historical fault. Sensitivity Boost automatic during detect except in the highest sensitivity setting (9). Factory Options: - Presence lengths of 15, 30, 60 minutes or permanent. - Pulse lengths of 250mS, 500mS, 1, 2 or 4 seconds. - Extend times of 0, 2, 5 or 10 seconds. - Delay times of 0, 1, 2 or 4 seconds. - Relay 1 fail-safe or fail-secure. - Relay 2 fail-safe or fail-secure. Note: Bold indicates standard configuration from the factory. Connector 11P Amphenol Pin # Function Color 1 Power (+) Black 2 Power (-) White 3 Relay 2 N.O. Orange 4 Ground Green 5 Relay 1 Com Yellow 6 Relay 1 N.O. Blue 7 Loop Gray 8 Loop Brown 9 Relay 2 Com Red 10 Relay 1 N.C. White/Blk 11 Relay 2 N.C. White/Red Note: The above connection is shown with correct power supplied and no vehicle present. |
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