Northstar Controls NP2-PLUS-12-24VDC Loop Detector
The Northstar Controls NP2-PLUS-12-24VDC is an 11-pin inductive loop detector operating on 12–24V AC/DC, featuring a digital display, bar graph, dual relay outputs, and adjustable sensitivity for access control and traffic management applications.
Overview
The Northstar Controls NP2-PLUS-12-24VDC is an inductive loop detector designed for residential, commercial, and industrial access control and traffic management systems. It connects via an 11-pin Amphenol-style socket and features a 7-segment multifunction display and LED bar graph for real-time diagnostics and system monitoring. The relay base or wiring harness is sold separately.
Key Features
- Low Voltage Operation: Operates on 12 to 24 volts AC/DC, consuming a maximum of 60mA
- Dual Relay Outputs: Primary and secondary relays supporting normal and fail-safe operations
- Adjustable Sensitivity: Front-panel UP/DOWN arrow buttons allow sensitivity adjustment; factory default is set to 5
- Frequency Modulation: Multiple frequency settings to reduce cross-talk and interference with adjacent systems
- Real-Time Diagnostics: LED indicators and 7-segment multifunction display for troubleshooting and system monitoring
- Operating Temperature: -30°F to +180°F
- Extended Lead-In Support: Compatible with loops featuring lead-ins up to 2,500 feet
Specifications
- Supply Voltage: 12 to 24 volts AC/DC, 1VA max
- Relay Output Rating: 125VAC, 60VDC, 1A max
- Inductance Range: 20µH to 1500µH
- Connector: 11-pin Amphenol-style socket
- Dimensions: 3.25" x 3.75" x 1.375"
- Detection Type: Inductive
The Northstar Controls NP2-PLUS-12-24VDC delivers precise, reliable vehicle detection for access control and traffic management installations.
