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Loop Detector

Model Number: LD-1123-PAQ
The LD-1123-PAQ Loop Detector is designed to be used with gates or other vehicle detection systems. The unit connected to an input loop which is buried in the pavement. If a vehicle is over the input loop, the detector sends a signal to perform such actions as opening a gate, holding a gate open, or indicating that a vehicle is in a bay.
  • Single loop input
  • 3 Adjustable sensitivity settings
  • 2 Form "C" relay outputs
  • 11-Pin connector
  • ABS plastic housing
  • Power-on automatic reset
  • Automatic drift compensation for varying environmental conditions
  • Auto fault detection
  • Terminal block (LD-ACC-TB) included
  • Also Available: Wire Harness (LD-ACC-WH)
Sensitivity 3 levels of sensitivity
IP Rating IP54
Type Loop Detector
Current Draw Standby - 40mA@12VDC / 40mA@24VDC, Active - 50mA@12VDC / 60mA@24VDC
Loop induction range 80~300 µH
Operating Voltage 12~24 VAC/VDC
Reaction time 100ms
Vehicle detection mode Combines relays #1 and #2 to detect vehicle presence, with pulse on entry
Presence output Temporary (triggers relay #1 as long as vehicle is in the loop, times out after 5 minutes)
Pulse output Pulses relay #2 on entry
Fault output Relay #2 is continually energized and the green LED stays on
Pulse output time 200ms
LEDs Red - Power indicator, Green - Status indicator (vehicle detected or fault)
Input / Output protection Built-in surge and transient protection
Case material Black ABS plastic
Operating Humidity Up to 95% without condensation
Operating Temperature -40°~149°F (-40°~65°C)
Dimensions 2-15/16"x1-7/16"x3-5/16" (74x36x85 mm)
Weight 7.2-oz (203g)