Quad Loop card for 4 drive thru lanes

Technical Summary

• Operating Modes:
  Independent channels, Directional Logic (2 groups), or Combined mode

• Calibration:
  Automatic with optional warm-up and autotuning

• Detection Type:
  Presence / Pulse, per channel

• Output Pulse Duration:
  Adjustable: 250 ms / 500 ms

• Presence Time:
  3 levels: Short / Medium / Long

• Filtering:
  2 steps: Normal / High

• Frequency Selection:
  4 presets: Low / Med-Low / Med-High / High

• Sensitivity:
  Max 0.0025% Δf/f, 8-step adjustment

• Response Time:
  8.5 ms (adjustable 3–12.5 ms)

• Startup Time:
  ~2 s per channel

• Loop Inductance:
  20–1000 μH

• Frequency Range:
  22–200 kHz

• Temperature Range:
  –35°C to +120°C

• Sensor Protection:
  Galvanic isolation, gas discharge tube, Zener diode

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