Pepperl+Fuchs LC20-2-RB 12-24VAC/DC
Loop detector

Pepperl+Fuchs LC20-2-RB 12-24VAC/DC
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  • Sensor system for vehicle detection
  • Complete control interface for inductive loops laid beneath the surface
  • Reliable detection with long service life
  • Boost function for increasing sensitivity
  • Test function
  • Version with 2 loop channels
  • Version with direction detection
Item Number: LC20-2-RB 12-24VAC/DC
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  • Overview
  • Comments
Response time200 ms ... 300 ms
Mass250 g
Operating temperature-40 ... 70 В°C (-40 ... 158 В°F)
Signal outputOne configurable relay output per channel
Connection11-pin plug-in base
Installation11-pin plug-in base
Presence timeOne hour for 3 % ΔL/L and option for permanent presence
Control elementsDIP-switch , Refer to the documentation for functions
Function indicator1 x red LED: Power supply/Status , 2 x green LED: Channel status
Radio and telecommunication terminal equipment2014/53/EU
Operating frequency4x adjustable on the front panel: 12 kHz ... 80 kHz (with AFS switched off)
Power consumption∅ 0.64 VA
Relative humiditymax. 90 % , non-condensing
Function principleInductive loop
Switching currentRelay outputs 1 A at 230 V AC
Number of channels2
FCC approvalFCC 47 CFR Part 15
Storage temperature-40 ... 70 В°C (-40 ... 158 В°F)
No-load supply current∅ 40.17 mA
Operating voltage12 ... 24 V AC/DC В± 15%
Adjustment rangeSensitivity ΔL/L 4x adjustable on the front panel
0.01 % ... 0.1 % with ASB overwrite option
Operating modePulsed and continuous signal
Self-tuning range20 μH ... 1500 μH
Switching stateLED
Pulse length150 ms or 250 ms (selected via switch)
Degree of protectionIP30


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