LC20-1-DR230VAC PF | Alldatasheet

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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 < Various operating modes available < Boost function for increasing sensitivity < Test function < Version with 1 loop channel Sensor system for detecting vehicles, one loop, DIN rail mounting, 230 VAC Function In combination with wire loops laid in the floor, loop detectors form a universal sensor system for detecting vehicles. When vehicles drive onto the loop, the resonance frequency changes. Intelligent automatic frequency selection (AFS) reduces setup time and simplifies the installation of complex multi-lane entrances. The evaluation process automatically and cyclically adjusts to the respective loop, so that changes in loop inductance due to temperature, humidity or component ageing are automatically compensated. Dimensions 92.7 41 104 Technical Data General specifications Adjustment range Sensitivity ΔL/L 4x adjustable on the front panel Function principle Inductive loop Marking CE Presence time One hour for 3 % ΔL/L and option for permanent presence Self-tuning range 20 μH ... 1500 μH Operating frequency 4x adjustable on the front panel: 12 kHz ... 80 kHz (with AFS switched off) Operating mode Pulsed and continuous signal Indicators/operating means Function indicator 1 x red LED: Power supply/Status , 1 x green LED: Channel status Control elements DIP-switch , Refer to the documentation for functions Release date: 2020-10--

08 Date of

Release date: 2020-10-08 Date of issue: 2020-10-08 Filename: 70100657_eng.pdf Germany: +49 621 776 1111 Pepperl+Fuchs Group Refer to "General Notes Relating to Pepperl+Fuchs Product Information". USA: +1 330 486 0001 Singapore: +65 6779 9091

Operating voltage UB 230 V AC ±15 % No-load supply current I0 ∅ 8.36 mA Power consumption P0 ∅ 1.92 VA Input Number of channels 1 Output Output type relay Signal output Two output relays Relay 1: presence output Relay 2: pulse output Switching current Relay 1 (presence output): 1 A at 230 V AC Changeover contacts (fail-safe) Relay 2 (pulse output) max. 1 A at 230 VAC changeover contacts (not fail-safe) Pulse length 150 ms or 250 ms (selected via switch) Response time 200 ms ... 300 ms Directive conformity Radio and telecommunication terminal equipment 2014/53/EU Approvals and certificates FCC approval FCC 47 CFR Part 15 Ambient conditions Relative humidity max. 90 % , non-condensing Mechanical specifications Degree of protection IP30 Connection 2 x 6 plug-in screw terminals ≤1.5 mm2 Material Housing ABS, anthracite Installation DIN mounting rail Mass 250 g Loop detector LC20-1-DR 230VAC Release date: 2020-10-08 Date of issue: 2020-10-08 Filename: 70100657_eng.pdf Germany: +49 621 776 1111 Pepperl+Fuchs Group Refer to "General Notes Relating to Pepperl+Fuchs Product Information". USA: +1 330 486 0001 Singapore: +65 6779 9091

L N n. c. Presence relay Pulse relay Loop Function Power supply Loop

2 Loop

230 V ±10 % AC 50/60 Hz

3 Earth

12 Relay 2 NO presence contact

6 n. c.

10 Relay 2 NC presence contact

11 Relay 2 COM presence contact

L N DIN mounting rail socket Pin assignment Assembly 654321 12 11 10 987 ON ON LIMIT INFINITE DET AFS RLY ASB SENS FREQ 1 2 3 4 5 6 7 8 9 10 ON POWER CH1 RESET UND 150ms 250ms Pos. No. Operating Elements

1 LED power supply

2 LED channel 1

3 DIP switch

4 Reset button

5 DIN mounting rail socket

Loop detector LC20-1-DR 230VAC Release date: 2020-10-08 Date of issue: 2020-10-08 Filename: 70100657_eng.pdf Germany: +49 621 776 1111 Pepperl+Fuchs Group Refer to "General Notes Relating to Pepperl+Fuchs Product Information". USA: +1 330 486 0001 Singapore: +65 6779 9091

Matching system components LC20-DT Bluetooth diagnostic unit for installation and diagnostics of LC20 detection loops Loop detector LC20-1-DR 230VAC Release date: 2020-10-08 Date of issue: 2020-10-08 Filename: 70100657_eng.pdf Germany: +49 621 776 1111 Pepperl+Fuchs Group Refer to "General Notes Relating to Pepperl+Fuchs Product Information". USA: +1 330 486 0001 Singapore: +65 6779 9091

Release date: 2020-10-08 Date of issue: 2020-10-08 Filename: 70100657_eng.pdf LC20-1-DR 230VAC Germany: +49 621 776 1111Pepperl+Fuchs Group Refer to "General Notes Relating to Pepperl+Fuchs Product Information". USA: +1 330 486 0001 Singapore: +65 6779 9091 Loop detector Presence Time: DIP Switch 10 The presence time setting determines how the detector tracks a detect. The following two selection modes are available: permanent presence and limited presence.

  • Permanent presence mode: This setting ma intains the presence of a vehicle over the loop by continuously compensating for all environmental changes.
  • Limited presence mode: This setting limits the presence of a vehicle over the loop with the presence time being related to the size of the detect. Typically, a 1 %  L/L will time out after approximately 1 hour. Pulse on Detect or Undetect: DIP Switch 9 The pulse relay offers the following settings:
  • Pulse on detect: Relay issues a pulse when detecting a vehicle drives on the loop.
  • Pulse on undetect: Relay issues a pulse when detecting a vehicle that leaves the loop. Pulse Length: DIP Switch 8 The pulse length of the pulse relay can be set to either 150 ms or 250 ms. Automatic Frequency Selection (AFS): DIP Switch 7 Decide whether to use AFS or not.
  • AFS on: The detector briefly evaluates all 5 frequency bands an d selects the best operating frequency available. The tuning time with AFS switched on ranges between 5 s …20 s.
  • AFS off: Select the frequency manually. Fail-safe or Fail-secure: DIP Switch 6 Determine how the relay output of the presence relay is switched. Set the DIP switch to "Fail-Safe" or "Fail-Secure".
  • Fail-safe setting: The output of detect is equivalent to powering off the sensor. This setting is used for access controls if persons are not to be locked out in the event of a power failure. A signal is output due to a valid detection situation or in the event of a power failure/ an error.
  • Fail-secure setting: The output of non-de tect is equivalent to powering off the sensor. This setting is used for access controls if persons should not be able to access the sensor in the event of a power failure. A signal is only issued due to a valid detection situation. Automatic Sensitivity Boost (ASB): DIP Switch 5 Use ASB to alter the undetect level of the sensor if required.
  • ASB on: Boosts the sensitivity level to a maximum for detecting a vehicle, irrespective of the current sensitivity level maintained at this level during the entire presence of the vehicle over the loop. When the vehicle leaves the loop and the detection is lost, Programming Teach-In NO NC NO NC Presence Relay Fail Secure Fail Safe Relay Loop not covered Loop covered Error Power off (No detection) (Detection) NO NC Pulse Relay Error Power off Ready At an event

Release date: 2020-10-08 Date of issue: 2020-10-08 Filename: 70100657_eng.pdf LC20-1-DR 230VAC Germany: +49 621 776 1111Pepperl+Fuchs Group Refer to "General Notes Relating to Pepperl+Fuchs Product Information". USA: +1 330 486 0001 Singapore: +65 6779 9091 Loop detector the sensitivity level reverts to the pre-selected level. ASB is used for vehicles with high beds or vehicles towing trailers to ensure detection over the entire length of the vehicle.

  • ASB off: Sensitivity level rema ins unboosted during detection. Sensitivity: DIP Switches 3 and 4 The sensitivity of the detector determines the change in inductance required for detection. The loop detector offers up to 4 sensitivity settings. Sensitivity is defined as the change in inductance. The inductance of the loop detector ranges from Manual Frequency Selection: DIP Switches 1 and 2 Use the frequency switches to set the operating frequency of the detector. If more than one detector is used at the same location, it is necessary to set a different frequency for each detector to avoid crosstalk (interference) between adjacent loops connected to different detectors. Make sure that the loops of the detectors used are at least 2 m apart between the adjacent ends. Set each detector used at the same location to a different frequency. Operation Push Button for Detector Reset and for Accessing Power Failure Function Use the multipurpose button either to reset the detector if required or to access the power failure function. The loop detector has a power failure function. In the event of a power failure, the function detects a present vehicle on the loop. This function is designed for fail-safe situations to maintain pulse output status and prevent pulse output failure in the event of a power failure. Use the Reset push button in the following cases:
  • Reset the detector.
  • Switch the power failure function on/off. The function of the reset push button depends on the duration of pushing it down (=holding time): Functional Principle Loop detectors are control devices that are fully functional by connecting the supply voltage and an induction loop without the requirement of any additional devices. The induction wire loop laid in the floor has the inductance of a high-frequency oscillating circuit. When a vehicle drives or stands on the wire loop, the vehicle's metal parts change the frequency of the oscillating circuit. The loop detector evaluates this change and outputs it as a switching signal via volt-free relay contacts. The switching outputs are relay contacts with a high switching capacity. The spatial extent of the detection range can be varied by the size and shape of the induction loops used. DIP Switch 4 DIP Switch 3 Sensitivity right right (0.01 %) - high sensitivity left right (0.02 %) - medium high sensitivity right left (0.05 %) - medium low sensitivity left left (0.10 %) - low sensitivity DIP Switch 4 DIP Switch 3 Frequency Right Right High frequency Left Right Medium high frequency Right Left Medium low frequency Left Left Low frequency Use Operating element Purpose Holding time Function description Push button Reset 3 s Starts the reset of the detector. Show power fail state 10 s Hold for 10 seconds, to analyze the state of the power fail. If LEDs are ON, the Power Fail Toggle is ON. If LEDs are OFF, the Power Fail Toggle is OFF. Power Fail Toggle 30 s After 30 seconds the Power Fail Toggle is OFF if the LEDs turn OFF. If the LEDs turn ON after 30 seconds, the Power Fail Toggle is ON. Application

Release date: 2020-10-08 Date of issue: 2020-10-08 Filename: 70100657_eng.pdf LC20-1-DR 230VAC Germany: +49 621 776 1111Pepperl+Fuchs Group Refer to "General Notes Relating to Pepperl+Fuchs Product Information". USA: +1 330 486 0001 Singapore: +65 6779 9091 Loop detector

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