W3 Loop Detector
     
     
     
　
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LD260 2-Channel Vehicle Loop Detector
Specification:
•  Power Supply: 220VAC/120VAC/12VDC
•  Current: <50mA
•  Detect time: <25ms
•  Sensitivity: Eight levels
•  Output: Relay 1 and 2, capacitor 110VAC/3A, 24VDC/5A current
•  Indicator: One red LED indicator for power and two green LED indicator for channel detection
•  Dimension: L76W42H74mm
•  Weight: 330g
•  Connector: PF113A
•  Frequency: 20-80KHz +
•  Operation: Temperature -40~85 ℃ Humidity 5%~95%
　
Connectors: Please refer to the input power, loop connectors and output connectors
　 Type
Pin LD261 LD262 LD263 LD264
1 110 V 220 V 12 V 24 V
2 110 V 220 V 12 V 24 V
3 CH1 Loop
4 Ch1 Loop
5 CH2 Loop
6 CH2 Loop
7 CH1 Relay Output N.O.(default) (1.2 short cut in JUMP PIN1 inside the detector)/ N.C.(2,3 short cut in JUMP PIN1 inside the detector)
8 CH1 Relay Output N.O.(default) (1.2 short cut in JUMP PIN1 inside the detector)/ N.C.(2,3 short cut in JUMP PIN1 inside the detector)
9 Ground
10 CH2 Relay Output N.O.(default) (1.2 short cut in JUMP PIN2 inside the detector)/ N.C.(2,3 short cut in JUMP PIN2 inside the detector)
11 CH2 Relay Output N.O.(default) (1.2 short cut in JUMP PIN2 inside the detector)/ N.C.(2,3 short cut in JUMP PIN2 inside the detector)
　
Operation Panel and Switches:
• 1. POWER LED: Red LED Indicator. If it is in full lit, power is supplied.
• 2. CH1 LED: Green LED Indicator. If it is in full lit, a vehicle on Loop 1 is detected. If it is blink, the Loop 1 is wrong.
• 3.CH2 LED: Green LED Indicator. If it is in full lit, a vehicle on Loop 2 is detected. If it is blink, the Loop 2 is wrong.
• 4.SW1: CH1 LOOP Function Selection

      (1) DIP 1 Special Sensitivity Increase For Trailer(Both Channels).
DIP NO. DIP MODE Function
DIP 1 □■ ON Increase sensitivity for both channel to avoid unwilling relay OFF for leaving vehicle especially for trailer

     (2) DIP 2 Automatic Reset(Both Channels)
DIP NO. DIP 2 Present Modes
DIP MODE □■ ON Vehicle can be permanent present. (no auto-reset, unless vehicle left or manual reset)
DIP MODE OFF ■□ Normal mode. (automatic reset after 10 minutes present of vehicle, used to solve the mistake operation. It is recommended)

     (3) DIP 3 Direction Detection(Both Channels)
DIP NO. DIP 3 Detection Mode
DIP MODE □■ ON Direction Detection->(If vehicle is from CH1 to CH2, then CH1 Relay output; if vehicle is from CH2 to CH1, then CH2 relay output.
DIP MODE OFF ■□ Normal mode, two loop detections are separated

     (4) DIP 4 CH1 Relay Output Types
DIP NO. DIP 4 CH1 Relay Output Types CH1 Vehicle Present
DIP MODE OFF ■□ CH1 relay will be present output CH1 Relay Output
DIP MODE □■ ON CH1 relay output type is pulse for 600ms CH1 Relay Output

     (5) DIP 5 CH1 Relay Pulse Output Types
DIP NO. DIP 5 CH1Relay Pulse Types CH1 Vehicle Present
DIP MODE OFF ■□ When vehicle going into, CH1 relay is in pulse output for 200ms CH1 Relay Output
DIP MODE □■ ON When vehicle left loop, CH1 relay will delay 200ms and give a pulse output for 600m CH1 Relay Output

     (6) DIP 6 & DIP 7 & DIP 8 CH1 Sensitivity Selection. Eight Level Choices
DIP NO. DIP 6 DIP 7 DIP 8 Sensitivity (%)
DIP MODE □■ON□■ON □■ON 0.015
DIP MODE □■ON□■ON OFF■□0.02
DIP MODE□■ONOFF■□ □■ON0.04
DIP MODE□■ONOFF■□ OFF■□0.08
DIP MODEOFF■□□■ON □■ON0.12
DIP MODEOFF■□□■ON OFF■□0.2
DIP MODEOFF■□OFF■□ □■ON0.5
DIP MODEOFF■□OFF■□ OFF■□0.8

     (7) DIP 9 & DIP 10 Frequency (30K~100KHZ). Used to avoid the interference
DIP NO. DIP 9 DIP 10 Frequency
DIP MODE OFF ■□ OFF ■□ High(Hi)
DIP MODE □■ ON OFF ■□ Medium-High(Med-Hi)
DIP MODE OFF ■□ □■ ON Medium-Low(Med-Low)
DIP MODE □■ ON □■ ON Low(Low)

•  5.SW2: CH2 LOOP Function Selection
      a ) DIP 1 CH2 Relay Output Type Selection: Same as CH1 SW1-DIP4
      b )  DIP 2 CH2 Relay Pulse Output Type Selection: Same as CH1 SW1-DIP5
      c )  DIP 3 & DIP 4 & DIP 5 CH2 Sensitivity Selection: Same as CH1 SW1-DIP 6 & DIP 7 & DIP 8
      d )  DIP 6 & DIP 7 CH2 Frequency Selection: Same as CH1 SW1-DIP 9 & DIP 10
      In the application of many loops which are nearby, the frequency may require be changed to avoid interference.
•  6.RESET Button: Press the RESET button will reset the detector. Reset is normally used after any DIP change and installation.
　
Installation and Diagnoses:
• 1. Please refer the upside diagrams for loop size and installation
• 2. We recommend to use 0.75mm2 multi-core copper wire. The total wire length include feeder can be up to 500m.
• 3. The loop should be rectangular and avoid any right angle. The recommended length is from 1.0m-2.0m, the recommended width is from 0.8m-1.2m.
• 4. The perimeter and no. of turns:
Perimeter No. of Turns
3 - 4 m6
4 - 6 M5
6 - 10 m4
10 - 20 m3
20 m – up2
• 5. The feeder must be twisted once per 15mm.
• 6. More turns, lower frequency. Less turns, higher frequency.
• 7. Place the loop away from the moving metal.
• 8. Any vehicle can be detected, when the speed is less than 160km/h
• 9. Relay capacity, 110VAC/3A, 24VDC/5A.
• 10. If the detector is not working, please check as following
      a ) Press RESET.
      b ) If red LED indicator is not in full lit, please check power supplier.
      c ) If one or two green LED indicators blink, it may be: the relative loop is short cut or no. of turns is not enough(blink slowly); the relative loop is open or no. of turns is too many(blink fast).
      d ) No. of turns is not enough: change the frequency to lower. If frequency is still too high, you must add more turns.
      e ) No. of turns is too many: change the frequency to higher. If frequency is still too low, you must leave some turns. Only both loop is properly connected and not blink, then the detector is working
　
　
Tel:+86-21-66146557/60512057   Fax:+86-21-65917887
Address: Rm301, NO158,Guoding Rd,Shanghai , China
Http://www.advparking.com
E-Mail: carsonlung@hotmail.com