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LD200

DUAL VEHICLE LOOP DETECTOR

The LD200 is a dual channel inductive loop detector. The use of microprocessor based technology enables a large number of functions to be incorporated into a small package.

Typical applications include safety loops, arming loops and entry or exit loops.

Standard features of the detector are :

· Reset Switch.

The reset switch enables the detector to be manually reset during commissioning and testing. This results in the detector re-tuning the sensing loops and becoming ready for vehicle detection.

 

· Switch selectable Sensitivity.

Eight sensitivity settings are available on the switches to allow flexibility in configuration.

1 High 0.01% 5   0.2%
2   0.02% 6   0.5%
3   0.05% 7   1%
4   0.1% 8 Low 2%

· Pulse Relay Selection.

The detect relay may be configured for a pulse output, and to energise on detection of a vehicle or when the vehicle leaves the loop.

· Selectable N/O or N/C relay output.

Internal jumpers enable the output relay contacts to be configured for normally open or normally closed contacts.

· Direction Logic

This feature enables the detector to give a pulse output on relay1 for a vehicle traveling from loop1 to loop2 and a pulse output on relay 2 for a vehicle traveling from loop2 to loop1.

· Selectable Extend Time.

When switched on this feature extends the output for 2 Seconds.

· Loop Fault Indicator.

This LED Indicator is illuminated when the loop is either open circuit or short circuit and is used to give a visual indication of a faulty loop.

TECHNICAL DATA

1. POWER REQUIREMENT:

LD200 - 220VAC (+/- 15% ) 50Hz.
LD201 - 110VAC (+/- 15% ) 60Hz.
LD202 - 12/24VAC/DC (+/- 15%).

2. PRESENCE/PULSE RELAY : 0.5A/220VAC.

3. INDICATOR: LED indicator which shows state of loop detector.

4. DETECTOR TUNING RANGE: 15 - 1500 uH.

5. PROTECTION: Loop isolation transformer with zener diode and MOV.

6. CONNECTOR: 11 Pin Connector on rear of unit.

7. DIMENSIONS: 85mm (HIGH) X 40mm (WIDE) X 79mm (DEEP)

8. OPERATING TEMPERATURE: -40°C to +80°C

9. STORAGE TEMPERATURE: -40°C to +85°C

10. HUMIDITY: up to 95% non condensing

11. Complies with EMC Directive 89/336/EEC and Low Voltage Equipment Directive 73/23/EEC.

 

 

 

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