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ELSEMA 

MD240-2 Vehicle Loop Detector  

- 7 - 

 

Dip switch 6 and 7 of CH2 

Function 

Frequency Selection 

Dip switch 6 and 7 is 

OFF

 

 

High 

Dip switch 6 is ON

 

 

Medium-High 

Dip switch 7 is ON

 

 

Medium-Low 

Dip switch 6 and 7 is 

ON

 

 

Low 

 
 
Setup Instructions 
 
Power Led 
 

RED power LED indicates “Power ON” 
 

Detecting Led 
 

Continuously On: Indicates vehicle detection. 
Blinking slowly: Indicates loop is short circuit or the number of twists after the loop is not enough. 
Blinking fast: Indicates loop is open circuit or too many twists after the loop. 

 

Power : Red Led

 

If it is fully lit, power is supplied. 

Green Led 

CH1 

If it is fully lit, a vehicle is detected on loop 1. If it blinks, then loop 1 is 

faulty.

 

CH2 

If it is fully lit, a vehicle is detected on loop 2. If it blinks, then loop 2 is 

faulty

 

 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for MD240-2

Page 1: ...the equipment to sense a change in the inductance of the loop as soon as it detects the metal object in its path The inductive loop which detects the object is made of insulated electrical wire 32 02...

Page 2: ...being the least sensitive and 0 015 being the most sensitive Dip switch 3 4 and 5 for CH2 sensitivity selection with 0 8 being the least sensitive and 0 015 being the most sensitive Dipswitch Settings...

Page 3: ...vehicle used to solve the mistake operation If it is recommended Dip switch Settings 3 of CH1 Function Special Functions Dip switch 3 is ON Direction Detection If vehicle moves from CH1 to CH2 then C...

Page 4: ...1 relay will delay 200ms and will give pulse output for 600ms Dip switch Settings 6 7 and 8 of CH1 Sensitivity Sensitivity Selection Eight Levels Choices Dip switch 6 7 and 8 is ON 0 015 highest sensi...

Page 5: ...hannel 2 Loop Function Selection 7 way dip switch Dip switch 1 of CH2 Function Relay Output Type Selection Dip switch 1 is OFF CH2 relay will be present output Dip switch 1 is ON CH2 relay output type...

Page 6: ...Selection Dip switch 3 4 and 5 is ON 0 015 highest sensitivity range Dip switch 3 and 4 is ON 0 02 Dip switch 3 and 5 is ON 0 04 Dip switch 3 is ON 0 08 Dip switch 4 and 5 is ON 0 12 Dip switch 4 is...

Page 7: ...etecting Led Continuously On Indicates vehicle detection Blinking slowly Indicates loop is short circuit or the number of twists after the loop is not enough Blinking fast Indicates loop is open circu...

Page 8: ...cts of cross talk between the two systems The sensing loops and detectors should be positioned at least 2m apart Reset Button Please note The MD240 2 must be reset every time a setting change is made...

Page 9: ...t exceed 30 metres distance between control box and loop Troubleshooting Symptoms Solution If the detector is not working Press reset If red led indicator is not fully lit Check for power supply If gr...

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