CARLO GAVAZZI LDD1 Manual De Instrucciones página 17

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• When DIP SWITCH 10 is set to ON relay 2 creates a pulse each time a vehicle exits the loop.

• When DIP SWITCH 10 is set to OFF relay 2 creates a pulse each time a vehicle enters the loop.

DIP SWITCH 10 - Timeout setting for relay 2 (only for Presence mode)

When relay 2 is operating in Presence mode (see DIP switch 9), a timeout can be set to limit maximum

activation time of a single vehicle detection. If timeout is set different from infinite, the output will

automatically deactivate, if a vehicle has been constantly detected for longer time than set by DIP

switch 10.

• When DIP SWITCH 10 is set to ON relay 2 timeout is set to 1 minute.

• When DIP SWITCH 10 is set to OFF relay 2 timeout is set to infinite.

DIP SWITCH 11 - Pulse Duration setting (only for Pulse mode)

When the Loop Detector is operating in Pulse mode on relay 1 and/or relay 2, the pulse length can

be set with DIP switch 11.

Note: The duration setting changes pulse length of both relay 1 and relay 2, if they are both

operated in pulse mode. If both relays are operated in Presence mode, DIP switch 11 does not have

any functionality.

• When DIP SWITCH 11 is set to ON, relay creates a pulse with a duration of 0.5 s for each

activation.

• When DIP SWITCH 11 is set to OFF, relay creates a pulse with a duration of 0.1 s for each

activation.

DIP SWITCH 12 - Direction logic

The directional logic function can be used to count vehicles in and out of a parking area. When this

function is activated, the relays indicate which direction the vehicle was traveling.

• When DIP SWITCH 12 is set to ON, Direction logic is enabled. Relay 1 will activate when a vehicle

first drives inside loop 1 and then loop 2. Relay 2 will activate when a vehicle first drives inside

loop 2 and then loop 1.

• When DIP SWITCH 12 is set to OFF, Direction logic is disabled. Relay 1 will activate when a

vehicle is detected in loop 1 and relay 2 will activate when a vehicle is detected in loop 2.

Direction

Relay 2

Loop 1

Relay 1

Loop 2

Direction

Tabla de Contenido

Ldd2