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Loop Detector Palang Parkir (VLD) AP 108

Reset Switch. Pressing the reset switch enables the detector to be manually reset during commissioning and testing. This results in the detector re-tuning the sensing loop and becoming ready for vehicle detection.
Switch selectable Sensitivity. The detect sensitivity is the minimum change in inductance required to produce a detect output. (%L/L). Eight sensitivity settings are available on the switches to allow flexibility in configuration.
Sensitivity Boost. This feature sets the undetect level to maximum sensitivity and is used to prevent loss of
detection of high-bed vehicles.
Filter Option. This option is used to provide a delay of 2 Seconds between detection of the vehicle and switching of the output relay. This delay is normally used to prevent false detection of small or fast moving objects.
Extend Option. When switched on this feature extends the presence output relay for 2 Seconds after the vehicle has left the loop.
Permanent Presence. This feature ensures detection of the vehicle will be maintained when the vehicle is
parked over the loop for extended periods.
Pulse Relay Selection. The Pulse relay may be configured to energise on detection of a vehicle or to energise when the vehicle leaves the loop.
Selectable Pulse Time. This feature sets the length of time that the pulse relay will be energised. 1 Second or 0.2 Second.

Description

Technical Data:

Supply voltage: 220V AC , 115V AC,24VDC/AC,12V DC/AC
Voltage tolerance AC : +10% / -15%
Voltage tolerance DC : ±15%
Power Consumption : 4.5VA
Output relays : 240V/5A
Operating temperature : -220°C to +65°C
Storage temperature : -40°C to +85°C
Frequency range : 20 kHz to 170 kHz
Reaction time : 100ms
Signal holding time : Unlimited
Sensitivity : Adjustable in 3 increments
Loop inductance : Total loop plus connection wiring:
50μH to 1000μH. Ideal is 100μH to 300μH
Loop connection wiring : Maximum length 20 meters,
twisted at least : 20 times per meter
Size of Housing : 78x40x108 mm (L x W x H)

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