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The loops are interchangeable with other leading brands and have the same pin configuration. The LD range is available as a 1,2 or 4 channel loop detector other models have diagnostic capabilities and an RS485 communications port. The LD100 & 200 Series Loop Detector include the following features: 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 loop and becoming ready for vehicle detection. Selectable Pulse Time: This feature sets the length of time that the pulse relay will be energised for 0.1 second or 0.2 second. Pulse Relay Selection: The Pulse relay may be configured to energise on detection of a vehicle or when the vehicle leaves the loop. Sensitivity Boost: This feature sets the undetect level to maximum sensitivity and is used to prevent loss of detection of high-bed vehicles. Switch Selectable sensitivity: Eight sensitivity settings are available on the switches to allow flexibility in configuration. Switch Selectable frequency: Two frequency settings are available to prevent cross-talk between adjacent loops. Filter Option: This option is used to provide a delay 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. Permanent Presence Option: This feature ensures detection of the vehicle will be maintained when the vehicle is parked over the loop for extended periods. Available with the LD200 Series: 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. For more information download our product datasheet. SAFEPASS LD100 & 200 SERIES LOOP DETECTORS DATASHEET
