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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. (%ΔL/L). Eight sensitivity settings are available on the switches to allow flexibility in configuration.
Switch selectable Frequency. The frequency of the loop is determined by the inductance of the loop and the frequency switch setting. If the frequency switch is on, the frequency is reduced. It may be necessary to change the frequency to prevent cross-talk between adjacent loops on different detectors.
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.
Extend Option. When switched on this feature extends the presence output relay for 2 Seconds after the vehicle has left the loop.
Direction Logic. This feature enables the detector to give a pulse output on relay1 for a vehicle travelling from loop1 to loop2 and a pulse output on relay2 for a vehicle travelling from loop2 to loop1. To enable this feature switches 2 and 4 must be on, and switches 3 and 5 must be off.
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. 1
Selectable Pulse Time. This feature sets the length of time that the pulse relay will be energised. 1 Second or 0.2 Second.
Whats in the box:
1 x Loop detector Dual Channel direction Logic
Power supply: LD216 11 - 26VAC/DC 50/60Hz 95mA max.
Presence Relay: Mode0.5A/220VAC (Fail Safe – normally energized)
Pulse Relay: Mode0.5A/220VAC(Non Fail Safe–normally denergised)
Response time: Approximately 120ms after vehicle enters loop.
Indicators: LED indicators show: Power, Detect state and Loop Fault.
Detector tuning range: 15 - 1500uH
Loop Frequency: Approx. 23 – 130KHz (Multiplexing)
Environmental tracking: Automatic Compensation
Protection: Loop isolation transformer with zener diodes and gas discharge tube.
Connector:11 Pin Connector on rear of unit.
Dimensions: 80mm (height) X 40mm (width) X 79mm (Depth excl. connector).
Operating Temperature:-40°C to +80°C
Storage Temperature: -40°C to +85°C