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- TD452L (CH4 Box Detector)
Product Description
4-Channel Boxed Traffic Detector
The TD450 series of 4 channel microprocessor based boxed traffic detectors are packaged according to industry standards and are ideal for use in traffic control and toll equipment vehicle detection applications.
The TD250 whilst providing separate vehicle presence outputs may also be configured to operate in various modes such as Direction, Speed and Headway, as well as delay/extend mode. An output can be provided when pre-set speed or headway threshold has been exceeded and can be use to control third party devices. The LS version has a serial link for communication to a host device
Applications
- Direction Logic (AB logic)
- Speed Logic (Optional: unidirectional)
- Headway Logic
- Queue detection
- Traffic counting
- Toll equipment
Features of the TD450L in Particular
- Direction Logic
- Speed Logic – output based on a preset speed
- Headway Logic – output based on a time less than the preset
Technical Data
Download Specification:
Self-Tuning Range:
15 - 2000μH
Sensitivity:
Four step adjustable on faceplate
- High – 0.02% ΔL/L
- Med-High – 0.05% ΔL/L
- Med-Low – 0.1% ΔL/L
- Low – 0.5% ΔL/L
Frequency:
Four step selectable on PCB:
- High
- Medium-High
- Medium-Low
- Low
Output Configuration:
-
Presence Time:
Four step adjustable on faceplate:
- 1 sec
- 4 mins
- 40 mins
- Infinity – no fixed time-out
Delay Time:
-
Indications:
1 x Run indicator (Red)
1 x Channel status per channel
1 x Channel status per channel
- On = Detect
- Flashing = Fault
- Off = Undetect
Protection:
Loop isolation transformers, zener diode clamping on loop inputs and gas discharge tube protection.
Power Requirements:
230V AC ±10% (48 to 62Hz)
Detect outputs:
Sealed relays rated at 1A @ 220V AC
Single change-over contact per channel
Single change-over contact per channel
Operating Temp Range:
-40 °C to + 70 °C (Circuit conformal coated)
Material:
ABS blend
Dimensions:
131mm (deep) x 113mm (high) x 57mm (wide)
Mounting Position:
-
Connector:
2 x 11-pin submagnal type (86CP11)
1 x 3-pin VDE plug for AC mains versions
1 x 3-pin VDE plug for AC mains versions
Pulse Output:
150mS OR 500mS
Static Response Times:
Turn on 30mS ± 5mS
Turn off 40mS
Turn off 40mS
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