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Product Description
GD100 – Single Channel Loop Detector
The GD100 is a cost effective, single channel, din-rail mounted microprocessor based detector. The product detects vehicle presence by means of an inductance change caused by the vehicle passing over a wire loop buried under the road surface. With front panel switches to allow for different loop frequency settings, sensitivity settings and mode settings.
Applications
- Parking barrier control.
- Vehicle access control.
- Motorised gates and doors.
- Industrial control systems.
Specific Features
- Compact Size: This compact industrial housing combines all of the industry requirements regarding features and functionality and allows this detector to be incorporated into any new or existing vehicle detection system.
- Selectable Fail-Safe / Fail-Secure: Allows a selectable output for either Fail-Safe or Fail-Secure operation.
- Loop Isolation Protection: The loop isolation transformer provides protection against lightning and transient damage and allows for operation with single point to ground sensor loops.
- Loop Frequency Indication: The possibility of cross-talk (interference) between adjacent loops/ detectors can be determined by a visual display, and eliminated by changing the frequency settings.
- Automatic Sensitivity Boost (ASB): Facilitates the reliable detection of all vehicle combinations and high-bed vehicles by boosting the sensitivity to maximum after detection of a vehicle.
Typical Application
Technical Data
Download Specification:
Self-Tuning Range :
20µH to 1500µH
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:
Two step adjustable on faceplate
12 – 80 kHz (Frequency determined by loop geometry)
12 – 80 kHz (Frequency determined by loop geometry)
Presence Relay:
-
Automatic Sensitivity Boost:
-
Output Configuration:
2 Output relays (Presence or Pulse output)
Rated: 0.5A @ 30V AC/DC
Rated: 0.5A @ 30V AC/DC
Pulse Output Duration:
150ms
Presence Time:
1 hour for 3% ∆L/L permanent presence option
Operating Modes:
Mode Selector on faceplate: 1) Fail Safe / Fail Secure
Indications:
Red LED – POWER indication
Green LED – Channel Indicator
Green LED – Channel Indicator
- Green LED – Tuning: On steady
- Green LED – Undetect: OFF
- Green LED – Detect: ON
- Green LED – Fault: On with short off periods
Mounting:
Din-Rail Mount
Output Relays:
Presence Relay – 1A @230VAC
Change-over contacts (Non Fail-Safe)
Change-over contacts (Non Fail-Safe)
Protection:
Loop isolation transformer, zener diode clamping on loop input, gas discharge
Power:
24 V ±10% (AC/DC) Requirements -1.5VA max.
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