Nortech PD230 Enhanced Vehicle Detector, User Manual

Page: 7 / 43

302UM0017 Rev 01 PD230 Enhanced Detector User Manual Page 7 of 37
2. TECHNICAL DATA
2.1 Functional Data
Tuning
Fully automatic
Self-tuning range
20 to 1000
µ
H
Sensitivity
Four step switch selectable:
High 0.02%
∆
L/L
Medium-High 0.05%
∆
L/L
Medium-Low 0.10%
∆
L/L
Low 0.50%
∆
L/L
Frequency
Four step selectable:
Frequency dependent on loop size
Automatic Sensitivity Boost
Switch selectable
Modes
Output relays may operate in the Presence ( fail-safe ),
Pulse or Direction logic modes
Presence Time
Switch selectable:
Limited presence
Permanent presence
Pulse Output Duration
150/250 millisecond options
Response Times
100 milliseconds
Drift Compensation Rate
Approx. 1%
∆
L/L per minute
Visual Indication
1 x Power LED - Red
2 x Channel Status LEDs - Green
Relay Outputs
2 x Relays, User Configurable as Presence or Pulse outputs,
Normally Open (N/O) contacts
(Opto-Isolated Outputs are available on request. MOQ applies)
Reset
Reset by push button on front of enclosure
Surge Protection
Loop isolation transformer, gas discharge tubes,
and Zener diode clamping on loop input
Power Fail (Option)
10 minutes memory retention of detector state on power failure.
2.2 Electrical Data
Power requirements
120V AC
±
10% 48 to 62Hz (PD231 models)
230V AC
±
10% 48 to 62Hz (PD232 models)
PD231 and PD232 models: 1.5 VA Maximum at 230V
12V - 10% to 24V + 10% DC/AC 48 to 62Hz (PD234 models)