Overview of the Smart DC Controller
4-4 SlideSmart DC Installation and Reference Manual Revision D
Vehicle Detector Installation Options
The Smart DC Controller provides a feature-rich interface to four different vehicle detector inputs.
Standard box type 11 pin (24 Volt DC or 24 Volt AC) vehicle detectors may be connected in
the traditional manner as described in Installing Standard 11-Pin Box Type Vehicle Detectors.
HySecurity’s custom HY-5A mini-detector module (Figure 4-3) plugs directly into the Smart DC Controller board
making field installation much faster plus providing a large performance benefit. The detector communicates with
the Smart DC Controller microprocessor to achieve the following benefits over common box type detectors:
• Loop frequency is automatically set and monitored by the Smart DC Controller
• Very low power draw, which is important for maximum UPS capability during a power failure and for solar
applications.
• Cross-talk between multiple loops is impossible.
• Best operating frequency for each loop is automatically selected.
• Loop frequency and call strength can be reported on the Smart DC Controller display.
• Loop malfunctions are reported and stored by the Smart DC Controller.
• Most detector or loop faults that can occur are reported and presented on the Smart DC Controller
display.
It is not mandatory to use two separate detectors for inner and outer obstruction detection, but the benefits in
using an additional detector provide second vehicle tailgating detection, loitering alert, and selectable non-
reversing options.
Figure 4-3. HY-5A Vehicle Detector Module
Rear ViewFront View
Loop wire
connections
Sensitivity dial
adjustment
Status LED
Standoff Supports
(Inset into the
holes in the
Control Box.)
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