Overview of the Smart DC Controller
Revision D Smart DC Controller 4-5
There are four vehicle detector inputs available on the Smart DC Controller:
• Free Exit Loop Detector - This opens a fully closed gate or reopens a closing gate.
• Outside Obstruction Loop Detector (Out Obs Loop) - Reversing loop on public side
• Inside Obstruction Loop Detector (In Obs Loop) - Reversing loop on secure side
• Center Loop Detector - Not used for slide gates.
Use of any combination of HY-5A detectors and box detectors is acceptable. On occasion, mul-
tiple obstruction detectors may be mandatory. For example, an area greater than 200 square feet
(61 square meters) of loop cannot be connected to any one detector because the sensitivity
becomes inadequate. Refer to Installing Vehicle Detectors and Loops.
C
ONNECTING
HY-5A V
EHICLE
D
ETECTORS
Install the HY-5A Vehicle Detector modules according to the following procedure:
1. Turn off both AC and DC power switches.
2. Insert the locking end of the two white plastic standoffs into the mounting holes on the detector.
3. Plug the detector into the appropriate socket along the right edge of the Smart DC Controller board.
Be careful to align the six detector pins into the socket correctly (the screws for tightening the terminals
should face toward the board), and then snap the standoffs into the holes in the control box.
4. Route the loop wires through the holes provided in the control box and connect the loop leads to the two
terminals on the HY-5A detector. Tighten the terminal screws securely.
5. Repeat Steps 1 through 3 for each HY-5A detector.
6. To enable the detectors, turn on power. The detectors will immediately tune if they are connected to loops.
Make sure no cars or other metal objects are over the loops.
7. If the detector module is unplugged after it is enabled, a communications alert (ALERT 10) will be
triggered; if the fault continues an error message, ERROR 3 “Detector Failed” is displayed.
If there is any detector fault, the gate operator functions as if the detector is triggered.
Pressing the RESET button:
• Clears any errors
• Tunes the detectors on connected loops
• Un-installs any detectors that have been removed
8. The Smart DC Controller automatically governs frequency selection for all HY-5A detector modules. This
simplifies installation and guarantees that there is no cross-talk between multiple loops. The frequency can
also be manually selected; if this is required, refer to the Table 3-2 "Smart DC Controller - Installer Menu
Functions" on page 3-22.
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