Diablo DSP-40S Plug-In Vehicle Loop Detector

DSP-40S Plug-In Vehicle Loop Detector

At last a plug-in detector with very little configuration needed. The DSP-40S has no configuration settings other than being able to change the sensitivity. The detector comes from the factory already set to the correct sensitivity for most loop installations.

The detector will operate on any voltage from 8 to 35 volts DC. The DSP-40S detector is covered by United States patent number US 7,132,959 “Non-Interfering Vehicle Detection.” This detector is virtually cross-talk free in most applications. It has been specifically designed to handle parking, drive-through and access control applications where solid-state outputs are required for both the detect and fail outputs.

Power interruptions of short duration (approximately 1.5 seconds) will not cause the detector to reset and forget a vehicle currently over the loop.

The detector is provided with a loop/lead-in failure output. If the detector senses that loop/lead-in circuit is open or shorted, the green LED will flash to identify the type of failure and the fail output will be activated.

Fail-Safe vs Fail-Secure: A fail-safe detector will activate the detect output when the loop circuit is failed. This is always the desired operation for a safety (obstruction) loop. On a free exit loop, this will keep the gate open until the fault is corrected. This is useful in applications where it is important to allow traffic flow to continue in the event of a loop/lead-in failure. A fail-secure detector will not activate the detect output when the loop circuit is failed. This will keep the gate closed. This is useful in high security areas or installations where containment is needed. The DSP-40S is a fail-safe detector.

Features

• Plug-N-Play for most installations.
• Wide DC voltage operation (8 to 35).
• Fail safe operation.
• Designed to be cross talk free between other loops.
• Separate Power/Fail and Detect LEDs.
• Works on any in-ground inductive loop from 20 to 1500 microhenries.
• Small profile is perfect for many installations.
• This series of Diablo Controls detectors are covered by United States Patent number 7,132,959 “Non-Interfering Vehicle Detection.”

Specifications

• Loop Inductance: 20 µH to 1500 µH (including lead-in)
• Operating Temperature: -35°F to 165°F (-37°C to 74°C)
• Operating Voltage: 8 volts to 35 volts DC
• Operating Current: Without a call is 31 ma maximum. With a call is 40 ma maximum
• Output Rating: Both Outputs are Solid State Open Drain. Can Sink 250 milliamps @ 35 volts
• Enclosure: Impact resistant plastic 2.375” (H) x 0.86” (W) x 2.25” (D)