Product Overview
The Diablo Controls DSP-10-LV is a low-voltage, single-channel vehicle loop detector used with one in-ground inductive loop. It is intended for parking, drive-through, overhead door, gate, and access-control applications that need a dependable vehicle-detect signal.
The DSP-10 series is designed as an all-in-one detector for common access control loops. It automatically tunes to the loop, works with a broad inductance range, and uses noise filtering to help stabilize installations with electrical interference, long lead-ins, or troublesome pavement loops.
The LV version matters. It is intended for low-voltage detector power, not 117 VAC. Before replacing an older detector, match the installed voltage, wiring base, relay contact requirements, and whether the site needs presence, delay, extension, fail-safe, or fail-secure behavior.
Compatible With
Compatibility depends on the detector model, supply voltage, loop or probe type, wiring base, relay output needs, and how the gate, door, barrier, parking, or access-control panel is designed to receive a vehicle-detect signal.
- Single-loop gate, parking, and access-control detector installations
- Low-voltage detector circuits providing 10 to 30 VAC or VDC
- In-ground inductive loops commonly within the 20 to 2000 microhenry range
- Parking access lanes, card-reader lanes, ticket dispensers, barrier gates, and drive-through controls
- Existing DSP-10-LV / DSP-10LV replacements when voltage and wiring match
- Related DSP-10 family applications where the LV version is specified
- Not a replacement for DSP-10-117 unless the power supply and wiring are changed correctly
Features and Specifications
| Manufacturer | Diablo Controls |
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| Product Type | Single-channel low-voltage vehicle loop detector |
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| Part Number | DSP-10-LV |
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| Application | Gate, parking, door, and access-control vehicle detection |
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| Supply Voltage | 10 to 30 VAC or VDC low-voltage version |
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| Loop Type | One in-ground inductive loop |
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| Loop Inductance | 20 to 2000 microhenries commonly referenced for DSP-10 series |
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| Indicators | Separate power/fail and detect LEDs |
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| Operation | Selectable fail-safe or fail-secure A output depending on setup |
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| Notes | Do not substitute with 117 VAC version without confirming power and wiring |
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Also Known As / Related Part Numbers
- DSP-10-LV
- DSP-10LV
- DSP-10
- DSP10LV
- DSP10
- DSP-10 low voltage
- Diablo DSP-10-LV loop detector
- DSP-10-117 related voltage variant
Technician Note
The most common ordering mistake is choosing the wrong voltage version. If the old detector was powered by line voltage, do not install the low-voltage model without confirming the power source and socket wiring.
Before Ordering
- Confirm the old detector is the low-voltage version.
- Verify the control cabinet supplies 10 to 30 VAC or VDC.
- Check the loop and lead-in for opens, shorts, water intrusion, or weak splices.
- Confirm the output relay wiring used by the gate or access controller.
- Match the fail-safe or fail-secure setting used by the original installation.
Important Ordering Warning
A low-voltage loop detector should not be connected to a line-voltage detector socket. Confirm voltage before installation to avoid damage or unsafe wiring.
Professional Advisory
Vehicle detector wiring is part of the gate, door, parking, or access-control safety and command circuit. Do not bypass monitored safety devices or use a detector to defeat required entrapment protection. For high-voltage wiring, cabinet faults, nuisance detection, or unsafe gate movement, use a qualified gate or access-control technician.
Product Questions and Answers
What is the difference between DSP-10-LV and DSP-10-117?
DSP-10-LV is the low-voltage version for 10 to 30 VAC or VDC power. DSP-10-117 is the 117 VAC version.
Can this detector work with an existing pavement loop?
Yes, when the loop is an inductive loop in the proper range and the loop wiring is in good condition.
Is the DSP-10-LV used for exit and safety loops?
It may be used in many access-control loop applications, but the relay behavior and safety requirements must match the controller setup.
Why does my new detector still show a fault?
A detector fault may point to an open loop, shorted loop, bad splice, damaged lead-in, or electrical noise rather than a failed detector.
Can I use this instead of a monitored photo eye?
No. A loop detector is not a monitored entrapment-protection device.
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