Diablo Controls DSP-10-117 Parking Detector Vehicle Loop Detector
The Diablo Controls DSP-10-117 is a single-channel loop detector for access-control and parking systems that use 117 VAC detector power. It monitors one in-ground inductive loop and sends a detect output to the connected gate, parking, drive-through, or door controller.
The DSP-10 series is intended for reliable vehicle detection and retrofit work in existing locations. It automatically tunes to the loop, uses noise filtering to help reduce false calls, and offers field-selectable fail-safe or fail-secure output behavior for the A output.
Voltage is the critical fitment detail for this row. A 117 VAC detector should not be swapped with a low-voltage detector unless the cabinet power and wiring are redesigned correctly. Always match the old detector label, supply voltage, socket or terminal wiring, and relay output needs.
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 parking, drive-through, gate, and access-control systems using 117 VAC detector power
- Existing DSP-10-117 replacements where voltage and wiring match
- In-ground inductive loops commonly within the 20 to 2000 microhenry range
- Barrier gates, access lanes, ticket dispensers, and commercial door controls requiring vehicle detect input
- Related DSP-10 family applications when the 117 VAC model is specified
- Not a direct replacement for DSP-10-LV low-voltage installations
Features and Specifications
| Manufacturer | Diablo Controls |
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| Product Type | Single-channel vehicle loop detector |
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| Part Number | DSP-10-117 |
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| Application | 117 VAC parking, gate, drive-through, and access-control loop detection |
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| Supply Voltage | 117 VAC |
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| Loop Type | One in-ground inductive loop |
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| Loop Inductance | 20 to 2000 microhenries commonly referenced |
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| Indicators | 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 | Confirm line-voltage detector power before ordering |
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Also Known As / Related Part Numbers
- DSP-10-117
- DSP-10 117VAC
- DSP-10
- DSP10-117
- DSP10
- Diablo DSP-10-117 loop detector
- DSP-10-LV related low-voltage variant
Technician Note
If the old detector has failed repeatedly, check for power problems, loop insulation issues, surge damage, and water in the lead-in before installing another detector.
Before Ordering
- Confirm the old detector is marked 117 VAC.
- Do not install this part into a low-voltage detector socket.
- Verify loop continuity and insulation condition.
- Confirm fail-safe or fail-secure relay behavior before returning the system to service.
- Confirm the control panel input is not a monitored safety input requiring a different device.
Important Ordering Warning
117 VAC wiring can be hazardous. Power should be disconnected and line-voltage work should be handled by a qualified technician.
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
Is DSP-10-117 the same as DSP-10-LV?
No. DSP-10-117 is the 117 VAC version. DSP-10-LV is the 10 to 30 VAC/VDC version.
What kind of loop is used with this detector?
It is used with a single in-ground inductive loop in the proper inductance range and with good lead-in wiring.
Can this detector be used on a gate operator?
Yes, when the gate operator or control panel is designed for a 117 VAC loop detector and the relay output is wired correctly.
Why is voltage verification important?
Using the wrong voltage version can damage the detector or create an unsafe wiring condition.
Does this replace a photo eye?
No. It provides vehicle detection and does not replace required monitored entrapment protection.
