Diablo Controls DSP-22-1 Single Channel DoorKing Plug-In Loop Detector
The DSP-22-1 is a DoorKing-oriented Diablo plug-in detector designed for installations where the loop detector connects directly to the operator control board rather than through a separate socket or terminal strip. It operates as a single-channel detector, making it suitable when one loop input is required for a specific DoorKing gate or parking-control function. In practical terms, the detector reads the connected loop and sends a detect call through the plug-in connection on the DoorKing board. Correct fitment depends on the DoorKing control board having the matching detector port and the installation being wired for the single-channel configuration. It is commonly searched with DoorKing 9410, but similar DoorKing detector numbers such as 9409 and 9405 are tied to dual-channel applications and should be checked separately.
Compatible With
- Select DoorKing gate operator and parking control boards with compatible plug-in loop detector ports
- DoorKing 9410 single-channel detector replacement applications where confirmed
- Single-channel inductive loop detection for access-control and parking applications
- Standard loop installations wired to the DoorKing detector port
- Applications where DSP-22-1 board connector, loop channel, and output behavior match the original detector
Features and Specifications
| Manufacturer | Diablo Controls |
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| Product Type | Single-channel DoorKing plug-in loop detector |
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| Part Number | DSP-22-1 |
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| Application | DoorKing operator and parking-control vehicle detection |
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| Compatible Operator Type | Select DoorKing boards with plug-in loop detector ports |
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| Channels | 1 |
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| Related DoorKing Reference | 9410 where confirmed |
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| Loop Type | Standard inductive loop |
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| Notes | Not the same as DSP-22-2 dual-channel detector |
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Also Known As / Related Part Numbers
- DSP-22-1
- DSP22-1
- DSP 22-1
- DSP-22S-1
- DoorKing 9410
- DK 9410
- DoorKing single channel loop detector
- Diablo DoorKing plug-in detector
Technician Note
Match the detector to the original part number, voltage, connector style, loop function, and output behavior. If a detector still shows a loop fault after replacement, test the loop and lead-in wiring before assuming the new detector is defective.
Before Ordering Checklist
- Confirm the exact Diablo Controls part number on the old detector or supplier record
- Verify the control voltage available at the detector connection
- Confirm the connector style, terminal layout, or plug-in board port
- Check whether the loop function is exit, safety, shadow, arming, hold-open, or presence
- Inspect loop resistance, lead-in splices, and water intrusion if the original detector failed
Professional Advisory
Loop detectors are vehicle-detection accessories and must be installed as part of a code-compliant gate or access-control system. Do not bypass required monitored photo eyes, monitored safety edges, or other entrapment-protection devices. For high-voltage wiring, unsafe gate movement, or repeated loop faults, use a qualified gate technician.
Product Questions and Answers
What DoorKing detector does DSP-22-1 commonly replace?
It is commonly referenced as a replacement for DoorKing 9410 single-channel loop detector applications when the board port matches.
Is DSP-22-1 the same as DSP-22-2?
No. DSP-22-1 is single-channel, while DSP-22-2 is the dual-channel version used for different DoorKing detector applications.
Does this detector use an 11-pin socket?
No. It is designed for compatible DoorKing plug-in detector ports on the control board.
Can it be used on non-DoorKing operators?
Do not assume that. This detector is designed around DoorKing-style plug-in board compatibility, not universal relay wiring.
What should be checked before replacing a DoorKing detector?
Check the DoorKing model, control board revision, detector port, loop wiring, and whether the installation needs one channel or two channels.
