DQV Photoelectric Protective Device (Safety Light Curtain)

Robust photoelectric safety light curtain for presses, assembly and perimeter guarding. Rectangular 35×51 mm body with resolutions 10/20/40/80 mm; standard sensing range 0.3–3 m (options 0.3–6 m / 0.3–30 m); strong light immunity ≥10,000 Lux (incidence ≥ 5°); typical response time ≤10 ms; enclosure rating IP65. Safe outputs via external/inner single/dual controllers (W/N/S/P).

View Detailed DQV SeriesDQV Video Demo
DQV photoelectric protective device main image
DQV body/perimeter guarding illustration
Perimeter/aisle guarding with long protective height
Mounting & controller style example
Controller-based architecture (model options W/N/S/P)
DQV appearance
35×51 mm body; M12/aviation cabling
Product Highlights
  • Pulse-free isolated outputs via controller: safer logic separation between sensor and machine control.
  • Self-diagnosis, short/over-current protection and status indicators simplify troubleshooting.
  • ≤10 ms response improves ISO 13855 safety distance for higher productivity.
  • ≥10,000 Lux immunity; anti-flicker filtering resists weld arc & ambient light.
  • Body 35×51 mm, IP65; stainless anti-water aviation plug (M12) for quick wiring.
  • Applies to IEC 61496-1/-2; integrate with a safety relay/PLC to reach high safety categories.

Data normalized from the provided DQS/DQV manuals. If discrepancies exist, the official datasheet and delivered certificates prevail.

Resolution & Application Guide
Resolution (K)Typical Application
10 mmFinger protection at close-in assembly and tool access
20 mmPalm/hand protection at packaging and access openings
40 / 80 mmHand-arm / body presence & perimeter zones

Protective height H = (n − 1) × K. Overall length L = P + H + J + 18 + 18. P/J depend on resolution: 10 mm→5/32, 20 mm→10/25, 40 mm→20/25, 80 mm→40/25.

Technical Parameters (DQV Series)

CategoryItemTypical Value / OptionNotes
OpticalOperating principleThrough-beam infrared LED, modulatedEmitter/receiver pair; optical sync within controller system
Resolution (K)10 / 20 / 40 / 80 mmFinger / Palm / Hand-arm / Body
Protective height (H)H = (n−1) × Kn = number of beams
Response time≤ 10 msVaries with beam count
Ambient light immunity≥ 10,000 LuxIncidence ≥ 5°
Sensing range0.3–3 m (standard); 0.3–6 m / 0.3–30 m (options)Per selection table
Electrical / I/OSupplyAC 110–220 V (controller) / DC via controllerIsolated DC-DC; ≤200 mA consumption (typ.)
Safety outputsDual relay / dual transistor via controllerAC250V/5A or DC30V/5A (typ. by controller)
Output statusDual outputs, dual channels; NO/NC groupsPer controller type OC/2C/2O
ProtectionShort / over-current / over-loadAuto recovery
IndicatorsTX: Power (red); RX: Output ON (green) / Blocked (red)Front LEDs
ConnectorM12 / aviation cableIP65 stainless threaded head
ControllersW (external), N (inner), S (ext. panel), P (inner panel)See model format
Mechanical / EnvironmentBody section≈ 35 × 51 mmAluminum body; ABS reinforced end-caps
Overall lengthL = P + H + J + 36 mmP/J per K
Ingress protectionIP65Dust-tight & water-jet resistant
Operating temp.−10 ~ +40 °CStorage −25 ~ +55 °C (no icing)
HumidityWork 35–85 %RH; Storage 35–95 %RHNon-condensing
ComplianceStandardsIEC 61496-1/-2; ISO 13855 for distanceHigh-level safety with safety relay/PLC
CertificationsCE etc.Refer to delivered certificates
System integrationSafety relay / Safety PLCIndependent dual inputs

DQV Series Detailed Specifications

Model format: DQV-K-NN-H-[Controller], e.g. DQV-40-22-840-W (K=40, n=22, H=840, external controller). Protective height H = (n−1)×K; overall length L = P + H + J + 18 + 18.

K (mm)Beams nProtective Height H (mm)P/J (mm)Overall Length L (mm)Controller (W/N/S/P)RangeModel Example
10121105/32183W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-12-110
10141305/32203W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-14-130
10161505/32223W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-16-150
10181705/32243W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-18-170
10201905/32263W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-20-190
10222105/32283W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-22-210
10242305/32303W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-24-230
10262505/32323W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-26-250
10282705/32343W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-28-270
10302905/32363W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-30-290
10323105/32383W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-32-310
10343305/32403W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-34-330
10363505/32423W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-36-350
10383705/32443W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-38-370
10403905/32463W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-40-390
10424105/32483W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-42-410
10444305/32503W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-44-430
10464505/32523W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-46-450
10484705/32543W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-48-470
10504905/32563W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-50-490
10525105/32583W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-52-510
10545305/32603W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-54-530
10565505/32623W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-56-550
10585705/32643W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-58-570
10605905/32663W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-60-590
10626105/32683W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-62-610
10646305/32703W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-64-630
10666505/32723W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-66-650
10686705/32743W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-68-670
10706905/32763W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-70-690
10727105/32783W/N/S/P0.3–3 m (0.3–30 m opt.)DQV-10-72-710

Controller codes: W=External, N=Inner, S=External panel, P=Inner panel. Keep the model format DQV-K-NN-H and append controller if needed.

Typical Applications

  • Presses / shears / press brakes: 10–20 mm for hand protection with quick stop via relay/PLC.
  • Large fixtures, conveyors & robot cells: 40–80 mm for presence/perimeter detection with interlocked doors.
  • General machinery: pair with safety relay/PLC for stop, restart interlock and EDM monitoring.

Safety distance reference (ISO 13855): S = K × T + C, where T is total machine stopping time.

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