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Protection Height & Beam Count Calculator

Herramienta de ingeniería gratuita
Protection Height & Beam Count Calculator

Determine how many beams your ENT safety light curtain needs based on the machine opening you want to protect. The calculator also estimates response time (which scales with beam count) and overall unit length for mounting planning.

How Beam Count Affects Your Configuration

Protection height = (number of beams − 1) × optical axis spacing. More beams mean taller coverage, but also a longer response time (scanning more beams takes more cycles). ENT response time ranges from 6.0 ms (8 beams) to 30.8 ms (maximum beam count) — which directly affects your required safety distance.

Enter Your Dimensions
Height of area to be guarded
Distance from floor to first beam
Calculated Configuration
Beams Required
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Altura de protección
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Est. Response Time
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Unit Length
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Response time estimates are approximate and scale linearly with beam count. Actual values depend on environmental conditions. Maximum protection height for a single ENT unit is 1,960 mm — for taller openings, cascade two units.

ENT Series — Optical Axis Spacing Reference
ModeloResoluciónAxis SpacingMax Beams (1,960 mm)Response @ Max
ENT-1414 mm (finger)10 mm197~30.8 ms
ENT-2525 mm (mano)20 mm99~24.4 ms
ENT-4545 mm (cuerpo)40 mm50~14.8 ms
Common Protection Heights by Application
AplicaciónTypical HeightModeloBeamsTiempo de respuesta
Press point-of-operation (small)300 mmENT-1431~15.2 ms
Press point-of-operation (standard)600 mmENT-1461~27.2 ms
Machine entrance (half-height)1,000 mmENT-2551~23.2 ms
Machine entrance (full-height)1,800 mmENT-2591~39.2 ms*
Perimeter gate (body detection)1.200 mmENT-4531~15.2 ms
Robotic cell entry (full-height)1,960 mmENT-4550~22.8 ms

* Exceeds single-unit max response time — consider cascading or stepping up to ENT-45 for full-height entrances.

Need a Custom Protection Height?

Our engineering team supports non-standard beam counts and protection heights. Contact us with your machine opening dimensions for a tailored quote.

Request Custom Configuration Quote