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H7EC-NV Safety Light Curtain | F3SJ Series Industrial Safety Sensor

Omron H7EC-NV The H7EC-NV is a compact, subminiature (48 x 24 mm) 8-digit LCD digital total counter. It is entirely self-powered by an internal battery, eliminating the need for an external power supply wiring scheme.

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Key Specifications Display & Counting Characteristics Display Type: 7-segment reflective LCD (7-digit or 8-digit depending on internal display modes, standard max 8 digits) Digit Height: 8.6 mm Max Counting Speed: Dual-stage adjustable via an internal slide switch: 30 Hz (Minimum pulse width: 16.7 ms) — Ideal for mechanical switch contacts. 1 kHz (Minimum pulse width: 0.5 ms) — Ideal for solid-state proximity or photoelectric sensors. Electrical & Input Ratings Power Supply: Built-in lithium battery (Non-replaceable; typical lifespan is approx. 7 years at 25°C). Count Input Type: DC Voltage input. High (Logic 1) Level: 4.5 to 30 VDC Low (Logic 0) Level: 0 to 2 VDC Reset Input: No-voltage contact input (Short circuiting the reset terminals triggers reset). Minimum Reset Pulse Width: 20 ms Mechanical & Environmental Dimensions: 48 mm (W) x 24 mm (H) x 48.5 mm (D) — Front cutout panel size: 45 x 22.2 mm. Reset Button: Manual front key reset (Can be mechanically disabled/locked via an integrated switch). Protection Class: IEC IP66 / NEMA 4 (Front panel assembly only, water-resistant and dust-proof). Ambient Operating Temperature: -10°C to 55°C