H7ET-NFV1-B
Miniature Time Counter, Time Counter, 48×24×55.5 mm
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Ratings / Performance
- Function
- Time Counter
- Time counter (Input modes)
- Quadrature
- Time counter (Time ranges)
- 0 s to 999 h 59 min 59 s / 0.0 min to 9999 h 59.9 min (selectable)
- Time counter (Set value read selector)
- +/- 100 ppm (25 CEL)
- Time counter (Minimum signal input width)
- 1 s
- Time counter (Reset system)
- External reset/manual reset
- Input signal
- Count input / Reset
- Input method
- Free voltage input
- No-voltage input (No-contact input)
- Short-circuit (ON) impedance: 10 kΩ
- No-voltage input (No-contact input)
- Residual voltage: 0.5 V max. (Actual performance 1.0 V)
- No-voltage input (No-contact input)
- Open circuit impedance: 750 kΩ
- Voltage input
- Hight level: 24 to 240 VAC/VDC
- Voltage input
- Low level: 0 to 2.4 VAC/VDC
- Voltage input
- Input resistance: 4.7 kΩ
- Minimum input signal width
- External reset: 20 ms
- Display method
- 7-segment transmissive LCD
- Digits
- 7digits
- Character height
- Current time: 8.6 mm (Black)
- Character height
- Zero suppression: Equipped
- Prescaling function
- Not provided
- Key protection
- Key protect Switch
- Teaching function
- Not provided
- Batch counting function
- Not provided
- Communications
- Not provided
- Memory backup
- Lithium battery ()
- Battery life
- For 10 years min. (with continuous input at 25CEL)
- Surrounding air temperature
- Operating: -10 to +55 °C
- Surrounding air temperature
- Storage: -25 to +65 °C
- Ambient humidity
- Operating: 25 to 85%
- Ambient humidity
- Storage: 25 to 85%
- Insulation resistance
- 100 MΩ min. (at 500 VDC)
- Insulation resistance
- Between current-carrying terminals and exposed non-current-carrying metal parts / Between timer input terminals and reset terminals
- Dielectric withstand voltage
- Between timer input terminals and exposed non-current-carrying metal parts:3700 VAC 50/60 Hz for 1 min
- Dielectric withstand voltage
- Between reset terminals and exposed non-current-carrying metal parts:2200 VAC 50/60 Hz for 1 min
- Dielectric withstand voltage
- Between timer input terminals and reset terminals:2200 VAC 50/60 Hz for 1 min
- Impulse withstand voltage
- Between current-carrying terminal and exposed non-current -carrying metal parts:4.5 kV
- Impulse withstand voltage
- Between timer input terminals and reset terminals:3.0 kV
- Noise immunity
- Between timer input terminals:+/- 1.5k V
- Noise immunity
- Between reset terminals:+/- 500 V
- Noise immunity
- Square-wave noise by noise simulator (Pulse width: 100 ns/1 us, 1-ns rise)
- Static immunity
- 8 kV (malfunction)
- Vibration resistance (Destruction)
- 10 to 55 Hz with 0.375 mm single amplitude for two hours each in three directions
- Vibration resistance (Malfunction)
- 10 to 55 Hz with 0.15 mm single amplitude for ten minutes each in three directions
- Shock resistance (Destruction)
- 300 m/s**2 three times each in six directions
- Shock resistance (Malfunction)
- 200 m/s**2 three times each in six directions
- Degree of protection
- Case front: IP66, NEMA 4 (indoors), and UL Type 4X (indoors)(when using the Y92S-32 Waterproof Packing and Y92F-30 Flush Mounting Adapter)
- Degree of protection
- Terminal block: IP20
- Mounting method
- Flush mounting
- External connection method
- Screw terminals
- Case color
- Black (Munsell N1.5)
- Accessories
- Flush mounting adapter / Waterproof rubber packing / Shock Prevention Cover / Unit label
- Weight
- Approx. 60 g