Building Automation
Industrial Automation
Power Automation & Safety
Bangladesh Distributor
H7EC-NV-BH
Self-powered Totalizer
Image
Miniature Total Counter, Total Counter, 48×24×55.5 mm, Increment
| Function |
Total Counter |
|---|---|
| Digits |
8digits |
| Mounting method |
Flush mounting |
| External connection method |
Screw terminals |
- Ratings/Characteristics
As of August 8, 2016
| Function | Total Counter |
|---|---|
| Operating voltage range | 90% to 110% of rated supply voltage |
| Counter (Count range) | 0～99999999 |
| Counter (Max. counting speed) | 30 Hz/1 kHz (switching) (Minimum counting input signal width: 16.7 ms(ON/OFF ratio: 1:1)/0.5 ms(ON/OFF ratio: 1:1)) |
| Counter (Input mode) | Increment |
| Counter (Reset system) | External and manual reset |
| Input signal | Count input / Reset |
| Input method | Voltage input |
| Voltage input | Hight level: 4.5 to 30 VDC Low level: 0 to 2 VDC Input resistance: 4.7 kΩ |
| Minimum input signal width | External reset: 20 ms |
| Display method | 7-segment backlit transmissive LCD |
| Digits | 8digits |
| Character height | Count value: 8.6 mm (Black with backlit (Green)) 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 7 years min. (with continuous input at 25CEL) |
| Surrounding air temperature | Operating: -10 to +55 ℃ Storage: -25 to +65 ℃ |
| Ambient humidity | Operating: 25 to 85% Storage: 25 to 85% |
| Insulation resistance | 100 MΩ min. (at 500 VDC) Between current-carrying terminals and exposed non-current-carrying metal parts / Between backlight power terminals and count input/reset terminals |
| Dielectric withstand voltage | Between current-carrying terminals and exposed non-current-carrying metal parts:1000 VAC 50/60 Hz for 1 min Between backlight power terminals and count input/reset terminals:1000 VAC 50/60 Hz for 1 min |
| Impulse withstand voltage | Between current-carrying terminal and exposed non-current -carrying metal parts:4.5 kV |
| Noise immunity | Between backlight power terminals:+/- 480 V Between count input terminals:+/- 600 V Between reset terminals:+/- 600 V 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) 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 |
| Weight | Approx. 65 g |
As of August 8, 2016
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