| Item | H7EC-NV-_/H7EC-NV-_H | H7EC-NFV-_ | H7EC-N-_ |
| Operating mode | Up type |
| Mounting method | Flush mounting |
| External connections | Screw terminals, optional wire-wrap terminals |
| Number of digits | 8 |
| Display | 7-segment LCD with or without backlight, zero suppression (character height: 8.6 mm) |
| Max. counting speed | 30 Hz/1 kHz | 20 Hz | 30 Hz/1 kHz |
| Case color | Light grey or black (-B models) |
| Attachment | Waterproof packing, flush mounting bracket |
| Supply voltage | Backlight model: 24 VDC (0.3 W max.)
(only for backlight) No-backlight model: Not required
(powered by built-in battery) | Not required (powered by built-in battery) |
| Count input | High (logic) level: 4.5 to 30 VDC Low (logic) level: 0 to 2 VDC
(input impedance: Approx. 4.7 kΩ) | High (logic) level:
24 to 240 VAC/VDC, 50/60 Hz Low (logic) level:
0 to 2.4 VAC/VDC, 50/60 Hz | No voltage input Maximum short-circuit impedance:
10 kΩ max. Short-circuit residual voltage: 0.5 V max. Minimum open impedance: 750 kΩ min. |
| Reset input | No voltage input Maximum short-circuit impedance:
10 kΩ max. Short-circuit residual voltage: 0.5 V max. Minimum open impedance: 750 kΩ min. |
| Minimum signal width | 20 Hz: 25 ms, 30 Hz: 16.7 ms, 1 KHz: 0.5 ms |
| Reset system | External reset and manual reset: Minimum signal width of 20 ms |
| Ambient temperature | Operating: -10 to 55°C (with no condensation or icing), storage: -25 to 65°C (with no condensation or icing) |
| Degree of protection | Front-panel: IP66, NEMA4, terminal block: IP20 |
| Battery life (reference) | 7 years min. with continuous input at 25°C (lithium battery) |
| Size in mm (H×W×D) | 24×48×55.5 |
