


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