H7EC Totalisers Self-powered LCD totaliser The H7E series is available with large display with 8.6 mm character height. It includes models with backlight for improved visibility in dimly lit places. The H7E family includes total counters, time counters, tachometersand PCB mounted counters. • Size in mm (H×W×D):24×48×55.5, 1/32 DIN sizehousing • 8 digits, 8.6 mm character height • Black or light-greyhousing • Dual inputspeed:30 Hz <-> 1 kHz • Short body: all models have a depth of 48.5 mm Ordering information Count inputMax. counting speedDisplay Order code Light grey body Black body No-voltage30 Hz <-> 1 kHz (switchable)7-segment LCDH7EC-NH7EC-N-B PNP/NPN universalDC voltage input 30 Hz <-> 1 kHz (switchable) 7-segment LCDH7EC-NV H7EC-NV-B 7-segment LCD with backlightH7EC-NV-H H7EC-NV-BH AC/DC multi-voltage input20 Hz7-segment LCD H7EC-NFVH7EC-NFV-B Specifications Item H7EC-NV-_/H7EC-NV-_HH7EC-NFV-_H7EC-N-_ Operating mode Up type Mounting methodFlush mounting External connections Screw terminals, optional wire-wrap terminals Number of digits8 Display7-segment LCD with or without backlight, zero suppression (character height: 8.6 mm) Max. counting speed30 Hz/1 kHz20 Hz 30 Hz/1 kHz Case colorLight grey or black (-B models) AttachmentWaterproof 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) Count inputHigh (logic) level: 4.5 to 30 VDC Low (logic) level: 0 to 2 VDC (input impedance: Approx. 4.7 k) Not required (powered by built-in battery) 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 k max. Short-circuit residual voltage: 0.5 V max. Reset inputNo voltage input Maximum short-circuit impedance: 10 k max. Short-circuit residual voltage: 0.5 V max. Minimum open impedance: 750 k min. Minimum open impedance: 750 k min. Minimum signal width 20 Hz: 25 ms, 30 Hz: 16.7 ms, 1 KHz: 0.5 ms Reset systemExternal 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 protectionFront-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)24×48×55.5 568
All ratings we receive from the items we offer are real and verified. A small gesture, but a lot of value. That's why we thank you for that minute you invest in leaving us your opinion and qualification about the products, because it helps us to continue improving and to offer you a service of even higher quality.