Count input | Display | Body color | Max. revolutions displayed (applicable encoder resolution) | Order code |
No-voltage input | 7-segment LCD | Light grey | 1,000 s-1 (1 pulse/rev.) 1,000 min-1 (60 pulse/rev.) | H7ER-N |
PNP/NPN universal DC voltage input | 7-segment LCD | Light grey | 1,000 s-1 (1 pulse/rev.) 1,000 min-1 (60 pulse/rev.) | H7ER-NV |
1,000.0 s-1 (10 pulse/rev) 1,000.0 min-1 (600 pulse/rev) <-> 10,000 min-1 (60 pulse/rev) (switchable) | H7ER-NV1 |
7-segment LCD with backlight | Black | 1,000 s-1 (1 pulse/rev.) 1,000 min-1 (60 pulse/rev.) | H7ER-NV-BH |
Item | H7ER-NV1-_ | H7ER-NV-_ | H7ER-N-_ |
Operating mode | Up type |
Mounting method | Flush mounting |
External connections | Screw terminals, wire-wrap terminals |
Display | 7-segment LCD with or without backlight, zero suppression (character height: 8.6 mm) |
Number of digits | 5 | 4 |
Max. revolutions displayed | 1,000.0 s -1 (when encoder resolution of 10 pulse/rev is used) 1,000.0 min -1 (when encoder resolution of 600 pulse/rev is used) <-> 10,000 min -1 (when encoder resolution of 60 pulse/rev is used) (switchable with switch) | 1,000 s -1 (when encoder resolution of 1 pulse/rev is used) 1,000 min -1 (when encoder resolution of 60 pulse/rev is used) |
Attachment | Waterproof packing, flush mounting bracket, revolution unit labels |
Supply voltage | Backlight model: 24 VDC (0.3 W max.) (for backlight lit) 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) | No voltage input Maximum short-circuit impedance: 10 kΩ max. Short-circuit residual voltage: 0.5 V max. Minimum open impedance: 750 kΩ min. |
Max. counting speed | 10 kHz | 1 kHz |
Minimum signal width | 10 kHz: 0.05 ms, 1 kHz: 0.5 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 with waterproof packing, terminal block: IP20 |
Battery life (reference) | 7 years min. with continuous input at 25°C (lithium battery) |
Size in mm (H×W×D) | 24×48×53.5 |