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NEW-H7EC 数据表(PDF) 3 Page - Omron Electronics LLC |
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NEW-H7EC 数据表(HTML) 3 Page - Omron Electronics LLC |
3 / 33 page New H7EC 3 Specifications ■ General Note: 1. Separately ordered Wire-wrap Terminals (Y92S-37) are required. 2. Only PNP/NPN universal DC voltage input models (-H models) have a backlight. ■ Ratings Note: ON/OFF ratio 1:1 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 (see note 1) Reset External/Manual reset Number of digits 8 Count input PNP/NPN universal DC voltage in- put AC/DC multi-voltage input No-voltage input Display 7-segment LCD with or without backlight, zero suppression (character height: 8.6 mm) (see note 2) Max. counting speed 30 Hz/1 kHz 20 Hz 30 Hz/1 kHz Case color Light gray or black (-B models) Attachment Waterproof packing, Y92F-34 Flush Mounting Bracket Approved standard UL863, CSA C22.2 No.14, Lloyds Conforms to EN61010-1/IEC61010-1 (Pollution degree2/overvoltage category III) Conforms to VDE0106/P100 Item H7EC-NV- @ H7EC-NV- @H H7EC-NFV- @ H7EC-N- @ 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 k Ω) 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 Ω max. Short-circuit residual voltage: 0.5 V max. Minimum open impedance: 750 k Ω min. Reset input No voltage input Maximum short-circuit impedance: 10 k Ω max. Short-circuit residual voltage: 0.5 V max. Minimum open impedance: 750 k Ω min. Max. counting speed (see note) 30 Hz or 1 KHz (Switchable with switch) 20 Hz 30 Hz or 1 KHz (Switchable with switch) 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 Terminal screw tightening torque 0.98 N·m max. Ambient tempera- ture Operating: –10 °C to 55°C (with no condensation or icing) Storage: –25 °C to 65°C (with no condensation or icing) Ambient humidity Operating 25% to 85% |
类似说明 - NEW-H7EC |
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