H7ET ETC [List of Unclassifed Manufacturers], H7ET Datasheet
H7ET
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H7ET Summary of contents
Page 1
... Self-powered Time Counter H7ET • Seven digits, time range 0 to 3999d23.9h. • Dual time range: 999999.9 ←→ 3999d23.9h or 999h59m59s ←→ 9999h59.9m Model Number Structure I Model Number Legend H7ET - Count Input None: No-voltage input V: PNP/NPN universal DC voltage input ...
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... Hz Low (logic) level 2.4 VAC/VDC, 50 voltage input Maximum short-circuit impedance: 10 kΩ max. Short-circuit residual voltage: 0.5 V max. Minimum open impedance: 750 kΩ min. H7ET H7ET-NV1-@ H7ET-NFV1-@ H7ET-N1-@ AC/DC multi-volt- No-voltage input age input H7ET-N@-@ No voltage input Maximum short-circuit impedance: 10 kΩ max. ...
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... VAC, 50/60 Hz for 1 min be- tween current-carrying metal parts and exposed non-current-carrying metal parts 4.5 kV between current-carrying termi- nal and exposed non-current-carrying metal parts ±500 V (Between timer input terminals/ Between reset terminals) Approx Note H7ET C-19 ...
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... Bottom view: View of the Time Counter rotated horizontally 180° Backlight Model No-backlight Model Backlight 24 VDC Timer Reset input input I Connections H7ET Time Counter PNP/NPN Universal DC Voltage Input Model With Backlight 1. Contact Input (Input by a Relay or Switch Contact) Relay Backlight 24 VDC Input Reset or Switch C-20 ...
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... Select input transistors according to the following: Relay Self-powered Time Counter Relay Input Reset Terminals 2 and 4 are internally connected. or Switch Open collector of an NPN transistor Input Reset Terminals 2 and 4 are internally connected. or Switch Dielectric strength of the collector ≥ Leakage current < 1 µA H7ET C-21 ...
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... Operation I Operating Modes H7ET Time Counter Incrementing Operation (Up) Reset Timer input Internal clock timer value Timer display values Nomenclature Time range Setting (see note) H7ET-N@@-@@ Front panel Concave 0.0h to 3999d23.9h side 0.0h to 999999.9h Concave (default setting) side Terminal block Note: Perform switch setting before mounting to a control panel. ...
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... Use screws to secure the Counter. If waterproofing is desired, insert the waterproof packing. • When several Counters are installed, ensure that the ambient temperature will not exceed specifications. • The appropriate thickness of the panel mm. H7ET Self-powered Time Counter +0.5 0 C-23 ...