Self-powered Time Counter H7ET Counters • Seven digits, time range 0 to 3999d23.9h. • Dual time range: 999999.9 ←→ 3999d23.9h or 999h59m59s ←→ 9999h59.9m Model Number Structure ■ Model Number Legend H7ET - N 1 2 3 4 1. Count Input None: No-voltage input V: PNP/NPN universal DC voltage input FV: AC/DC multi-voltage input 3. Case Color None: Light gray B: Black 4. Display None: 7-segment LCD without backlight H: 7-segment LCD with backlight 2. Time Range None: 999999.9h/3999d23.9h 1: 999h59m59s/9999h59.9m Ordering Information ■ Time Counters Timer input Display Time range 999999.9h ←→ 3999d23.9h (switchable) Light-gray body PNP/NPN universal DC volt- 7-segment LCD with backage input light Black body 999h59min59s ←→ 9999h59.9min (switchable) Light-gray body H7ET-NV-H H7ET-NV-BH H7ET-NV1-H Black body H7ET-NV1-BH 7-segment LCD H7ET-NV H7ET-NV-B H7ET-NV1 H7ET-NV1-B AC/DC multi-voltage input 7-segment LCD H7ET-NFV H7ET-NFV-B H7ET-NFV1 H7ET-NFV1-B No-voltage input 7-segment LCD H7ET-N H7ET-N-B H7ET-N1 H7ET-N1-B ■ Accessories (Order Separately) Lithium Battery Y92S-36 Wire-wrap Terminal (set of two terminals) Y92S-37 Compact Flush Mounting Bracket (See note.) Y92F-35 Flush Mounting Adapter 26 mm × 45.3 mm Y92F-75 27.5 mm × 52.5 mm Y92F-76 24.8 mm × 48.8 mm Y92F-77B Note: The New H7E models are supplied with a Y92F-34 Mounting Bracket. Self-powered Time Counter H7ET C-17 Specifications ■ General Item H7ET-NV-@ H7ET-NV-@H H7ET-NFV-@ H7ET-N-@ H7ET-NFV1-@ H7ET-NV1-@ H7ET-NV1-@H H7ET-N1-@ Operating mode Accumulating Mounting method Flush mounting External connections Screw terminals Reset External/Manual reset Display 7-segment LCD with or without backlight, zero suppression (character height: 8.6 mm) (see note 1) Number of digits 7 Time range 0.0h to 999999.9h ←→ 0.0h to 3999d23.9h (switchable with switch) 0s to 999h59min59s ←→ 0.0min to 9999h59.9min (switchable with switch) Timer input PNP/NPN univer- AC/DC multi-voltsal DC voltage in- age input put PNP/NPN univer- AC/DC multi-voltsal DC voltage in- age input put Case color Light gray or black (-B models) Attachment Waterproof packing, flush mounting bracket, time unit labels (see note 2) Approved standard UL863, CSA C22.2 No.14, Lloyds Conforms to EN61010-1/IEC61010-1 (pollution degree2/overvoltage category III) Conforms to VDE0106/P100 No-voltage input No-voltage input Note: 1. Only PNP/NPN universal DC voltage input models (-H models) have a backlight. 2. “-hours”, “-d-h”, “-h-m”, and “-h-m-s” labels are included. ■ Ratings Item H7ET-NV@-@ H7ET-NV@-@H H7ET-NFV@-@ H7ET-N@-@ Supply voltage Backlight model: 24 VDC (0.3 W max.) Not required (powered by built-in battery) (for backlight) No-backlight model: Not required (powered by built-in battery) Timer input High (logic) level: 4.5 to 30 VDC Low (logic) level: 0 to 2 VDC (Input impedance: Approx. 4.7 kΩ) 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 kΩ max. Short-circuit residual voltage: 0.5 V max. Minimum open impedance: 750 kΩ min. Reset input Minimum pulse width 1s Reset system External reset and manual reset: Minimum signal width of 20 ms Terminal screw tightening torque 0.98 N·m max. Ambient tempera- Operating: -10°C to 55°C (with no condensation or icing) Storage: -25°C to 65°C (with no condensation or icing) ture Ambient humidity C-18 Operating: 25% to 85% Self-powered Time Counter H7ET No voltage input Maximum short-circuit impedance: 10 kΩ max. Short-circuit residual voltage: 0.5 V max. Minimum open impedance: 750 kΩ min. ■ Characteristics H7ET-NV@-@ H7ET-NV@-H@ H7ET-NFV@-@ H7ET-N@-@ Time accuracy ±100 ppm (25°C) Insulation resistance 100 MΩ min. (at 500 VDC) between current-carrying metal parts and exposed non-current-carrying metal parts, and between the backlight power supply and timer input terminals/reset terminals for backlight models 100 MΩ min. (at 500 VDC) between current-carrying metal parts and exposed non-current-carrying metal parts and between timer input terminals and reset terminals 100 MΩ min. (at 500 VDC) between current-carrying metal parts and exposed non-current-carrying metal parts Dielectric strength 1,000 VAC, 50/60 Hz for 1 min between current-carrying metal parts and exposed non-current-carrying metal parts and between the backlight power supply and timer input terminals/reset terminals for backlight models 3,700 VAC, 50/60 Hz for 1 min between timer input terminals and exposed non-current-carrying metal parts 2,200 VAC, 50/60 Hz for 1 min between reset terminals and exposed non-current-carrying metal parts and between timer input terminals and reset terminals 1,000 VAC, 50/60 Hz for 1 min between current-carrying metal parts and exposed non-current-carrying metal parts Impulse withstand voltage 4.5 kV between current-carrying termi- 4.5 kV between current-carrying termi- 4.5 kV between current-carrying terminal and exposed non-current-carrying nal and exposed non-current-carrying nal and exposed non-current-carrying metal parts metal parts metal parts 3 kV between timer input terminals and reset terminals Noise immunity Square-wave noise generated by noise simulator (pulse width: 100 ns/1 µs, 1-ns rise) ±600 V (Between timer input terminals/ ±1.5 kV (Between timer input termiBetween reset terminals) nals) ±480 V (Between the backlight power ±500 V (Between reset terminals) supply terminals for backlight models) ±500 V (Between timer input terminals/ Between reset terminals) Static immunity ±8 kV (malfunction) Vibration resistance Malfunction: 0.15-mm single amplitude at 10 to 55 Hz for 10 min each in 3 directions Destruction: 0.375-mm single amplitude at 10 to 55 Hz for 2 hrs each in 3 directions Shock resistance Malfunction: 200 m/s2 3 times each in 6 directions Destruction: 300 m/s2 3 times each in 6 directions EMC (EMI) Emission Enclosure: (EMS) Immunity ESD: Degree of protection Front panel: IP66, NEMA4 with waterproof packing Terminal block: IP20 Weight (see note) No-backlight model: Approx. 60 g Backlight model: Approx. 65 g EN61326 EN55011 Group 1 class B EN61326 EN61000-4-2: 4 kV contact discharge (level 2) 8 kV air discharge (level 3) Immunity RF-interference from AM Radio Waves: EN61000-4-3: 10 V/m (80 MHz to 1 GHz) (level 3) Immunity RF-interference from Pulse-modulated Radio Waves: EN61000-4-3: 10 V/m (900 MHz ± 5 MHz) (level 3) Immunity Conducted Disturbance: EN61000-4-6: 10 V (0.15 to 80 MHz) (level 3) Immunity Burst: EN61000-4-4: 2 kV power line (level 3) 2 kV I/O signal line (level 4) Approx. 60 g Approx. 60 g Note: Weight includes waterproof packing and flush mounting bracket. ■ Reference Value Item Battery life Value 10 years min. with continuous input at 25°C (lithium battery) Note The battery life is calculated according to the conditions in the left column and therefore is not a guaranteed value. Use these value as reference for maintenance or replacement. Self-powered Time Counter H7ET C-19 Counters Item Connections ■ Terminal Arrangement Bottom view: View of the Time Counter rotated horizontally 180° Backlight Model No-backlight Model Backlight 24 VDC Timer input Timer input Reset input Reset input ■ Connections H7ET Time Counter PNP/NPN Universal DC Voltage Input Model With Backlight 1. Contact Input (Input by a Relay or Switch Contact) Relay Relay 2. Solid-state Input Open collector of a PNP transistor Backlight 24 VDC Input Input or Switch Open collector of a Backlight PNP transistor 24 VDC Reset Reset or Switch or Open collector of an NPN transistor or Open collector of an NPN transistor Note: 1. Terminals 2 and 4 (input circuit and reset circuit) are functionally isolated. 2. Select input transistors according to the following: Dielectric strength of the collector ≥ 50 V Leakage current < 1 µA C-20 Self-powered Time Counter H7ET PNP/NPN Universal DC Voltage Input Model Without Backlight No-voltage Input Model 1. Contact Input (Input by a Relay or Switch Contact) Relay 1. Contact Input (Input by a Relay or Switch Contact) Relay Relay Input Input Relay Reset Reset or Switch or Switch Counters Terminals 2 and 4 are internally connected. or Switch or Switch 2. Solid-state Input Open collector of a PNP transistor Open collector of a PNP transistor Input Note: Use Relays and Switches that have high contact reliability because the current flowing from terminals 1 or 3 is as small as approx. 10 µA. It is recommended that OMRON's G3TA-IA/ID be used as the SSR. 2. Solid-state Input (Open Collector Input of an NPN Transistor) Reset Open collector of an NPN transistor Input or Open collector of an NPN transistor or Open collector of an NPN transistor Note: 1. Terminals 2 and 4 (input circuit and reset circuit) are functionally isolated. 2. Select input transistors according to the following: Dielectric strength of the collector ≥ 50 V Leakage current < 1 µA Reset Terminals 2 and 4 are internally connected. Open collector of an NPN transistor or Switch Note: 1. Residual voltage in the output section of Proximity Sensors or Photoelectric Sensors becomes less than 0.5 V because the current flowing from terminals 1 or 3 is as small as approx. 10 µA, thus allowing easy connection. 2. Select input transistors according to the following: Dielectric strength of the collector ≥ 50 V Leakage current < 1 µA AC/DC Multi-voltage Input Model Relay Input or Switch Reset Relay or Switch or Open collector of an NPN transistor Self-powered Time Counter H7ET C-21 Operation ■ Operating Modes H7ET Time Counter Incrementing Operation (Up) Reset Timer input Internal clock timer value Full-scale (Full-scale −0.1 (1)) Timer display values Nomenclature Front view H7ET Time-range switch If the time-range setting is changed, the present value will not be held and so press the Reset Key on the front panel. Reset Key Reset the count value. Not operable under key-protect. Key-protect Switch The Reset Key is not operable while the key-protect switch is set to ON. Setting (see note) Key-protect Front panel Setting (see note) Time range H7ET-N@@-@@ H7ET-N@@1-@@ 0.0h to 3999d23.9h 0s to 999h59min59s (default setting) Bottom view Concave side OFF (default setting) Concave side ON Front panel Concave side Terminal block Concave side 0.0h to 999999.9h (default setting) 0.0min to 9999h59.9min Terminal block Note: Perform switch setting before mounting to a control panel. C-22 Self-powered Time Counter H7ET Dimensions Note: All units are in millimeters unless otherwise indicated. Counters H7ET-N Panel Cutout Separate mounting 40 min. 45+0.5 0 Dimensions with Flush Mounting Bracket 22.2+0.5 0 Dense mounting +1.0 (48 Units − 2.5) 0 22.2+0.5 0 Waterproofing is not possible for dense mounting • When mounting, insert the Counter into the cutout, insert the adapter from the back and push in the Counter while making the gap between the front panel and the cutout panel as small as possible. 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 is 1 to 5 mm. Note: A Compact Flush Mounting Bracket (Y92F-35) can also be used. Refer to Accessories for details. Self-powered Time Counter H7ET C-23