• Large display with 8.6-mm character height.
• Includes new models with backlight for improved visibility in dimly lit places. (Requires 24-VDC power supply.)
• Black and light-gray cases now available.
• PNP/NPN universal DC voltage input types now available.
• Battery is replaceable for Totalizer reuse and conservation of the environment.
• Key-protect switch to prevent faulty reset key operation.
• Dual operation mode.
• Front face compatible with NEMA4/IP66.
• Short body, all models have a depth of 48.5 mm.
• Finger protection terminal block conforms to VDE0106, Part100.
• Conforms to UL, CSA, and CE marking.
Conforms to EN61010-1 (pollution degree 2/overvoltage category III.)
• Conforms to EMC standards and EN61326, thus allowing use in residential, commercial and light- and heavy-industry environments.
• Six-language instruction manual provided.
• PCB-mounting models available. (Requires 3-V power supply.)
| 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 *1 | ||
| Reset | External/Manual reset | ||
| Number of digits | 8 | ||
| Count input | PNP/NPN universal DC voltage input | AC/DC multi-voltage input | No-voltage input |
| Display | 7-segment LCD with or without backlight, zero suppression (character height: 8.6 mm) *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 |
||
*1. Separately ordered Wire-wrap Terminals (Y92S-37) are required.
*2. Only PNP/NPN universal DC voltage input models (-H models) have a backlight.
| 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 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 | 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 * | 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 Nm max. | ||
| Ambient temperature | 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% | ||
Note: ON/OFF ratio 1:1
| Item | H7EC-NV-[] H7EC-NV-[]H |
H7EC-NFV-[] | H7EC-N-[] |
|---|---|---|---|
| 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 terminal and count 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 count 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 terminal and count input terminals/reset terminals for backlight models | 3,700 VAC, 50/60 Hz for 1 min between current-carrying metal parts 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 count 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 terminal and exposed non-current-carrying metal parts | 4.5 kV between current-carrying terminal and exposed non-current-carrying metal parts 3 kV between input terminals and reset terminals | 4.5 kV between current-carrying terminal and exposed non-current-carrying metal parts |
| Noise immunity | Square-wave noise generated by noise simulator (pulse width: 100 ns/1 μs, 1-ns rise) | ||
| ±600 V (Between count input terminals/Between reset terminals) ±480 V (Between the backlight power supply terminals for backlight models) |
±1.5 kV (Between count input terminals) ±500 V (Between reset terminals) |
±500 V (Between count 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) EN61326-1 (See note 1.) Emission Enclosure: EN55011 Group 1 class B (EMS) EN61326-1 (See note 1.) Immunity ESD: 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) |
||
| Degree of protection | Front panel: IP66, NEMA4 Terminal block: IP20 |
||
| Weight (see note 2.) | No-backlight model: Approx. 60 g Backlight model: Approx. 65 g |
Approx. 60 g | Approx. 60 g |
Note: 1. Industrial electromagnetic environment (EN/IEC 61326-1 Table 2)
2. Weight includes waterproof packing and flush mounting bracket.
| Item | Value | Note |
|---|---|---|
| Battery life | 7 years min. with continuous input at 25°C (lithium battery) |
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. |
| Item | H7ET-NV-[] H7ET-NV-[]H |
H7ET-NFV-[] | H7ET-N-[] | H7ET-NV1-[] H7ET-NV1-[]H |
H7ET-NFV1-[] | 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) *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 universal DC voltage input |
AC/DC multi- voltage input |
No-voltage input *2 |
PNP/NPN universal DC voltage input |
AC/DC multi- voltage input |
No-voltage input |
| Case color | Light gray or black (-B models) | |||||
| Attachment | Waterproof packing, Y92F-34 Flush Mounting Bracket, time unit labels *3 | |||||
| Approved standard | UL863, CSA C22.2 No.14, Lloyds Conforms to EN61010-1/IEC61010-1 (pollution degree2/overvoltage category III) Conforms to VDE0106/P100 |
|||||
*1. Only PNP/NPN universal DC voltage input models (-H models) have a backlight.
*2. The frequency range for an AC voltage is 50 to 60 Hz.
*3. “-hours”, “-d-h”, “-h-m”, and “-h-m-s” labels are included.
*4. Zero suppression: Zeros are not displayed to increase readability. For example, “000008.2” is displayed as “8.2” if
zero suppression is set. If the range is set to 3999d23.9h, the value is “008.2”.
| Item | H7ET-NV[]-[] H7ET-NV[]-[]H |
H7ET-NFV[]-[] | H7ET-N[]-[] |
|---|---|---|---|
| Supply voltage | Backlight model: 24 VDC (0.3 W max.) (for backlight) No-backlight model: Not required (powered by built-in battery) |
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 | No voltage input Maximum short-circuit impedance: 10 kΩ max. Short-circuit residual voltage: 0.5 V max. Minimum open impedance: 750 kΩ min. |
||
| Minimum pulse width | 1 s | ||
| Reset system | External reset and manual reset: Minimum signal width of 20 ms | ||
| Terminal screw tightening torque | 0.98 Nm max. | ||
| Ambient temperature | 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% | ||
| Item | 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 noncurrent-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 | 4.5 kV between current-carrying terminal and exposed non-current-carrying metal parts | 4.5 kV between current-carrying terminal and exposed non-current-carrying metal parts 3 kV between timer input terminals and reset terminals |
4.5 kV between current-carrying terminal and exposed non-current-carrying metal parts |
| Noise immunity | Square-wave noise generated by noise simulator (pulse width: 100 ns/1 μs, 1-ns rise) | ||
| ±600 V (Between timer input terminals/Between reset terminals) ±480 V (Between the backlight power supply terminals for backlight models) |
±1.5 kV (Between timer input terminals) ±500 V (Between reset terminals) |
±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) EN61326-1 (See note 1.) Emission Enclosure: EN55011 Group 1 class B (EMS) EN61326-1 (See note 1.) Immunity ESD: 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) |
||
| Degree of protection | Front panel: IP66, NEMA4 with waterproof packing Terminal block: IP20 |
||
| Weight (see note 2.) | No-backlight model: Approx. 60 g Backlight model: Approx. 65 g |
Approx. 60 g | Approx. 60 g |
Note: 1. Industrial electromagnetic environment (EN/IEC 61326-1 Table 2)
2. Weight includes waterproof packing and flush mounting bracket.
| Item | Value | Note |
|---|---|---|
| Battery life | 10 years min. with continuous input at 25°C (lithium battery) |
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. |
| Item | H7ER-NV-[] H7ER-NV-[]H |
H7ER-N-[] | H7ER-NV1-[] H7ER-NV1-[]H |
|---|---|---|---|
| Operating mode | Up type | ||
| Mounting method | Flush mounting | ||
| External connections | Screw terminals, Wire-wrap Terminals *3 | ||
| Display | 7-segment LCD with or without backlight, zero suppression (character height: 8.6 mm) *4 | ||
| Number of digits | 4 | 5 | |
| Count input | PNP/NPN universal DC voltage input |
No-voltage input | PNP/NPN universal DC voltage input |
| Max. counting speed | 1 kHz | 10 kHz | |
| Max. revolutions displayed *5 *6 |
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.) |
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) |
|
| Attachment | Waterproof packing, Y92F-34 Flush Mounting Bracket, revolution unit labels *5 | ||
| Approved standard | UL863, CSA C22.2 No.14, Lloyds Conforms to EN61010-1/IEC61010-1 (Pollution degree2/overvoltage category III) Conforms to VDE0106/P100 |
||
*1. Reset is not available.
*2. When there is no input, the display will be 0.0 or 0.
*3. Separately ordered Wire-wrap Terminals (Y92S-37) are required.
*4. Only PNP/NPN Universal DC voltage input models have a backlight.
*5. “rpm”, “rps”, “s-1” and “min-1” labels are included.
*6. “s-1” in “1,000 s-1” means the same thing as RPS. “min-1” means the same thing as RPM.
| Item | H7ER-NV[]-[] H7ER-NV[]-[]H |
H7ER-N-[] |
|---|---|---|
| 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 | 4-digit models: 1 kHz 5-digit models: 10 kHz |
1 kHz |
| Minimum signal width | 10 kHz: 0.05 ms 1 kHz: 0.5 ms * |
|
| Terminal screw tightening torque | 0.98 Nm max. | |
| Ambient temperature | 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% | |
* 5-digit models :1 kHz/10 kHz switchable.
| Item | H7ER-NV[]-[] H7ER-NV[]-[]H |
H7ER-N-[] |
|---|---|---|
| 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 count 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 |
| 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 count input terminals/reset terminals for backlight models |
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 terminal and exposed non-current-carrying metal parts | |
| Noise immunity | Square-wave noise generated by noise simulator (pulse width: 100 ns/1 μs, 1-ns rise) | |
| ±600 V (Between count input terminals) ±480 V (Between the backlight power supply terminals for backlight models) |
±500 V (Between count input 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) EN61326-1 (See note 1.) Emission Enclosure: EN55011 Group 1 class B (EMS) EN61326-1 (See note 1.) Immunity ESD: 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) |
|
| Degree of protection | Front panel: IP66, NEMA4 with waterproof packing Terminal block: IP20 |
|
| Weight (see note 2.) | No-backlight model: Approx. 60 g Backlight model: Approx. 65 g |
|
Note: 1. Industrial electromagnetic environment (EN/IEC 61326-1 Table 2)
2. Weight includes waterproof packing and flush mounting bracket.
| Item | Value | Note |
|---|---|---|
| Battery life | 7 years min. with continuous input at 25°C (lithium battery) |
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. |
| Item | Total Counter | Time Counter | |
|---|---|---|---|
| H7EC-NP | H7EC-NLP | H7ET-NP | |
| Operating mode | Up type | ||
| Mounting method | Direct mounting on PC Board or mounting on 28-pin socket | ||
| Reset | External reset, Power-OFF reset | ||
| Number of digits | 8 | 7 | |
| Time range | — | 0.0h to 999999.9h | |
| Max. counting speed | 1 kHz | 30 Hz | — |
| Count/Timer input | No-voltage input | ||
| Display | 7-segment LCD (character height: 8.6 mm) | ||
| Case color | Transparent | ||
| Approved standard | UL863, CSA C22.2 No.14 | ||
| Item | H7EC-NP H7EC-NLP |
H7ET-NP |
|---|---|---|
| Supply voltage | 3 VDC (2.7 to 3.3 VDC) | |
| Count/Timer input | 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 | ||
| Max. counting speed * | 1 kHz: Minimum signal width of 0.5 ms 30 Hz: Minimum signal width of 16.7 ms |
— |
| Minimum signal input width | — | 1 s |
| Reset system | External reset: Minimum signal width of 20 ms Power-OFF reset: Minimum power OFF time of 500 ms |
|
| Ambient temperature | 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% | |
* ON/OFF ratio 1:1
| Item | H7EC-NP H7EC-NLP |
H7ET-NP |
|---|---|---|
| Time accuracy | — | ±100 ppm (25°C) |
| Noise immunity | Square-wave noise generated by noise simulator (pulse width: 100 ns/1 μs, 1-ns rise) ±500 V (Between count or 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) EN61326-1 (See note 1.) Emission Enclosure: EN55011 Group 1 class B (EMS) EN61326-1 (See note 1.) Immunity ESD: 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 (see note): EN61000-4-6: 10 V (0.15 to 80 MHz) (level 3) Immunity Burst (see note 2.): EN61000-4-4: 2-kV I/O signal line (level 4) |
|
| Weight | Approx. 20 g | |
![ZC-[]55](https://enviromiddleeast.com/wp-content/uploads/2022/12/l_332-13-119080-198x198-1.jpg)
