Page top

H7E[]-N

Self-powered Totalizer

H7E[]-N

Compact Economical Totalizer with High Visibility Available with Backlit LCD Display

Total Counters "H7EC-N"

General

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.

Ratings

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

Characteristics

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.

Reference Value

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.

Time Counters "H7ET-N"

General

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".

Ratings

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%

Characteristics

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.

Reference Value

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.

Tachometers "H7ER-N"

General

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.

Ratings

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.

Characteristics

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.

Reference Value

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.

PC Board-use Counters "H7E[]-N[]P"

General

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

Ratings

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

Characteristics

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

Note: 1. Industrial electromagnetic environment (EN/IEC 61326-1 Table 2)
          2. The power supply terminals of the H7E[]-N[]P are considered as 3-VDC control terminals.