Omron H7EC-NV-H, H7EC-NV-BH, H7EC-NV, H7EC-NV-B, H7EC-NFV User Manual

Self-powered Totalizer H7E C-7

Counters

Self-powered Totalizer

H7E

Compact Economical Totalizer with High Visibility
Available with Backlit LCD Display

• 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.)

■ Broad Line-up of the H7E Series

Contents

Self-powered Totalizers

H7EC..................................................................................................................... C-9

H7ET ..................................................................................................................... C-17

H7ER..................................................................................................................... C-25

H7E@-N@P ........................................................................................................... C-31

Common to All Totalizers

Accessories........................................................................................................... C-35

Precautions ........................................................................................................... C-37

RC

H7E

Total Counter

• 8-digit

Time Counter Tachometer

H7EC H7ET H7ER H7E@-N@P

PCB-mounting Counter

• Total Counter (8-digit)

• Time Counter (999999.9h)

• 999999.9h/

3999d23.9h

• 999h59min59s/

9999h59.9min

• 1,000 s

-1

with

1 pulse/rev. encoder

• 1,000.0 s

-1

with

10 pulse/rev. encoder

• 1,000 min

-1

with

60 pulse/rev. encoder

• 10,000 min

-1

with

60 pulse/rev. encoder

• 1,000.0 min

-1

with

600 pulse/rev. encoder

C-8 Self-powered Totalizer H7E

Self-powered Total Counter H7EC C-9

Counters

Self-powered Total Counter

H7EC

• Eight-digits, counting range 0 to 99999999.

• Dual input speed: 30 Hz ←→ 1 kHz (except for AC/DC multi­voltage input models)

Model Number Structure

■ Model Number Legend

Ordering Information

■ Total Counters

■ Accessories (Order Separately)

Note: The New H7E models are supplied with a Y92F-34 Mounting Bracket.

1 2 3

H7EC - N -

1. Count Input

2. Case Color

3. Display

None: No-voltage input
V: PNP/NPN universal DC voltage input
FV: AC/DC multi-voltage input

None: Light gray
B: Black

None: 7-segment LCD without backlight
H: 7-segment LCD with backlight

Count input Max. counting speed Display Model

Light-gray body Black body

PNP/NPN universal DC
voltage input

30 Hz ←→ 1 kHz
(switchable)

7-segment LCD with
backlight

H7EC-NV-H H7EC-NV-BH

7-segment LCD H7EC-NV H7EC-NV-B

AC/DC multi-voltage input 20 Hz 7-segment LCD H7EC-NFV H7EC-NFV-B
No-voltage 30 Hz ←→ 1 kHz

(switchable)

7-segment LCD H7EC-N H7EC-N-B

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

C-10 Self-powered Total Counter H7EC

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, 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 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 (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 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%

Self-powered Total Counter H7EC C-11

Counters

■ Characteristics

Note: Weight includes waterproof packing and flush mounting bracket.

■ Reference Value

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/s

2

3 times each in 6 directions

Destruction: 300 m/s

2

3 times each in 6 directions

EMC (EMI) EN61326

Emission Enclosure: EN55011 Group 1 class B
(EMS) EN61326
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) No-backlight model: Approx. 60 g

Backlight model: Approx. 65 g

Approx. 60 g Approx. 60 g

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.

C-12 Self-powered Total Counter H7EC

Connections

■ Terminal Arrangement

Bottom view: View of the Total Counter rotated horizontally 180°

■ Connections

H7EC Total Counter

Note: 1. Terminals 2 and 4 (input circuit and reset circuit) are func-

tionally isolated.

2. Select input transistors according to the following:

Dielectric strength of the collector ≥ 50 V
Leakage current < 100 µA

Note: *Recommended Power supply; eg. OMRON S8VS

Backlight Model No-backlight Model

Backlight
24 VDC

Count
input

Reset
input

Count
input

Reset
input

PNP/NPN Universal DC Voltage Input Model With Backlight

1. Contact Input (Input by a Relay or Switch Contact) 2. Solid-state Input

Relay

Input

Reset

Relay

or Switch or Switch

Input

Reset

Backlight
24 VDC

Open collector of a
PNP transistor

Open collector of a
PNP transistor

Backlight
24 VDC*

or Open collector of an
NPN transistor

or Open collector of an
NPN transistor

Self-powered Total Counter H7EC C-13

Counters

No-voltage Input Model

1. Contact Input (Input by a Relay or Switch Contact)

AC/DC Multi-voltage Input Model

PNP/NPN Universal DC Voltage Input Model Without Backlight

1. Contact Input (Input by a Relay or Switch Contact)

2. Solid-state Input

Relay

Input Reset

Relay

or Switch or Switch

or Switch

Input

Reset

Relay

Relay

Input

Reset

or Switch

or Switch

Relay

Input

Reset

Relay

or Switch or Switch

Input

Reset

Open collector of a
PNP transistor

Open collector of a
PNP transistor

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 < 100 µA

or Open collector of
an NPN transistor

Note: Select input transistors according to the following:

Dielectric strength of the collector ≥ 50 V
Leakage current < 1 µA

Ter minals 2 and 4 are
internally connected.

Note: Use Relays and Switches that have high contact reli-

ability because the current flowing from terminals 1 or
3 is small. It is recommended that OMRON's G3TA­IA/ID be used as the SSR.

2. Solid-state Input
(Open Collector Input of an NPN Transistor)

Open collector of an
NPN transistor

Open collector of an
NPN transistor

Ter minals 2 and 4 are
internally connected.

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 small thus allowing easy connection.

2. Select input transistors according to the following:

Dielectric strength of the collector ≥ 50 V
Leakage current < 1 µA

C-14 Self-powered Total Counter H7EC

Operation

■ Operating Modes

Nomenclature

Note: Perform switch setting before mounting to a control panel.

H7EC Total Counter

Reset

Counting display values

Full-scale

Count input

Incrementing Operation
(Up)

(Full-scale

−

1)

H7EC

1 kHz

Front view

Bottom view

Reset Key

Key-protect Switch

Counting speed switch

Key-protect

Front panel

ON

Ter minal block

Counting speed

Front panel

Ter minal block

For all models except for H7EC-NFV-@.
If the counting speed setting is changed,
the present value will not be held and so
press the Reset Key on the front panel.

Setting

(see note)

30 Hz

(default setting)

Setting

(see note)

OFF

(default setting)

Reset the count value. Not operable
under key-protect.

Concave
side

Concave
side

The Reset Key is not operable while the
key-protect switch is set to ON.

Concave
side

Concave
side

Self-powered Total Counter H7EC C-15

Counters

Dimensions

Note: All units are in millimeters unless otherwise indicated.

H7EC-N

Note: A Compact Flush Mounting Bracket (Y92F-35) can also be used. Refer to Accessories for details.

22.2

+0.5

0

45

+0.5

0

22.2

+0.5

0

Panel Cutout

Dimensions with Flush Mounting Bracket

Separate mounting

Dense mounting

40 min.

(48 Units − 2.5)

+1.0

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.

M3.5 terminal screw

C-16 Self-powered Total Counter H7EC

Self-powered Time Counter H7ET C-17

Counters

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

■ Model Number Legend

Ordering Information

■ Time Counters

■ Accessories (Order Separately)

Note: The New H7E models are supplied with a Y92F-34 Mounting Bracket.

1 2 3 4

H7ET - N -

1. Count Input

2. Time Range

3. Case Color

4. Display

None: No-voltage input
V: PNP/NPN universal DC voltage input
FV: AC/DC multi-voltage input

None: 999999.9h/3999d23.9h
1: 999h59m59s/9999h59.9m

None: Light gray
B: Black

None: 7-segment LCD without backlight
H: 7-segment LCD with backlight

Timer input Display Time range

999999.9h ←→ 3999d23.9h
(switchable)

999h59min59s ←→ 9999h59.9min

(switchable)

Light-gray body Black body Light-gray body Black body

PNP/NPN universal DC volt­age input

7-segment LCD with back­light

H7ET-NV-H H7ET-NV-BH H7ET-NV1-H 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

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