H7EC datasheet(23/33 Pages) OMRON

23 / 33 page

H7E

@-N@P

Specifications

■ General

■ Ratings

Note: ON/OFF ratio 1:1

■ Characteristics

Note: The power supply terminals of the H7E

@-N@P are considered as 3-VDC control terminals.

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

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 k

Ω max.

Short-circuit residual voltage: 0.5 V max.

Minimum open impedance: 750 k

Ω min.

Reset input

Max. counting speed (see note)

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%

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

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 (see note):EN61000-4-6: 10 V (0.15 to 80 MHz) (level 3)

Immunity Burst (see note):

EN61000-4-4: 2-kV I/O signal line (level 4)

Weight

Approx. 20 g

H7EC Datasheet(PDF) 23 Page - Omron Electronics LLC

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