H7E
@-N@P
23
Specifications
■
General
■
Ratings
Note:
ON/OFF ratio 1:1
■
Characteristics
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.
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 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
μ
s, 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/s
2
3 times each in 6 directions
Destruction:300 m/s
2
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
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