Omron H7EC Manual page 26

Specifications
I General
Item
Operating mode
Mounting method
Reset
Number of digits
Time range
Max. counting speed
Count/Timer input
Display
Case color
Approved standard
I Ratings
Item
Supply voltage
Count/Timer input
Reset input
Max. counting speed (see note)
Minimum signal input width
Reset system
Ambient temperature
Ambient humidity
Note: ON/OFF ratio 1:1
I Characteristics
Item
Time accuracy
Noise immunity
Static immunity
Vibration resistance
Shock resistance
EMC
Weight
Note: The power supply terminals of the H7E@-N@P are considered as 3-VDC control terminals.
C-32
PCB-mounting Counters
Total Counter
H7EC-NP
Up type
Direct mounting on PC Board or mounting on 28-pin socket
External reset, Power-OFF reset
8
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1 kHz
No-voltage input
7-segment LCD (character height: 8.6 mm)
Transparent
UL863, CSA C22.2 No.14
H7EC-NP
H7EC-NLP
3 VDC (2.7 to 3.3 VDC)
No voltage input
Maximum short-circuit impedance: 10 kΩ max.
Short-circuit residual voltage: 0.5 V max.
Minimum open impedance: 750 kΩ min.
1 kHz: Minimum signal width of 0.5 ms
30 Hz: Minimum signal width of 16.7 ms
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External reset: Minimum signal width of 20 ms
Power-OFF reset: Minimum power OFF time of 500 ms
Operating: -10°C to 55°C (with no condensation or icing)
Storage: -25°C to 65°C (with no condensation or icing)
Operating: 25% to 85%
H7EC-NP
H7EC-NLP
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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)
±8 kV (malfunction)
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
2
Malfunction:200 m/s 3 times each in 6 directions
2
Destruction:300 m/s 3 times each in 6 directions
(EMI)
Emission Enclosure:
(EMS)
Immunity ESD:
Immunity RF-interference from AM Radio Waves:
Immunity RF-interference from Pulse-modulated Radio Waves:
Immunity Conducted Disturbance (see note):EN61000-4-6: 10 V (0.15 to 80 MHz) (level 3)
Immunity Burst (see note):
Approx. 20 g
@-N@P @P
@-N @-N @P @P
H7E@-N
H7EC-NLP
30 Hz
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1 s
±100 ppm (25°C)
EN61326
EN55011 Group 1 class B
EN61326
EN61000-4-2: 4-kV contact discharge (level 2)
8-kV air discharge (level 3)
EN61000-4-3: 10 V/m (80 MHz to 1 GHz) (level 3)
EN61000-4-3: 10 V/m (900 MHz ± 5 MHz) (level 3)
EN61000-4-4: 2-kV I/O signal line (level 4)
Time Counter
H7ET-NP
7
0.0h to 999999.9h
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H7ET-NP
H7ET-NP