H7ET-NFV Omron, H7ET-NFV Datasheet - Page 23

• Manufacturer Part Number: H7ET-NFV
• Description: Timer Totalizer LCD
• Manufacturer: Omron
• Series: H7ETr

Specifications of H7ET-NFV

• Operating Mode: Accumulative
• Output Type: None
• Voltage - Supply: None Required (Battery Included)
• Termination Style: Screw Terminal
• Display Type: LCD Non-Backlit
• No. Of Digits / Alpha: 7
• Operating Temperature Range: -10°C To +55°C
• Rohs Compliant: Yes
• Supply Voltage Range: 24VAC To 240VAC / 24VDC To 240VDC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: H7ETNFV; H7ETNFVQ1

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.
Operating mode
Mounting method
Reset
Number of digits
Time range
Max. counting speed
Count/Timer input
Display
Case color
Approved standard
Supply voltage
Count/Timer input
Reset input
Max. counting speed (see note)
Minimum signal input width
Reset system
Ambient temperature
Ambient humidity
Time accuracy
Noise immunity
Static immunity
Vibration resistance
Shock resistance
EMC
Weight
Item
Item
Item
Up type
Direct mounting on PC Board or mounting on 28-pin socket
External reset, Power-OFF reset
8
---
1 kHz
No-voltage input
7-segment LCD (character height: 8.6 mm)
Transparent
UL863, CSA C22.2 No.14
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
---
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:
Operating: 25% to 85%
---
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
Malfunction:200 m/s
Destruction:300 m/s
(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
H7EC-NP
–25°C to 65°C (with no condensation or icing)
2
2
H7EC-NLP
H7EC-NLP
H7EC-NP
H7EC-NP
3 times each in 6 directions
3 times each in 6 directions
Total Counter
30 Hz
EN61326
EN55011 Group 1 class B
EN61326
EN61000-4-2: 4-kV contact discharge (level 2)
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)
H7EC-NLP
---
1 s
±100 ppm (25°C)
8-kV air discharge (level 3)
7
0.0h to 999999.9h
---
H7ET-NP
H7ET-NP
Time Counter
H7E@-N@P
H7ET-NP
23