H7EC-NFV Omron, H7EC-NFV Datasheet - Page 10

• Manufacturer Part Number: H7EC-NFV
• Description: COUNT TOTALIZER 7-SEG LCD 20HZ
• Manufacturer: Omron
• Series: H7ECr

Specifications of H7EC-NFV

• Count Rate: 20Hz
• Number Of Digits/alpha: 8
• Input Type: Voltage
• Voltage - Supply: None Required (Battery Included)
• Display Type: LCD Non-Backlit
• No. Of Digits / Alpha: 8
• Digit Height: 8.6mm
• Operating Temperature Range: -10°C To +55°C
• Svhc: No SVHC (15-Dec-2010)
• Count Speed Max: 20Hz
• External Depth: 48.5mm
• External Length / Height: 24mm
• External Width: 48mm
• Display Scan Rate Max: 20Hz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: H7ECNFV; H7ECNFVQ

Specifications
■ General
Note: 1. Only PNP/NPN universal DC voltage input models (-H models) have a backlight.
■ Ratings
Operating mode
Mounting method
External connections
Reset
Display
Number of digits
Time range
Timer input
Case color
Attachment
Approved standard
Supply voltage
Timer input
Reset input
Minimum pulse
width
Reset system
Terminal screw
tightening torque
Ambient tempera-
ture
Ambient humidity Operating: 25% to 85%
2. “-hours”, “-d-h”, “-h-m”, and “-h-m-s” labels are included.
Item
Item
Backlight model: 24 VDC (0.3 W max.)
(for backlight)
No-backlight model: Not required (pow-
ered by built-in battery)
High (logic) level: 4.5 to 30 VDC
Low (logic) level: 0 to 2 VDC
(Input impedance: Approx. 4.7 kΩ)
1 s
External reset and manual reset: Minimum signal width of 20 ms
0.98 N·m max.
Operating: –10°C to 55°C (with no condensation or icing)
Storage:
Accumulating
Flush mounting
Screw terminals
External/Manual reset
7-segment LCD with or without backlight, zero suppression (character height: 8.6 mm) (see note 1)
7
0.0h to 999999.9h ←→ 0.0h to 3999d23.9h
(switchable with switch)
PNP/NPN univer-
sal DC voltage in-
put
Light gray or black (-B models)
Waterproof packing, Y92F-34 Flush Mounting Bracket, time unit labels (see note 2)
UL863, CSA C22.2 No.14, Lloyds
Conforms to EN61010-1/IEC61010-1 (pollution degree2/overvoltage category III)
Conforms to VDE0106/P100
H7ET-NV-@H
H7ET-NV-@
–25°C to 65°C (with no condensation or icing)
H7ET-NV@-@H
H7ET-NV@-@
AC/DC multi-volt-
age input
H7ET-NFV-@
Not required (powered by built-in battery)
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.
No-voltage input
H7ET-N-@
H7ET-NFV@-@
0s to 999h59min59s ←→ 0.0min to 9999h59.9min
(switchable with switch)
PNP/NPN univer-
sal DC voltage in-
put
H7ET-NV1-@H
H7ET-NV1-@
No voltage input
Maximum short-circuit impedance:
10 kΩ max.
Short-circuit residual voltage: 0.5 V max.
Minimum open impedance: 750 kΩ min.
AC/DC multi-volt-
age input
H7ET-NFV1-@
H7ET-N@-@
New H7ET
No-voltage input
H7ET-N1-@
10