H7ET-NFV1 Omron, H7ET-NFV1 Datasheet - Page 3

• Manufacturer Part Number: H7ET-NFV1
• Description: TIME COUNTER LCD AC/DC-INPUT
• Manufacturer: Omron
• Series: H7ETr

Specifications of H7ET-NFV1

• Operating Mode: Accumulative
• Output Type: None
• Voltage - Supply: None Required (Battery Included)
• Termination Style: Screw Terminal
• Display Type: LCD Non-Backlit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: H7ETNFV1

Specifications
■ General
Note: 1. Separately ordered Wire-wrap Terminals (Y92S-37) are required.
■ Ratings
Note: ON/OFF ratio 1:1
Operating mode
Mounting method
External connections
Reset
Number of digits
Count input
Display
Max. counting speed
Case color
Attachment
Approved standard
Supply voltage
Count input
Reset input
Max. counting
speed (see note)
Minimum signal
width
Reset system
Terminal screw
tightening torque
Ambient tempera-
ture
Ambient humidity Operating 25% to 85%
2. Only PNP/NPN universal DC voltage input models (-H models) have a backlight.
Item
Item
Backlight model: 24 VDC (0.3 W max.)
(only for backlight)
No-backlight model: Not required
(powered 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)
30 Hz or 1 KHz
(Switchable with switch)
20 Hz: 25 ms
30 Hz: 16.7 ms
1 KHz: 0.5 ms
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:
–25°C to 65°C (with no condensation or icing)
H7EC-NV-@H
H7EC-NV-@
Up type
Flush mounting
Screw terminals, optional Wire-wrap Terminals (see note 1)
External/Manual reset
8
PNP/NPN universal DC voltage in-
put
7-segment LCD with or without backlight, zero suppression (character height: 8.6 mm) (see note 2)
30 Hz/1 kHz
Light gray or black (-B models)
Waterproof packing, Y92F-34 Flush Mounting Bracket
UL863, CSA C22.2 No.14, Lloyds
Conforms to EN61010-1/IEC61010-1 (Pollution degree2/overvoltage category III)
Conforms to VDE0106/P100
H7EC-NV-@H
H7EC-NV-@
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.
20 Hz
AC/DC multi-voltage input
20 Hz
H7EC-NFV-@
H7EC-NFV-@
No voltage input
Maximum short-circuit impedance:
10 kΩ max.
Short-circuit residual voltage: 0.5 V max.
Minimum open impedance: 750 kΩ min.
30 Hz or 1 KHz
(Switchable with switch)
No-voltage input
30 Hz/1 kHz
H7EC-N-@
H7EC-N-@
New H7EC
3