H7ET-NV1-B Omron, H7ET-NV1-B Datasheet - Page 5

• Manufacturer Part Number: H7ET-NV1-B
• Description: COUNTER TIME 999HR DC IN NO BCKL
• Manufacturer: Omron
• Series: H7ETr

Specifications of H7ET-NV1-B

• Operating Mode: Accumulative
• Output Type: None
• Voltage - Supply: None Required (Battery Included)
• Termination Style: Screw Terminal
• Display Type: LCD Non-Backlit
• Timing Range: 999 h 59 m 59 s, 9999 h 59.9 m
• No. Of Digits / Alpha: 7
• Digit Height: 8.6mm
• Power Consumption: 300mW
• Operating Temperature Range: -10°C To +55°C
• Svhc: No SVHC (15-Dec-2010)
• External Depth: 48.5mm
• External Length / Height: 24mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: H7ETNV1B; Z1149

Connections
■ Terminal Arrangement
Bottom view: View of the Total Counter rotated horizontally 180°
■ Connections
H7EC Total Counter
PNP/NPN Universal DC Voltage Input Model With Backlight
1. Contact Input (Input by a Relay or Switch Contact)
Backlight Model
or Switch
Relay
Count
input
Input
Reset
input
Reset
Backlight
24 VDC
Backlight
24 VDC
No-backlight Model
or Switch
Relay
Count
input
Reset
input
2. Solid-state Input
Note: 1. Terminals 2 and 4 (input circuit and reset circuit) are func-
Open collector of a
PNP transistor
or Open collector of an
NPN transistor
2. Select input transistors according to the following:
tionally isolated.
Input
Dielectric strength of the collector ≥ 50 V
Leakage current < 100 µA
Reset
Backlight
24 VDC
Open collector of a
PNP transistor
or Open collector of an
NPN transistor
New H7EC
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