H7ET-NV-B Omron, H7ET-NV-B Datasheet - Page 13

• Manufacturer Part Number: H7ET-NV-B
• Description: COUNTER TIME 999KHRS DC INPUT
• Manufacturer: Omron
• Series: H7ETr

Specifications of H7ET-NV-B

• Operating Mode: Accumulative
• Output Type: None
• Voltage - Supply: None Required (Battery Included)
• Termination Style: Screw Terminal
• Display Type: LCD Non-Backlit
• Timing Range: 999999.9 h, 3999 d 23.9 h
• Supply Voltage: 4.5 V to 30 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: H7ET-BV; H7ETNVB; Z872

PNP/NPN Universal DC Voltage Input Model Without Backlight
1. Contact Input (Input by a Relay or Switch Contact)
AC/DC Multi-voltage Input Model
2. Solid-state Input
Note: 1. Terminals 2 and 4 (input circuit and reset circuit) are
Open collector of a
PNP transistor
or Open collector of an
NPN transistor
or Switch
or Switch
2. Select input transistors according to the following:
Relay
Relay
functionally isolated.
Dielectric strength of the collector ≥ 50 V
Leakage current < 1 µA
Input
Input
Input
Reset
Reset
Reset
Open collector of a
PNP transistor
or Open collector of an
NPN transistor
or Switch
or Open collector of
an NPN transistor
or Switch
Relay
Relay
Relay
No-voltage Input Model
1. Contact Input (Input by a Relay or Switch Contact)
Note: Use Relays and Switches that have high contact
2. Solid-state Input
Note: 1. Residual voltage in the output section of Proximity
Open collector of an
NPN transistor
(Open Collector Input of an NPN Transistor)
reliability because the current flowing from terminals 1
or 3 is as small as approx. 10 µA. It is recommended
that OMRON's G3TA-IA/ID be used as the SSR.
2. Select input transistors according to the following:
Sensors or Photoelectric Sensors becomes less
than 0.5 V because the current flowing from
terminals 1 or 3 is as small as approx. 10 µA, thus
allowing easy connection.
Relay
or Switch
Dielectric strength of the collector ≥ 50 V
Leakage current < 1 µA
Input
Terminals 2 and 4 are
internally connected.
Terminals 2 and 4 are
internally connected.
Input
Reset
Reset
Open collector of an
NPN transistor
or Switch
or Switch
Relay
New H7ET
13