H7ET-NFV-B Omron Automation, H7ET-NFV-B Datasheet - Page 5

• Manufacturer Part Number: H7ET-NFV-B
• Description: Counter; Self-Powered; 7-Segment LCD; 7; Screw Terminal; 50/60 Hz; Panel Mount
• Manufacturer: Omron Automation
• Type: Timerr

Specifications of H7ET-NFV-B

• Color, Case: Black
• Connection Type: Screw
• Counter Type: Self-Powered
• Cut Out, Panel: 45×22.2 mm
• Dielectric Rating: 3700 VAC
• Digit Height: 8.6
• Dimensions: 48.5mmL×48mmW×35mmH
• Display Digit Height: 8.6 mm
• Display Type: LCD
• Frequency, Operating: 50⁄60 Hz
• Function: Timer
• Input Type: AC⁄DC Multi-Voltage Input
• Mounting Type: Panel
• Number Of Digits: 7
• Primary Type: Electronic
• Range, Measurement: 0 to 999999.9 hrs.
• Resistance, Insulation: 100 Megohms (Min.)
• Signal, Input: AC/DC Multi-Voltage
• Standards: UL Recognized, CSA Certified, CE Approved
• Temperature, Operating, Range: -10 to 55 °C
• Terminal Type: Screw Terminal
• Termination: Screw Terminal
• Weight: 60 g (Approx)
• 4-digit Tachometer: 1000 RPS (1 Pulse/Rev.), 1000 RPM (60 Pulse/Rev.)
• Lead Free Status / Rohs Status: RoHS Compliant part

Connections
■ Terminal Arrangement
Bottom view: View of the Time Counter rotated horizontally 180°
■ Connections
H7ET Time Counter
PNP/NPN Universal DC Voltage Input Model With Backlight
1. Contact Input (Input by a Relay or Switch Contact)
Backlight Model
Timer
input
or Switch
Relay
Reset
input
Input
Backlight
24 VDC
Reset
Backlight
24 VDC
No-backlight Model
or Switch
Timer
input
Relay
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 < 1 µA
Backlight
24 VDC
Reset
Open collector of a
PNP transistor
or Open collector of an
NPN transistor
New H7ET
12