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

• Manufacturer Part Number: H7ET-N-B
• Description: Totalizer; Time; 24 VDC (Only for backlight); Digital; LCD; 7; 0.0 to 999999.9
• Manufacturer: Omron Automation
• Type: Timerr

Specifications of H7ET-N-B

• Color, Case: Black
• Connection Type: Screw
• Counter Type: Time
• Cut Out, Panel: 45×22.2 mm
• Dielectric Rating: 1,000 VAC, 50⁄60 Hz for 1
• Digit Height: 8.6
• Dimensions: 48.5mmL×48mmW×35mmH
• Display Digit Height: 8.6 mm
• Display Range: 0.0 to 999999.9
• Display Type: LCD
• Function: Timer
• Input Type: Count
• Memory Type: Lithium Battery
• Mounting Type: Panel
• Number Of Digits: 8
• Output Type: Digital
• Primary Type: Electronic
• Range, Measurement: 0 to 999999.9 hrs.
• Resistance, Insulation: 100 M≠ (Min.) @ 500 VDC
• Signal, Input: No Voltage
• Standards: UL Recognized, CSA Certified, CE Marked
• Temperature, Operating, Range: -10 to +55 °C
• Terminal Type: Screw Terminal
• Termination: Screw Terminal
• Voltage, Supply: 24 VDC
• Weight: 65 g
• 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