New H7ET
Connections
■ Terminal Arrangement
Bottom view: View of the Time Counter rotated horizontally 180°
Backlight Model
No-backlight Model
Backlight
24 VDC
Timer
input
Reset
input
Timer
input
Reset
input
■ Connections
H7ET Time Counter
PNP/NPN Universal DC Voltage Input Model With Backlight
1. Contact Input (Input by a Relay or Switch Contact)
2. Solid-state Input
Open collector of a
PNP transistor
Open collector of a
PNP transistor
Relay
Relay
Backlight
24 VDC
Backlight
24 VDC
Input
Reset
Input
Reset
or Switch
or Switch
or Open collector of an
NPN transistor
or Open collector of an
NPN transistor
Note: 1. Terminals 2 and 4 (input circuit and reset circuit) are func-
tionally isolated.
2. Select input transistors according to the following:
Dielectric strength of the collector ≥ 50 V
Leakage current < 1 µA
12
OMRON [ OMRON ELECTRONICS LLC ]
