Terminal Arrangement; Connections; H7Ec Total Counter; Contact Input - Omron H7E Manual

Connections

■ Terminal Arrangement

Bottom view: View of the Total Counter rotated horizontally 180°
Backlight Model
Count Reset
input input
■ Connections

H7EC Total Counter

PNP/NPN Universal DC Voltage Input Model With Backlight
1. Contact Input (Input by a Relay or Switch Contact)
Relay
Backlight
24 VDC
Input
Reset
or Switch
C-12
Self-powered Total Counter
No-backlight Model
Backlight
24 VDC
Count Reset
input input
Relay
or Switch
H7EC
2. Solid-state Input
Open collector of a
PNP transistor
Input
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
Leakage current < 100 A
Note: *Recommended Power supply; eg. OMRON S8VS
Open collector of a
PNP transistor
Backlight
24 VDC*
Reset
or Open collector of an
NPN transistor
50 V