Omron 3G3MX2 - Page 52

2-25
2-2 Wiring
SYSDRIVE MX2 Series USER'S MANUAL (3G3MX2-A@@@@)
2
Design
2. For Source Logic
P24
PSC
SC
S1
Shorting line
P24
PSC
SC
S1
Switch OFF
Without this diode, a sneak current path is
generated and the input turns ON when
the switch is OFF.
Power ON
Power OFF
Shorting
line
Input ON
P24
PSC
SC
S1
P24
PSC
SC
S1
Switch OFF
Install a diode instead of the shorting
bar to prevent the sneak current path.
Power ON
Power OFF
Input OFF
P24
PSC
SC
S1
P24
PSC
SC
S1
Power ON
Power OFF
Input OFF
Add diodes.
Change to an external
power supply.
24-VDC
power
supply
Switch OFF
A sneak current path will not occur if
the short bar is removed and an
external power supply is used.