Omron NX-ID3343 User Manual page 108

4 Installation and Wiring
The voltages and currents related to the conditions for NPN type sensors are shown in the figure
below.
Two-wire sensor
The voltages and currents related to the conditions for PNP type sensors are shown in the figure
below.
Two-wire sensor
V : Power supply voltage
CC
V : Sensor's output residual voltage
R
I : Sensor control output (load current)
OUT
I : Input current of DC Input Unit (Input current when the rated voltage is applied)
ON
R: Bleeder resistor
R : Input resistor of DC Input Unit
IN
4 - 40
IOV
IOG
IOV
R
V
I I
CC
OUT in IN
V
R
IOG
IOV
IOG
IOV
V V
R CC
I I
IN
OUT in
R
IOG
Communications Coupler Unit or
Additional I/O Power Supply Unit
R
IN
DC Input Unit
Communications Coupler Unit or
Additional I/O Power Supply Unit
DC Input Unit
R
IN
NX-series Digital I/O Unit User's Manual (W521)