4 Installation and Wiring
4 - 40
NX-series Digital I/O Unit User’s Manual (W521)
The voltages and currents related to the conditions for NPN type sensors are shown in the figure
below.
The voltages and currents related to the conditions for PNP type sensors are shown in the figure
below.
V
CC
: Power supply voltage
V
R
: Sensor's output residual voltage
I
OUT
: Sensor control output (load current)
I
ON
: Input current of DC Input Unit (Input current when the rated voltage is applied)
R: Bleeder resistor
R
IN
: Input resistor of DC Input Unit
IN
IOG
IOV
IOG
IOV
V
R
V
CC
R
I
in
I
OUT
R
IN
Two-wire sensor
DC Input Unit
Communications Coupler Unit or
Additional I/O Power Supply Unit
I
OUT
IOG
IOV
IOG
IOV
IN
V
R
V
CC
R
I
in
R
IN
Two-wire sensor
DC Input Unit
Communications Coupler Unit or
Additional I/O Power Supply Unit
Summary of Contents for NX-IA3117
Page 34: ...Sections in this Manual 32 NX series Digital I O Unit User s Manual W521...
Page 52: ...1 Features and System Configuration 1 18 NX series Digital I O Unit User s Manual W521...
Page 56: ...2 Specifications 2 4 NX series Digital I O Unit User s Manual W521...
Page 152: ...5 I O Refreshing 5 36 NX series Digital I O Unit User s Manual W521...
Page 204: ...8 Digital Mixed I O Units 8 8 NX series Digital I O Unit User s Manual W521...
Page 224: ...9 Troubleshooting 9 20 NX series Digital I O Unit User s Manual W521...
Page 230: ...10 Inspection and Maintenance 10 6 NX series Digital I O Unit User s Manual W521...
Page 337: ...I 1 I NX series Digital I O Unit User s Manual W521 Index...
Page 340: ...I 4 NX series Digital I O Unit User s Manual W521 Index...
