Omron NXR Series User Manual page 116

5 Installation and Wiring
Unit/input power supply
Output power supply
L
Internal
circuits
Connected external device
L
Internal
circuits
Connected external device
Wiring Examples for IO-Link Devices
Wring examples between the IO-Link Master Unit and an IO-Link device are shown below.
 Wiring Example for IO-Link Devices (with Digital Inputs for Pin 2)
A wiring example for an IO-Link device with digital inputs for pin 2 is shown below. In this example,
the port is used in the following communications modes.
Pin 4: IO-Link Mode, pin 2: SIO (DO) Mode
Unit/input power supply
Output power supply
2
3
4
IO-Link device
(with digital inputs for pin 2)
5-24
U/IN P+
U/IN P-
OUT P+
OUT P-
I/Q white
Protective diode
L+ brown
Reverse current
C/Q black
I/Q white
Protective diode
L+ brown
Reverse current
C/Q black
U/IN P+
U/IN P-
OUT P+
OUT P-
I/Q white
L+ brown
1
C/Q black
L- blue
4
Reverse current
2
3
Power supply connector (input)
1
Reverse current
2
I/O connector
3
Pin2: SIO (DO) Mode
1
Pin4: IO-Link Mode
4
or
SIO (DI) Mode
L- blue
2
I/O connector
3
Pin2: SIO (DI) Mode
1
Pin4: SIO (DO) Mode
4
L- blue
IO-Link Master Unit
4
2
3
Power supply connector (input)
1
IO-Link Master Unit
2
I/O connector
3
1
4
NXR-series IO-Link Master Unit for EtherCAT User's Manual (W640)