4
NL
Connections
Output Circuit Diagrams
Note: The 0-V power supply side will be connected to the casing if the model is the NL1 or NL2.
External Connection
Sensor Power Supply (S3D2)
The use of the S3D2 is recommended for supplying 12 VDC to the
NL2 (or 24 VDC to the NL2) and converting the output of the NL into
relay or open collector output in versatile timing control. The NL3 does
not require a sensor power supply.
Be sure to wire the cable correctly according to the color of each lead wire. Do not wire power lines or high-tension lines alongside the
cable.
The use of S3D2 is recommended as a power supply to the NL1. Contact your OMRON representative for the datasheet of the S3D2.
Note: 1. The lead wire colors of the NL have been changed in compliance with the latest applicable JIS standards. Colors in parentheses are previous ones.
2. The figures in the S3D2 illustration indicate the terminal numbers of the socket.
3. Use a three-conductor cable with a minimum thickness of 0.75 mm to connect the NL and the Sensor Power Supply or other devices with no built-in contacts.
The cable can be extended up to 100 m on condition that the cable is wired in an independent conduit.
0 V
Output
+12 VDC
Brown (Red)
Black (White)
Blue (Black)
4.7 k
Ω
Switch
main
circuit
+24 VDC
0 V
Output
Brown (Red)
Black
(White)
Blue (Black)
2.2
Ω
Switch
main
circuit
Load
Output
100 VAC, 200 VAC
Brown (Red)
Black
(White)
Blue (Black)
Switch
main
circuit
Load
NL1
NL2
NL3
S3D2 Controller Unit
Applicable model
Sensor Controller
Power supply
voltage
NL1
S3D2-AK
Basic operation
S3D2-BK
Memory and timer
operation
S3D2-CK
Timer operation
NL2
S3D2-AKD
Basic operation
S3D2-CKD
Timer operation
S3D2-AK
NL1
NL2
OUT Black
(White)
0 V Blue
(Black)
Bro
wn
(Red)
IN1
IN2
NORM INV
Blac
k
(White)
Blue
(Blac
k)
+12 VDC Brown (Red)
* Ground the blue (black) wire.
* Be sure to ground the blue (black)
line of the NL3.
Black
(White)
(Output)
Blue (Black) *
External circuit
A maximum DC load of 170 mA
(with no inductance or resistance).
Can be switched directly.
Blue (Black)
24 VDC
0 V
10
7
11
8
12
9
1
4
2
5
3
6
Load
NL3
Black
(White)
(Output)
Blue (Black) *
External circuit
A maximum AC load of 300 mA
(cos
φ
= 1).
Can be switched directly.
Brown (Red)
100 VAC or
200 VAC
Load