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Structure and Nomenclature
Nomenclature
Antenna assy
Head
Cover
(not removable)
SC connector
(not removable)
Principle of Operation
The Limit Touch Switch
constantly emits a high
frequency. If an object
comes in touch with the
touch antenna, ..
Antenna
Classification by Series and Features
NL1
12 VDC
Sensor
Load
power supply
NL1
The S3D2 Controller is available
and has a variety of functions,
thus ensuring ease of use.
Applicable model
Sensor Controller
S3D2-AK
NL1
S3D2-BK
S3D2-CK
S3D2-AKD
NL2
S3D2-CKD
Contact your OMRON representative for the datasheet of the S3D2.
Coil spring antenna
O-ring
LED operation
indicator
Rubber packing
Mounting hole
(with mounting pitch
conforming to DIN standards)
Cable
Constants of the
Switching circuit
oscillation circuit
will operate and
will change and
send out output
oscillation will stop.
signals.
Feedback
circuit
Oscillation
Wave detec-
NOT circuit
circuit
tion circuit
NL2
Power supply
NL2
S3D2:
100 to 240 VAC
Function
Basic operation
Memory and timer operation
Timer operation
Basic operation
Timer operation
Applicable to a variety of
purposes in combination
with a dedicated sensor
power supply.
S3D Sensor
Power Supply
NL3
Load (24 VDC, 170 mA)
L/R=0
The NL2 with 24 VDC can
directly switch the load.
Power supply voltage
100 to 240 VAC
24 VDC
100 VAC
(200 VAC)
Load with 30 to 300 mA
(cos = 1) at 100/200 VAC
NL3
Connects to 100/200 VAC
power supply and directly
switches AC loads.
NL
Power supply
100 VAC
(200 VAC)
3
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