Keyence FS-N41N, FS-N41P, FS-N43N, FS-N42N, FS-N42P Instruction Manual
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Digital Fiberoptic Sensor
96M14746
CAUTION
NOTICE
NOTICE
OP-88245
OP-26751 (a set of two)
Fiber
Always insert fiber from the side with writing
Fiber cutter
(OP-87098)
(2)
(1)
Fiber insertion sign
Singlecore
Transmission
Reception
Multicore
Brown*1
Black (output 1）
White
*2
（output 2）
Pink
*2
Load
Load
10 to 30 VDC
0 V
Blue
*1
Brown*1
Black (output 1）
White
*2
（output 2）
Pink
*2
Load
Load
10 to 30 VDC
0 V
Blue
*1
FS-N40 Series
Instruction Manual
Read this manual before using the product
in order to achieve maximum performance.
Keep this manual in a safe place after reading it so that it can be used at any time.
For detailed FS-N40 Series setting methods and for details on the functions of the FS-N40
Series, see the “FS-N40 Series User's Manual”.
Symbols
The following symbols are used in this instruction manual to enable the recognition
of important information at a glance. Be sure to read these messages carefully.
It indicates a hazardous situation which, if not avoided, will result
DANGER
in death or serious injury.
It indicates a hazardous situation which, if not avoided, could
WARNING
result in death or serious injury.
It indicates a hazardous situation which, if not avoided, could
CAUTION
result in minor or moderate injury.
It indicates a situation which, if not avoided, could result in product
NOTICE
damage as well as property damage.
2 Installation and Wiring
Mounting the Main Unit
Mounting the Main Unit on a DIN rail
1 Align the claw at the bottom of the main unit with the
DIN rail, as shown in the figure. While pushing the
main body in the direction of arrow 1, push down in
the direction of arrow 2.
2 To remove the sensor, raise the main body in the
direction of arrow 3 while pushing the main body in
the direction of arrow 1.
Installation on a wall (main unit only)
1 Attach the main unit to the optional mounting
adapter (OP-88245), and then insert M3 screws into
the two locations shown in the figure to secure the
main unit in place.
Connecting Multiple Amplifiers
Up to 16 expansion units can be connected to 1 main unit. However, each dual
output type will be treated as 2 expansion units.
When connecting to multiple amplifiers or when mounting main units
together, mount the units on a DIN rail installed on a metal surface.
•
Be sure to turn the power off before connecting multiple expansion units.
•
Do not touch the expansion connector.
1 Remove the protection covers from the main unit
and expansion unit(s).
(3)
(2)
(1)
1 Before Operation
Safety Precautions
•
This product is only intended to detect objects. Do not use this product for
the purpose of protecting a human body or a part of a human body.
•
This product is not intended for use as an explosion-proof product. Do not
DANGER
use this product in a hazardous location and/or potentially explosive
atmosphere.
•
WARNING
NOTICE
Precautions on Regulations and Standards
CE Marking
KEYENCE Corporation has confirmed, on the basis of the following specifications,
that this product complies with the essential requirements of the applicable EU
Directive(s). Be sure to consider the following specifications when using this
product in the member states of the European Union.
z EMC Directive, applicable standard: EN60947-5-2, Class A
Ensure that the cable length is 30 meters or less.
These specifications do not give any guarantee that the end-product with this
product incorporated complies with the essential requirements of the EMC
Directive. The manufacturer of the end-product is solely responsible for confirming
the compliance of the end-product itself according to the EMC Directive.
UL Certificate
This product is a UL/c-UL certified product.
• UL File No.: E301717
• Category: NRKH/NRKH7(NRKH2/NRKH8: FS-N42N(P))
• Enclosure Type 1 (based on UL50)
Be sure to consider the following specifications when using this product as a UL/
c-UL certified product.
• Use a power supply with Class 2 output defined in NFPA70 (NEC: National
Electrical Code).
• Connect the power supply, external input, and control output to a single power
supply with Class 2 output.
• Use OP-73864, OP-73865 or OP-85498 cable with FS-N41C when the field
wiring is required.
FCC Regulations
This product complies with the following regulations specified by the FCC.
• Applicable regulation FCC Part 15 Subpart B Class A
• This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interface, and
(2) this device must accept any interference received, including interference
that may cause undesired operation.
• FCC Caution
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
Package Contents
• Main unit • Instruction manual
This is a direct current (DC) power supply type sensor. Application of an
alternating current may result in explosion or fire.
•
Use separate conduits for power lines and high-voltage lines. Use of a
common conduit may result in device malfunction due to noise or damage
to the sensor.
•
Always ground the frame ground terminal when using an off-the-shelf
switching regulator.
•
Do not use this product outdoors.
2 Install the amplifiers on the DIN rail one at a time.
3 Slide the main unit and expansion unit(s) together.
Mate the two claws of the expansion unit with the
recesses on the main unit side until a click is heard/
felt.
4 Attach the end units (optional, sold separately:
OP-26751) to the DIN rail on both sides of the
amplifiers in the same way as step (2).
5 Secure the amplifiers between the end units.
Tighten the screws from the top (two screws × two
units) with a Phillips screwdriver to fix the end
units in place.
Fiber Unit Installation
Using a fiber cutter
1 Insert the fiber into the cutter hole.
2 Bring down the blade in a single, swift
motion to cut the fiber.
(Do not use a hole that has already been
used.)
Connecting to the amplifier unit
1 Open the cover (1), and then lower the lever in the
direction indicated by (2).
2 Insert the fiber unit into the installation holes
(approximately 14 mm). (3)
3 Move the lever back in the direction indicated by
(4).
When installing a coaxial reflective fiber in
the main unit, install the single-core fiber in
the transmission installation hole and the
multi-core fiber in the reception installation
hole.
(4)
(2)
(3)
Wiring (Cable Type)
z FS-N41N/N42N/N43N/N44N z FS-N41P/N42P/N43P/N44P
*1 FS-N41N/N43N only
*2 FS-N43N/N44N only
*1 FS-N41P/N43P only
*2 FS-N43P/N44P only
1
(2)
(1)
(1)
E FS-N40 IM
Wiring (M8 Connector Type: FS-N41C)
13
24
Sensor pin layout
FS-N41C supports "IO-Link: Specification V.1.1/COM2 (38.4 kbps)".
The setting file (IODD) can be downloaded from Keyence's web site
(http://www.keyence.com).
(1) Brown
Load
Load
10 to 30 VDC
0 V
(4) Black
(output 1)
(2) White
(output 2)
(3) Blue
(1) Brown
Load
10 to 30 VDC
0 V
(4) Black
(2) White
(3) Blue
(1) Brown
Load
10 to 30 VDC
0 V
(4) Black
(2) White
(3) Blue
Power select switch
*3
Standard <=> TERA fixed
Output indicator
*1
L/D ON setting status indicator
*2
MODE button
Setting
value
SET button
This button is used to
perform calibration.
Manual button
This button is used to
fine-tune the setting value.
ACT-R button
This button is used to set the
active receiver function.
Current value
(received light
intensity)
When turning on the sensor for the first time, or when the sensor has been
initialized, select the initial settings shown below.
Settings complete
Use to select PNP or NPN.
Use to select the I/O.
(OUT1 + OUT2/OUT1 + INPUT)
Use to select this item.
After completion, if these setting need to be
changed again, perform initialization (page 3).
PNP
OUT1 + OUT2
[
END
] WX
BacK
z Switching the output style (Light ON/Dark ON)
1 Press once.
2 Use to switch the output style.
3 Press three times.
Switch L-On/D-On
z Switching the display language
1 Press twice.
2 Use to select the language.
3 Press twice.
Language /
语言
z Fine-tuning the setting value (threshold)
Use to adjust the value. Hold down the button to make
adjustments more quickly.
Decrease the setting value.Increase the setting value.
z 2-point calibration (the most basic setting method)
1 Press with no object to detect present.
SET
2 Press with an object to detect present.
This sets the setting value to the midpoint
between the received light intensities of
points 1 and 2. If “---” blinks for 2 seconds
on the display, the difference between the
received light intensities is small, and
detection may be unstable.
Object to
detect
Object
to detect
6(7
z Maximum sensitivity calibration
1 With the items arranged as shown in the figures on the left, hold down for 3 seconds
or more. When SET blinks, release this button.
SET
The setting value is set slightly higher than
the received light intensity when the
setting was configured.
Object
to detect
Thrubeam model : With an obje ct to detect
present
Reflective model : With no object to detect
present
Select NPN or PNP and the function of I/O pin (2) during the initial settings.
z When using the sensor in PNP mode z When using the sensor in NPN mode
OUT1 + OUT2
OUT1 + INPUT
OUT1 + OUT2 OUT1 + INPUT
(1) Brown
(4) Black
(output 1)
(2) White
(output 2)
(3) Blue
Load
Load
10 to 30 VDC
0 V
The wire colors indicate the colors when using an OP-73864/73865 M8 connector cable (sold separately).
3 Basic Settings
Names and functions
*1 On dual output types (including the FS-N41C), the indicator operates
according to the output channel selected with the output channel selection
switch.
*2 On dual output types (including the FS-N41C), this becomes the output
indicator. It displays the current output status of channels 1 and 2.
*3 On dual output types (including the FS-N41C), this becomes the output
channel selection switch. It is not present on zero line types (FS-N40).
Initial settings (FS-N41C only)
Basic settings
Basic calibration methods
6(7
E FS-N40 IM
SET
2
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