O P E R A T I N G I N S T R U C T I O N S
WTF16
Described product
WTF16
Manufacturer
SICK AG
Erwin-Sick-Str. 1
79183 Waldkirch
Germany
Legal information
This work is protected by copyright. Any rights derived from the copyright shall be
reserved for SICK AG. Reproduction of this document or parts of this document is only
permissible within the limits of the legal determination of Copyright Law. Any modifica‐
tion, abridgment or translation of this document is prohibited without the express writ‐
ten permission of SICK AG.
The trademarks stated in this document are the property of their respective owner.
© SICK AG. All rights reserved.
Original document
This document is an original document of SICK AG.
2006/42/EC
NO
SAFETY
2
8024126.190X 18.08.2020 | SICK
Subject to change without notice
Contents
1 Safety information............................................................................ 4
1.1 General safety notes................................................................................ 4
1.2 Notes on UL approval............................................................................... 4
2 Intended use...................................................................................... 4
3 Operating elements and status indicators.................................... 4
4 Mounting............................................................................................. 5
5 Electrical installation........................................................................ 5
6 Additional functions.......................................................................... 7
7 Commissioning.................................................................................. 8
7.1 Alignment.................................................................................................. 8
7.2 Check the application conditions:........................................................... 8
7.3 Sensing range adjustment....................................................................... 10
7.4 Time function setting................................................................................ 12
7.5 Setting light/dark switching..................................................................... 13
8 Process data structure..................................................................... 13
9 Troubleshooting................................................................................. 14
10 Disassembly and disposal............................................................... 14
11 Maintenance...................................................................................... 15
12 Technical data.................................................................................... 16
12.1 Dimensional drawings.............................................................................. 17
CONTENTS
8024126.190X 18.08.2020 | SICK
Subject to change without notice
3
1 Safety information
1.1 General safety notes
■
Read the operating instructions before commissioning.
■
Connection, mounting, and configuration may only be performed by trained
specialists.
■
2006/42/EC
NO
SAFETY
Not a safety component in accordance with the EU Machinery Directive.
■
When commissioning, protect the device from moisture, contamination and
UV radiation (sun light).
■
These operating instructions contain information required during the life cycle of
the sensor.
1.2 Notes on UL approval
The device must be supplied by a Class 2 source of supply.
UL Environmental Rating: Enclosure type 1
2 Intended use
The WTF16 is an opto-electronic photoelectric proximity sensor (referred to as “sensor”
in the following) for the optical, non-contact detection of objects, animals, and persons.
If the product is used for any other purpose or modified in any way, any warranty claim
against SICK AG shall become void.
3 Operating elements and status indicators
WTF16: Photoelectric proximity sensor with foreground suppression.
WTF16x-
-xxxxxx1x
-xxxxxx2x
-xxxxxx3x
-xxxxxxx0
2
3
4
1
2
1
4
3
1 SAFETY INFORMATION
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Subject to change without notice
WTF16x-
-xxxxxx1x
-xxxxxx2x
-xxxxxx3x
-xxxxxxx1
2
1
4
3
6
2
1
3
4
6
-xxxxxxx2
2
1
4
3
5
2
1
3
4
5
1
BluePilot blue: sensing range display
2
Press-turn element / Potentiometer / Teach-Button: adjusting the sensing range
3
LED indicator yellow: status of received light beam
4
LED indicator green: supply voltage active
5
Press-turn element: time function adjustment
6
Teach pushbutton: adjustment of light/dark switching
4 Mounting
Mount the sensor using a suitable mounting bracket (see the SICK range of acces‐
sories).
Note the sensor’s maximum permissible tightening torque of < 1,3 Nm.
Note the preferred direction of the object relative to the sensor, see figure 1, .
5 Electrical installation
The sensors must be connected in a voltage-free state. The following information must
be observed, depending on the connection type:
– Male connector connection: Note pin assignment.
– Cable: Wire color
Only apply voltage/switch on the voltage supply once all electrical connections have
been established.
Explanations on connection diagram (table 2 - table 3).
MF (pin 2 configuration) = external input, teach-in, switching signal
Q
L1
/ C = switching output, IO-Link communication
Test = test input
U
B
: 10 ... 30 V DC
MOUNTING 4
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5
Table 1: Connections
Wxx16x- x1 x4 xH x5 xI
1 = BN
2 = WH
3 = BU
4 = BK
5= GY
1
4
3
1
2
4 3
0.14 mm
2
AWG26
1
2
4 3
5
0.14 mm
2
AWG26
Table 2: DC
WTF16x- xx16XxxxA00 xx16Xxxx
A01-A99
xx161 xx162 xx168 xx16A xx16L xx16N xx16x
1 = BN + (L+)
2 = WH MF
3 = BU - (M)
4 = BK Q
L1
/C
Default:
MF
Q
Q
Test → L+ no func‐
tion
Test → L+ no func‐
tion
www.sick.
com
8022709
Default:
Q
L1
/C
Q
Q
Q Q
Q Q www.sick.
com
8022709
Table 3: DC
WTF16x- xxXXXxxxZZZ
xx111 xx112 xx421 xx422 xx721 xx722
BN + (L+)
WH Q
Q
Q
Q
Q
Q
BU - (M)
BK
Q
Q
Q
Q
Q
Q
GR - - Test → L+ Test → L+ Test → M Test → M
Table 4: Push/pull
Q
Push-pull
(≤ 100 mA)
Q
Push-pull
(≤ 100 mA)
+ (L+)
Q
‒ (M)
+ (L+)
Q
‒ (M)
5 ELECTRICAL INSTALLATION
6
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Subject to change without notice
Q
Push-pull
(≤ 100 mA)
Q
Push-pull
(≤ 100 mA)
+ (L+)
Q
‒ (M)
+ (L+)
Q
‒ (M)
6 Additional functions
Test input
Test input: The WTF16 sensors feature a test input (“TI” or “Test” on the connection dia‐
gram [see table 2, table 3]), which can be used to switch the sender off and, therefore,
check that the sensor is functioning correctly: If female cable connectors with LEDs are
used, you have to ensure that the TI is assigned accordingly.
It is important that there is no object between the sensor and background; activate the
test input (see the connection diagram [see table 2, table 3]). The send LED is shut
down or the detection of an object is simulated. Refer to table 5 to check the function.
If the switching output fails to behave in accordance with table 5, check the application
conditions. See section Fault diagnosis.
Table 5: Test
Test → M Test → L+
+ (L+)
Test
– (M)
+ (L+)
Test
– (M)
+ (L+)
Test
– (M)
+ (L+)
Test
– (M)
ADDITIONAL FUNCTIONS 6
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7
7 Commissioning
7.1 Alignment
WTF16P: Align sensor on background. Select the position so that the red emitted light
beam hits the objects. You must ensure that the optical opening (front screen) of the
sensor is completely clear [see figure 1].
WTF16I: Align the sensor with the background. Select the position so that the infrared
light (not visible) hits the objects. The correct alignment can only be detected via the
LEDs. see figure 1 and table 4. You must ensure that the optical opening (front screen)
of the sensor is completely clear.
Figure 1: Alignment
7.2 Check the application conditions:
Sensing range
WTF16 are photoelectric proximity sensors with foreground suppression. The photoelec‐
tric proximity sensor requires a background as a reference. The radiance factor and
position of the background should remain as uniform as possible. The maximum dis‐
tance (x) between photoelectric proximity sensor and background as well as the mini‐
mum object height (y) must be upheld.
As a rule, a WTF16 is used to detect very flat objects on a conveyor belt.
Check the application conditions: Compare distance between sensor and background,
minimal object height as well as remission capability of background and object with the
associated diagram (see figure 2, page 9, see figure 4, page 10 or see figure 4,
page 10) (x = sensing range, y = minimum object height. Radiance factor: 6% = black
1, 90% = white 2 (referring to standard white as per DIN 5033).
Example: x = 300 mm, y = 7 mm, i.e. a white object is detected from a height of at least
7 mm on a black background. The distance between photoelectric proximity sensor and
background is 300 mm.
7 COMMISSIONING
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x
6%/6%
6%/90%
90%/90%
90%/6%
4
1
3
2
WTF16P-xxxxx2xx
Background
Example:
Sensing range on black background, 6%,
x = 300 mm, y = 7 mm for white object
y
x
0
4
8
12
20
16
24
50
(1.97)
100
(3.94)
150
(5.91)
200
(7.87)
300
(9.84)
250
(9.84)
0
350
(13.78)
400
(15.75)
26
Distance in mm (inch)
Minimum object height in
mm (y)
y
Figure 2: Characteristic line 1, WTF16P-xxxxx2xx, red
light
1
Black object, 6% radiance factor, in front of
black background, 6% radiance factor
2
Black object, 6% radiance factor, in front of white
background, 90% radiance factor
3
White object, 90% radiance factor, in front of
black background, 6% radiance factor
4
White object, 90% radiance factor, in front of
white background, 90% radiance factor
1
2
100
(3.94)
400
(15.75)
D
Distance in mm (inch)
A
BluePilot:
B
C
E
F
A Sensing range min. in mm
B Sensing range max. in mm
C Viewing range
D Adjustable switching thresh‐
old for foreground suppres‐
sion
E Sensing range indicator
F Teach-Turn adjustment
1
Sensing range on black, 6%
radiance factor
2
Sensing range on white, 90%
radiance factor
x
y
6%/6%
6%/90%
90%/90%
90%/6%
4
1
3
2
WTF16P-xxxxx4xx
Example:
Sensing range on black background, 6%,
x = 400 mm, y = 9 mm for white object
Background
y
x
0
5
10
15
25
20
30
100
(3.94)
200
(7.87)
300
(9.84)
400
(15.75)
600
(23.62)
500
(19.69)
0
Distance in mm (inch)
35
Minimum object height
in mm (y)
Figure 3: Characteristic line 2, WTF16P-xxxxx4xx, red
light
1
Black object, 6% radiance factor, in front of
black background, 6% radiance factor
2
Black object, 6% radiance factor, in front of white
background, 90% radiance factor
3
White object, 90% radiance factor, in front of
black background, 6% radiance factor
4
White object, 90% radiance factor, in front of
white background, 90% radiance factor
1
2
100
(3.94)
600
(23.62)
D
Distance in mm (inch)
A
BluePilot:
B
C
E
F
A Sensing range min. in mm
B Sensing range max. in mm
C Viewing range
D Adjustable switching thresh‐
old for foreground suppres‐
sion
E Sensing range indicator
F Teach-Turn adjustment
1
Sensing range on black, 6%
radiance factor
2
Sensing range on white, 90%
radiance factor
COMMISSIONING 7
8024126.190X 18.08.2020 | SICK
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9
x
y
6%/6%
90%/6%
6%/90%
90%/90%
4
1
3
2
WTF16P-xxxxx6xx
Background
Example:
Sensing range on black background, 6%,
x = 200 mm, y = 7 mm for white object
y
x
0
4
8
12
20
16
24
100
(3.94)
125
(4.92)
150
(5.91)
175
(6.89)
225
(8.86)
200
(7.87)
75
(2.95)
Distance in mm (inch)
250
(9.84)
Minimum object height
in mm (y)
Figure 4: Characteristic line 3, WTF16P-xxxxx6xx, red
light
1
Black object, 6% radiance factor, in front of
black background, 6% radiance factor
2
Black object, 6% radiance factor, in front of white
background, 90% radiance factor
3
White object, 90% radiance factor, in front of
black background, 6% radiance factor
4
White object, 90% radiance factor, in front of
white background, 90% radiance factor
1
2
75
(2.95)
250
(9.84)
D
Distance in mm (inch)
A
BluePilot:
B
C
E
F
A Sensing range min. in mm
B Sensing range max. in mm
C Viewing range
D Adjustable switching thresh‐
old for foreground suppres‐
sion
E Sensing range indicator
F Teach-Turn adjustment
1
Sensing range on black, 6%
radiance factor
2
Sensing range on white, 90%
radiance factor
7.3 Sensing range adjustment
WTF16x-xxxxxx2xAxx with Teach-Turn adjustment:
The sensing range is adjusted by pressing the teach-in button (approx. 1-3 sec.).
Depending on the requirements, the potentiometer can be used for fine-tuning (without
pressing the teach-in button).
Clockwise rotation: Sensing range increased.
Counterclockwise rotation: Sensing range reduced.
The sensing range can also be adjusted using just the potentiometer.
7 COMMISSIONING
10
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Subject to change without notice
1.
1...3 sec.
2. The conveyor belt should now be put into operation without any objects. If the yel‐
low LED indicator lights up permanently during the test run, the sensing range is
set correctly.
3. If the yellow LED indicator does not light up briefly during the test run, reduce the
sensing range minimally. This increases the minimum object height accordingly.
Then check the detection with the object.
WTF16x-xxxxxx1xAxx with potentiometer:
The sensing range is adjusted with the potentiometer.
Clockwise rotation: Sensing range increased.
Counterclockwise rotation: Sensing range reduced.
1.
COMMISSIONING 7
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11
2. See from section 2 for
WTF16x-xxxxxx2xAxx with Teach-Turn
adjustment
WTF16x-xxxxxx3xAxx with teach-in button:
The sensing range is adjusted by pressing the teach-in button (approx. 1-3 sec.).
7.4 Time function setting
Time function setting
1
0
T1
T2
M
T4
T3
7 COMMISSIONING
12
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Subject to change without notice
t
t
t t t
t
t t t t
t t t
t
t
t t
Input signal
0
T1
T2
T3
T4
M = Manual (specific setting via IO-Link)
1 ms 30.000 ms
2
7.5 Setting light/dark switching
Setting light/dark switching
1
L
D
M
L light switching
D Dark switching
M manual (specific setting via IO-Link)
8 Process data structure
Process data structure (Version 1.1)
WTF16x-xxxxxxxxAxx:
COMMISSIONING 7
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13
A00 A70 A71 A72 A73 A75
IO-Link V1.1
Process
data
2 bytes 4 bytes
Byte 0: bits 15... 8
Byte 1: bits 7... 0
Byte 0: bits 31...
24
Byte 1: bits 13...
16
Byte 2: bits 15...
8
Byte 3: bits 7... 0
Bit 0 / Data
type
Q
L1
/ Boolean
Bit 1 / Data
type
Q
L2
/ Boolean Qint.1 /
Boolean
Q
L2
/
Boolean
Qint.1 / Boolean
Bit... /
Descrip‐
tion / Data
type
2 ...15 /
[empty]
2 ...15 /
[time mea‐
surement
value] /
UInt 14
2 … 15 /
[counter
value] /
UInt 14
2 … 15 /
[length /
speed
measure‐
ment] /
SInt14
2 / Qint.
1 /
Boolean
2 … 7 / [empty]
Bit... /
Descrip‐
tion / Data
type
3 … 15 /
[time mea‐
surement
value] /
UInt13
8 … 31 / [carrier
load] / UInt 24
9 Troubleshooting
The Troubleshooting table indicates measures to be taken if the sensor stops working.
LED indicator/fault pattern Cause Measures
Green LED flashes IO-Link communication None
Switching outputs do not
behave in accordance with 3
1. IO-Link communication
2. Change of the configuration
3. Short-circuit
1. None
2. Adjustment of the configura‐
tion
3. Check electrical connections
Light spot is aligned to the
background, no object in
beam path, yellow LED does
not light up
The sensing range distance is
too large
Reduce the sensing range
(Rotate to the left)
Light spot is aligned to the
background, object in beam
path, yellow LED lights up
Sensing range is set too low Increase the sensing range
(Rotate to the right)
10 Disassembly and disposal
The sensor must be disposed of according to the applicable country-specific regula‐
tions. Efforts should be made during the disposal process to recycle the constituent
materials (particularly precious metals).
9 TROUBLESHOOTING
14
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Subject to change without notice
NOTE
Disposal of batteries, electric and electronic devices
•
According to international directives, batteries, accumulators and electrical or
electronic devices must not be disposed of in general waste.
•
The owner is obliged by law to return this devices at the end of their life to the
respective public collection points.
•
WEEE: This symbol on the product, its package or in this document, indi‐
cates that a product is subject to these regulations.
11 Maintenance
SICK sensors are maintenance-free.
We recommend doing the following regularly:
•
Clean the external lens surfaces
•
Check the screw connections and plug-in connections
No modifications may be made to devices.
Subject to change without notice. Specified product properties and technical data are
not written guarantees.
MAINTENANCE 11
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15
12 Technical data
WTF16P-xxxxx2,
WTF16P-xxxxx6
WTF16P-xxxxx4
Sensing range max. 0 mm ... 400 mm (type)
1)
0 mm ... 600 mm
1)
Light spot diameter/distance Ø 3 mm (200 mm) (type), Ø
6 mm (500 mm) (type)
Ø 6 mm (500 mm)
Supply voltage U
B
DC 10 ... 30 V DC 10 ... 30 V
Ripple ≤ 5 V
SS
≤ 5 V
SS
Current consumption ≤ 30 mA
2)
< 50 mA
3)
≤ 30 mA
2)
< 50 mA
3)
Output current I
max.
≤ 100 mA ≤ 100 mA
Max. response time 500 µs
4)
2.5 ms
4)
Switching frequency 1,000 Hz
5)
200 Hz
5)
Enclosure rating
6)
see table 1:
x4, xH, x5, xI: IP66, IP67,
IP69
7)
see table 1:
x4, xH, x5, xI: IP66, IP67,
IP69
7)
Protection class III III
Circuit protection A, B, C, D
8)
A, B, C, D
8)
Ambient operating temperature -40 °C ... +60 °C
9)
-40 °C ... +60 °C
9)
1)
Background with 6%
2)
16 VDC to 30 VDC, without load
3)
10 VDC to 16 VDC, without load
4)
Signal transit time with resistive load in switching mode. Deviating values possible in COM2 mode.
5)
With a light/dark ratio of 1:1 in switching mode. Deviating values possible in IO-Link mode.
6)
Pursuant to EN 60529
7)
Replaces IP69 K pursuant to ISO 20653: 2013-03
8)
A = U
B
-connections reverse polarity protected
B = inputs and output reverse-polarity protected
C = Interference suppression
D = outputs overcurrent and short-circuit protected
9)
Do not bend cables below 0°C.
12 TECHNICAL DATA
16
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12.1 Dimensional drawings
20
Ø 12,9
Ø 4,1
39,9
55,4
45,5
5
42
29,9
6
3
6,5
15
27,8
7,7
7,8
7,2
35,5
4,1
16
8,3
55,7
5
4
89
16
18,5
3
2
1
6
7
Figure 5: Dimensional drawing 1, cable
1
Preferred direction of the target
object
2
Center of optical axis, sender
3
Center of optical axis, receiver
4
Fixing hole, Ø4.1 mm
5
Connection
6
LED indicator green: Supply voltage
active
7
LED indicator yellow: Status of
received light beam
8
Press-turn element: Adjusting the
sensing range
9
BluePilot blue: Sensing range dis‐
play
20
M12
18
Ø 4,1
39,9
55,4
55,7
45,5
5
7
42
29,9
52,9
6
17,5
3
6,5
15
28
7,5
35,5
4,1
5
4
16
16 18,5
3
2
1
89
6
7
Figure 6: Dimensional drawing 2, male con‐
nector
TECHNICAL DATA 12
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Subject to change without notice
17
Beschriebenes Produkt
WTF16
Hersteller
SICK AG
Erwin-Sick-Str. 1
79183 Waldkirch
Deutschland
Rechtliche Hinweise
Dieses Werk ist urheberrechtlich geschützt. Die dadurch begründeten Rechte bleiben
bei der Firma SICK AG. Die Vervielfältigung des Werks oder von Teilen dieses Werks ist
nur in den Grenzen der gesetzlichen Bestimmungen des Urheberrechtsgesetzes zuläs‐
sig. Jede Änderung, Kürzung oder Übersetzung des Werks ohne ausdrückliche schriftli‐
che Zustimmung der Firma SICK AG ist untersagt.
Die in diesem Dokument genannten Marken sind Eigentum ihrer jeweiligen Inhaber.
© SICK AG. Alle Rechte vorbehalten.
Originaldokument
Dieses Dokument ist ein Originaldokument der SICK AG.
2006/42/EC
NO
SAFETY
8024126.190X 18.08.2020 | SICK
Subject to change without notice
19
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