SICK WTS26 Istruzioni per l'uso

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Illuminazione di comodità
Tipo
Istruzioni per l'uso
O P E R A T I N G I N S T R U C T I O N S
WTS26
O P E R A T I N G I N S T R U C T I O N S
WTS26
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Described product
WTS26
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
8020355.14CS | 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 and status indicators...................................................... 4
4 Mounting............................................................................................. 5
5 Electrical installation........................................................................ 5
6 Additional functions.......................................................................... 7
7 Commissioning.................................................................................. 8
8 Process data structure..................................................................... 14
9 Troubleshooting................................................................................. 15
10 Disassembly and disposal............................................................... 15
11 Maintenance...................................................................................... 16
12 Technical data.................................................................................... 17
12.1 Operating elements and status indicators.............................................. 17
CONTENTS
8020355.14CS | 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 and contamination.
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 WTS26 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 and status indicators
Photoelectric proximity sensor with background suppression.
WTS26x-
-xxxxxx1x
-xxxxxx2x
-xxxxxx3x
-xxxxxxx0
2
3
4
1
2
1
4
3
1 SAFETY INFORMATION
4
8020355.14CS | SICK
Subject to change without notice
WTS26x-
-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.
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 supply/switch on the voltage once all electrical connections have been estab‐
lished.
Explanations on connection diagram (table 1 - table 5).
Alarm = alarm output
Health = alarm output
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
Wxx26x- x4 xH x5 xI
1 = BN
2 = WH
3 = BU
4 = BK
5= GY
1
2
4 3
0.14 mm
2
AWG26
1
2
5
4 3
0.14 mm
2
AWG26
Wxx26x- x9 xB
1 = BN
2 = BU
3 = not connected
4 = BK
5= WH
6 = GY
7 = not connected
I
N
= 4 A
3
7
2
1
6
5
4
I
N
= 6 A
Table 2: DC
WTS26x- xx16XxxxA00 xx16XxxxA0
1-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.co
m 8022709
Default:
Q
L1
/C
Q
Q
Q Q
Q Q
www.sick.co
m 8022709
Table 3: DC
WTS26
x-
xxXXXxxxZZZ
xx111 xx112 xx113 xx114 xx115 xx116 xx421 xx422 xx721 xx722
BN + (L+)
WH
Q
Q Alarm Health Alarm Health
Q
Q
Q
Q
BU - (M)
BK Q
Q
Q Q
Q Q
Q
Q
Q
Q
GR - - - - - - Test
L+
Test
L+
Test
M
Test
M
Table 4: Push / pull
5
ELECTRICAL INSTALLATION
6
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Q
Push-pull
( 100 mA)
+ (L+)
Q
‒ (M)
+ (L+)
Q
‒ (M)
Q
Push-pull
( 100 mA)
+ (L+)
Q
‒ (M)
+ (L+)
Q
‒ (M)
6 Additional functions
Alarm
Alarm output: The sensor (WTS26) features a pre-failure notification output (“Alarm” in
connection diagram [see table 3]), which issues a notification if the sensor is only ready
for operation to a limited extent. The LED indicator flashes in this case. Possible
causes: Sensor is contaminated, sensor is out of alignment. In the good state: LOW (0),
if excessively contaminated HIGH (1).
Health output: The sensor (WTS26) features a pre-failure notification output (“Health”
in connection diagram [see table 3]), which issues a notification if the sensor is only
ready for operation to a limited extent or the cable has been interrupted. Possible
causes: Sensors are contaminated, sensors are out of alignment, cable is damaged. In
the good state: HIGH (1), if excessively contaminated or in the event of cable interrup‐
tion LOW (0). The LED indicator flashes in this case.
Test input
Test input: The WTS26 sensors feature a test input (“TI” or “Test” on the connection
diagram [see table 2, table 3 and table 5]), which can be used to switch the sender off
and, therefore, check that the sensor is functioning correctly: If female cable connec‐
tors with LED indicators are used, you have to ensure that the TI is assigned accord‐
ingly.
If an object is detected, activate the test input (see the connection diagram[see table 2,
table 3 and table 5]). The send LED is shut down or no object being detected is simu‐
lated. 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
1 Alignment
WTS26P: Align sensor on object. Select the position so that the red emitted light beam hits
the center of the object. You must ensure that the optical opening (front screen) of the sen‐
sor is completely clear [figure 1].
NOTE
For WTS26P: If the objects are detected from above, we recommend installing the sensor
at an angle in order to prevent total reflection by a reflective surface, see figure 7 to
figure 10.
Figure 1: Alignment
2 Sensing range
WTS26 are photoelectric proximity sensors with background suppression. Depending on
the remission of the object to be detected, and perhaps the background behind it, a mini‐
mum distance (y) between the set sensing range (x) and the background is to be main‐
tained.
Check the application conditions: Adjust the sensing range and distance to the object or
background as well as the remission capability of the object according to the correspond‐
ing diagram [figure 2, figure 3] (x = sensing range, y = minimum distance between set
sensing range and background [white 90%]). Remission: 6% = black 1, 18% = gray 2,
90% = white 3 (referring to standard white as per DIN 5033). We recommend that the
adjustment be performed with an object of low remission.
The minimum distance (= y) for the background suppression can be determined from the
diagram [figure 2 1] as follows:
Example: x = 500 mm, y = 25 mm. That is, the background (black, 6%) is suppressed at a
distance of > 25 mm from the sensor.
7 COMMISSIONING
8
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0
20
80
60
40
120
100
140
400 800
1,200
1,600
0
1
3
WTS26P-xxxxx1xx
6%/90%
90%/90%
y
x
yx
Minimum distance in mm (y) between the set sensing
range and background (white, 90%)
white background (90%)
Example:
Sensing range on black, 6%,
x = 500 mm, y = 25 mm
Distance in mm
2
18%/90%
Figure 2: Characteristic line 1
1
Sensing range on black, 6% remission
2
Sensing range on gray, 18% remission
3
Sensing range on white, 90% remission
BluePilot:
Adjustment range
Distance in mm (inch)
Sensing range
indicator (blue LED)
Teach-Turn
adjustment
A = Detection distance (depending on object remission)
150
(5.91)
300
(11.81)
500
(19.69)
700
(27.56)
1,000
(39.37)
0
1
2
3
40 700
25
10
150
150
150
900
1,000
A
Figure 3: Bar graph 1
3 Sensing range setting
WTS26 x-xxxxxx2 xAxx with Teach-Turn adjustment:
The sensing range is adjusted by pressing the teach-in button (approx. 1-3 sec.). Depend‐
ing 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. We recommend plac‐
ing the sensing range in the object, e.g. see figure 4. Once the sensing range has been
adjusted, the object is removed from the path of the beam, which causes the background
to be suppressed and the switching output to change (see table 2, table 3, table 4).
COMMISSIONING 7
8020355.14CS | SICK
Subject to change without notice
9
1...3 sec.
1
2
3
Figure 4: WTS26x-xxxxxx2xAxx, adjusting the sensing range with press-turn element
7
COMMISSIONING
10
8020355.14CS | SICK
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WTS26 x-xxxxxx1 xAxx with Potentiometer:
The sensing range is adjusted with the potentiometer.
Clockwise rotation: sensing range increased.
Counterclockwise rotation: sensing range reduced.
We recommend placing the sensing range in the object, e.g. see figure 5. Once the sensing
range has been adjusted, the object is removed from the path of the beam, which causes
the background to be suppressed and the switching output to change (see table 2, table 3,
table 4).
1
2
3
Figure 5: WTS26x-xxxxxx1xAxx, adjusting the sensing range with potentiometer
COMMISSIONING
7
8020355.14CS | SICK
Subject to change without notice
11
WTS26 x-xxxxxx3 xAxx with teach-in button:
The sensing range is adjusted by pressing the teach-in button (approx. 1-3 sec.). We recom‐
mend placing the sensing range in the object, e.g. see figure 6. Once the sensing range
has been adjusted, the object is removed from the path of the beam, which causes the
background to be suppressed and the switching output to change (see table 2, table 3,
table 4).
1...3 sec.
1
2
Figure 6: WTS26x-xxxxxx3xAxx, adjusting the sensing range with teach-in button
4 Detection of flat, glossy, contrast-rich, and uneven objects
If the objects are detected from above, we recommend installing the sensor at an angle in
order to prevent total reflection by a reflective surface
1 When adjusting the sensing range, the light spot should be focused on an even, uni‐
form surface, e.g. a white sheet of paper.
1...3 sec.
Figure 7: Sensing range setting
7 COMMISSIONING
12
8020355.14CS | SICK
Subject to change without notice
2 Turn the potentiometer a fraction counterclockwise until the yellow LED indicator no
longer lights up. The sensing range is now located a fraction above the conveyor belt.
Figure 8: Sensing range setting
3 The conveyor belt should now be put into operation without any objects. If the yellow
LED indicator does not light up during the test run, the sensing range is set correctly.
Figure 9: Sensing range setting
4 If the object is in the path of the beam and the yellow LED indicator lights up, the
sensing range is set correctly.
Figure 10: Sensing range setting
5 Time function setting
1
0
T1
T2
M
T4
T3
COMMISSIONING 7
8020355.14CS | SICK
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13
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
6 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)
8 PROCESS DATA STRUCTURE
14
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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
table 4
1. IO-Link communication
2. Change of the configuration
3. Short-circuit
1. None
2. Adjustment of the configura‐
tion
3. Check electrical connections
WTS only: yellow LED flashes
quickly
When adjusting the sensing
range, the light spot is only
half on the object or on a very
high-contrast object
Sensing range setting accord‐
ing to Section “Sensing range
setting”.
Yellow LED lights up, no object
in the path of the beam
The sensing range distance is
too large
Reduce the sensing range
Object is in the path of the
beam, yellow LED does not
light up
Distance between the sensor
and the object is too long or
sensing range is set too short
Increase the sensing range
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).
TROUBLESHOOTING 9
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Subject to change without notice
15
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.
This symbol on the product, its package or in this document, indicates
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.
11 MAINTENANCE
16
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12 Technical data
WTS26P
Sensing range max. 10 mm ... 1000 mm
1)
Light spot diameter/distance 30 mm x 3 mm (200mm)
Supply voltage U
B
DC 10 ... 30 V
Ripple 5 V
SS
Current consumption ≤ 30 mA
2)
< 50 mA
3)
Output current I
max.
≤ 100 mA
Max. response time 1.4 ms
4)
Switching frequency 350 Hz
5)
Enclosure rating
6)
see table 1:
x4, xH, x5, xI: IP66, IP67, IP69
7)
x9, xB: IP65
Protection class III
Circuit protection A, B, C, D
8)
Ambient operating temperature –40 °C ... +60 °C
9)
1)
Object with 90 % remission (based on standard white DIN 5033)
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.
12.1 Operating elements and status indicators
Photoelectric proximity sensor with background suppression.
TECHNICAL DATA 12
8020355.14CS | SICK
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17
7,1
8,1
10,8
25
38,86,4
12,9
48,1
40
10
44,2
Ø 5,2
24,6
82,2
70
Ø 5,2
76,5
8,1
82,5
53,3
7,3
21
4
3
3
21,621,6
32,4
1
2
2
7
8
6
5
Figure 11: Dimensional drawing 1,
WTS26 cable
1
Center of optical axis, sender
2
Center of optical axis, receiver
3
Fixing hole, Ø 5.2 mm
4
Connection
5
LED indicator green: Supply voltage
active
6
LED indicator yellow: Status of
received light beam
7
Press-turn element: Adjusting the
sensing range
8
BluePilot blue: Sensing range dis‐
play
7,1
8,1
10,8
25
396,3
M12
48,1
40
44,219,7
Ø 5,2
24,6
82,2
70
Ø 5,2
17
7,9
76,5
82,5
21,621,6
32,4
1
2
2
4
3
3
53,3
63,9
21
7
8
6
5
Figure 12: Dimensional drawing 2,
WTS26 male connector
12 TECHNICAL DATA
18
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B E T R I E B S A N L E I T U N G
WTS26
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SICK WTS26 Istruzioni per l'uso

Categoria
Illuminazione di comodità
Tipo
Istruzioni per l'uso