SICK WTB9(M4)C-3Pxxxx(Axx) Small photoelectric sensor Operating instructions

SICK
Brand
SICK
Model
WTB9(M4)C-3Pxxxx(Axx) Small photoelectric sensor
Type
Operating instructions
O P E R A T I N G I N S T R U C T I O N
WTB9(M4)C-3Pxxxx(Axx)
Small photoelectric sensor
en / de / fr / pt / it / es / zh / ja / ru
SICK AG, Erwin-Sick-Strasse 1, D - 79183 Waldkirch
8020418
Photoelectric proximity sensor
Operating instructions
1 Safety notes
■
Read the operating instructions before commissioning.
■
Connection, mounting, and setting may only be performed by trained specialists.
■
Not a safety component in accordance with the EU Machinery Directive.
■
UL: Only for use in applications in accordance with NFPA 79. These devices shall
be protected by a 1 A fuse suitable for 30 V DC. Adapters listed by UL with connec‐
tion cables are available. Enclosure type 1.
■
When commissioning, protect the device from moisture and contamination.
■
These operating instructions contain information required during the life cycle of
the sensor.
2 Correct use
The WTB9(M4)C-3Pxxxx(Axx) is an opto-electronic photoelectric proximity sensor (refer‐
red to as "sensor" in the following) for the optical, non-contact detection of objects, ani‐
mals, 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.
Photoelectric proximity sensor with background suppression.
Image: A
3 Commissioning
1 Check the application conditions: Adjust the sensing range and distance to the
object or background and the remission capability of the object according to the
corresponding diagram [H] (x = sensing range, y = transition range between the set
sensing range and suppression of the background as a % of the sensing range
(object remission / background remission). Remission: 6% = black , 18% = gray
, 90% = white (referring to standard white as per DIN 5033).
8020418 | SICK
Subject to change without notice
1
The minimum distance (= y) for background suppression can be determined from
diagram [H] as follows:
Example: x = 200 mm, y = 20 => 20 % of 200 mm = 40 mm. That is, the back‐
ground is suppressed at a distance of > 240mm from the sensor.
25
15
20
10
0
5
WTB9-3 red light
90%/90 %
18%/90 %
6%/90 %
1
2
3
mm
(inch)
100
(3.94)
200
(7.87)
300
(11.81)
400
(15.75)
% of sensing range
Image: H
25
15
20
10
0
5
WTB9-3 IR
90%/90 %
18%/90 %
6%/90 %
1
2
3
mm
(inch)
100
(3.94)
200
(7.87)
300
(11.81)
500
(19.69)
400
(15.75)
% of sensing range
Image: H-2
30
25
15
20
10
0
5
WTB9-3 IR long range
90%/90 %
18%/90 %
6%/90 %
1
2
3
mm
(inch)
200
(7.87)
400
(15.75)
600
(23.62)
800
(31.5)
% of scanning distance
Image: H-3
2 Mount the sensor using a suitable mounting bracket (see the SICK range of acces‐
sories).
Note the sensor's maximum permissible tightening torque of 0.6 Nm.
Note the preferred direction of the object relative to the sensor [see A].
3 Operation in standard I/O mode (SIO):
The sensors must be connected in a voltage-free state (U
v
= 0 V). The information
in the graphics [B] must be observed, depending on the connection type:
– Male connector connection: pin assignment
– Cable: wire color
+ (L+)
Q
L1
/C
MF
– (M)
brn
blk
wht
blu
Image: B
1
+ (L+)
Q
L1
/C
MF
– (M)
4
2
3
brn
blk
wht
blu
Image: B-2
Operation in IO-Link mode: Connect the device to a suitable IO-Link master and
integrate in the master or control via IODD/function block. IODD and function block
are available to download from www.sick.com under the part number.
Only apply voltage/switch on the voltage supply (U
v
> 0 V) once all electrical con‐
nections have been established. On the sensor, the green LED indicator (SIO mode)
lights up or starts to flash (IOL mode).
Explanations of the connection diagram (Graphic B):
Switching outputs Q and /Q (according to Graphic B):
WTB9(M4)C-3Pxxxx(Axx) (PNP: load -> M)
C = communication (e.g., IO-Link) (see Additional functions)
MF = multifunctional, programmable output
4 WTB9(M4)C-3Xxx6x: Align the sensor with the 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 sensor is completely clear [E]. We recommend
making the adjustments using an object with a low remission.
WTB9(M4)C-3Xxx1x: Align the sensor with the object. Select the position so that
the infrared light (not visible) hits the center of the object. The correct alignment
can only be detected via the LED indicators. Please refer to Graphics C and E. You
must ensure that the optical opening (front screen) of the sensor is completely
clear. We recommend making the adjustments using an object with a low remis‐
sion.
3 COMMISSIONING
2
8020418 | SICK
Subject to change without notice
Image 1: E
5
y
x
Sensor with teach-in pushbutton:
The sensing range is adjusted by pressing the Teach-in pushbutton. Do not operate
the Teach-in pushbutton using sharp objects. We recommend placing the switching
state in the object, e.g., see graphic F. 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 graphic C).
Please refer to the enclosed operating instructions for the IO-Link photoelectric
sensor for information about adjusting the IO-Link sensing range.
The sensor is adjusted and ready for operation. Refer to graphics C and G to check
the function. If the switching output fails to behave in accordance with graphic C,
check application conditions. See section Fault diagnosis.
Image 2: C
COMMISSIONING
3
8020418 | SICK
Subject to change without notice
3
Image 3: G
Teach-in mode
for objects
Teach-in time Alignment LED indicator Results
Single teach-in
pushbutton
Approx. 1.0 s Sensor to object
Sensing range is
adjusted accord‐
ing to object
If ET is activated:
Connect pin 2 or
white wire to UV
(PNP).
Approx. 1.0 s Sensor to object
Sensing range is
adjusted accord‐
ing to object
5 Additional functions
The sensor can be used in standard I/O mode (SIO) or IO-Link mode (IOL). All automa‐
tion functions and other parameter settings are effective in IO-Link mode and in stand‐
ard I/O mode (exception: time stamp). Output of binary switching signals in standard
I/O mode via pin 4 / black wire or via pin 2 / white wire (depending on the pin 2 config‐
uration).
Information on the IO-Link functions can be found in the enclosed IO-Link photoelectric
sensors operating instructions or downloaded from www.sick.com under the device
order number.
6 Fault diagnosis
Table indicates which measures are to be taken if the sensor stops working.
7 Table: Fault diagnosis
LED indicator/fault pattern Cause Measures
Green LED does not light up No voltage or voltage below
the limit values
Check the power supply,
check all electrical connec‐
tions (cables and plug connec‐
tions)
Green LED does not light up Voltage interruptions Ensure there is a stable power
supply without interruptions
Green LED does not light up Sensor is faulty If the power supply is OK,
replace the sensor
4
4
8020418 | SICK
Subject to change without notice
LED indicator/fault pattern Cause Measures
Green LED flashes IO-Link communication -
Switching outputs not accord‐
ing to graphic C
IO-Link communication -
Switching outputs not accord‐
ing to graphic C
Parameter settings made
manually, which deviate from
the standard
Initiate a factory reset. The
switching outputs are reset to
factory settings.
Yellow LED flashes Sensor is still ready for opera‐
tion, but the operating condi‐
tions are not ideal
Check the operating condi‐
tions: Fully align the beam of
light (light spot) with the
object. / Clean the optical sur‐
faces . / Readjust the sensitiv‐
ity (teach-in) / Check sensing
range and adjust if necessary;
see graphic F.
Yellow LED flashes (only briefly) Teach-in mode Check the teach-in mode
Yellow LED lights up, no object
in the path of the beam
/ Distance between the sen‐
sor and the background is too
short
Reduce the sensing range,
see graphic F
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,
see graphic F
8 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 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.
10 Technical data
-3Pxx6x -3Pxx1x -3Pxx1xS14
Sensing range 20 ... 200 mm 20 ... 250 mm 20 ... 400 mm
Sensing range max. 20 ... 350 mm
1)
20 ... 500 mm
1)
20 ... 800 mm
1)
Light spot diameter/distance 4.5 mm / 75 mm 20 mm / 250 mm 40 mm / 400 mm
Supply voltage V
S
DC 10 ... 30 V
2)
DC 10 ... 30 V
2)
DC 10 ... 30 V
2)
Output current I
max.
≤ 100 mA ≤ 100 mA ≤ 100 mA
Communication mode COM2 COM2 COM2
IO-Link 1.1 1.1 1.1
Max. switching frequency 1,500 Hz
3) 4)
1,000 Hz
3) 4)
200 Hz
3) 4)
DISASSEMBLY AND DISPOSAL 8
8020418 | SICK
Subject to change without notice
5
-3Pxx6x -3Pxx1x -3Pxx1xS14
Max. response time 200 ... 300 µs
5) 4)
300 ... 450 µs
5) 4)
< 2.5 ms
5) 4)
Enclosure rating IP66,IP67,IP69K IP66,IP67,IP69K IP66,IP67,IP69K
Protection class III III III
Circuit protection A,B,C
6)
A,B,C
6)
A,B,C
6)
Ambient operating temperature -40 °C ... +60 °C -40 °C ... +60 °C -40 °C ... +60 °C
1)
Object with 90 % remission (based on standard
white DIN 5033)
2)
Limit value; operation in short-circuit protection
mains max. 8 A; residual ripple max. 5 Vss
3)
With light / dark ratio 1:1
4)
valid for Q\ on Pin2, if configured with software
5)
Signal transit time with resistive load
6)
A = UV-connections reverse polarity protected
B = inputs and output reverse-polarity protected
C = Interference suppression
10 TECHNICAL DATA
6
8020418 | SICK
Subject to change without notice
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SICK WTB9(M4)C-3Pxxxx(Axx) Small photoelectric sensor Operating instructions

SICK
Brand
SICK
Model
WTB9(M4)C-3Pxxxx(Axx) Small photoelectric sensor
Type
Operating instructions
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