SICK GTB6V Manuale utente
OPERATING INSTRUCTIONS
GTB6V
Miniature photoelectric sensors
Described product
G6 Inox
GTB6V
Manufacturer
SICK AG
Erwin-Sick-Str. 1
79183 Waldkirch
Germany
Production location
SICK, Malaysia
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.
8021849 | SICK
Subject to change without notice 3
Contents
1 Safety notes....................................................................................... 5
2 Intended use...................................................................................... 5
3 Operating and status indicators...................................................... 5
4 Mounting............................................................................................. 6
5 Electrical installation........................................................................ 6
6 Commissioning.................................................................................. 7
7 Troubleshooting................................................................................. 10
7.1 Troubleshooting table............................................................................... 10
8 Disassembly and disposal............................................................... 11
9 Maintenance...................................................................................... 11
10 Technical specifications................................................................... 12
CONTENTS
48021849 | SICK
Subject to change without notice
1 Safety notes
■Read the operating instructions before commissioning.
■
Connection, mounting, and setting may only be performed by skilled per‐
son.
■Not a safety component in accordance with the EU Machinery Directive.
■Power supply: Class 2
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 Intended use
The GTB6V 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.
34.2 (1.35)
37.1 (1.46)
25.4 (1.0)
37.4 (1.47)
21.7 (0.85)
21.7 (0.85) 14.5 (0.57)
7.6 (0.3)
10.3 (0.41)
2
3
4
1
5
6
8
7
7.1
(0.28)
Figure 1: Connection type: cable
1Mounting holes M3
2Optical axis, receiver
3Optical axis, receiver
4Optical axis, sender
5Cable
21.7 (0.85)
34.3 (1.35)
43.2 (1.7)
43.5 (1.71)
21.7 (0.85) 14.5 (0.57)
25.4 (1.0)
7.6 (0.3)
7.1
(0.28) 10.3 (0.41)
2
3
4
1
5
6
8
7
Figure 2: Connection type: plug, M8
1Mounting holes M3
2Optical axis, receiver
3Optical axis, receiver
4Optical axis, sender
5Connector, M8
SAFETY NOTES 1
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Subject to change without notice 5
6LED indicator yellow: Status of received
light beam
7LED indicator green: Supply voltage
active
8Potentiometer: sensing range
6LED indicator yellow: Status of received
light beam
7LED indicator green: Supply voltage
active
8Potentiometer: sensing range
4 Mounting
Mount the sensor using a suitable mounting bracket (see the SICK range of acces‐
sories).
< 0.4 Nm
Note the preferred direction of the object relative to the sensor, cf. figure 1.
5 Electrical installation
The sensors must be connected in a voltage-free state (UV = 0 V). The following informa‐
tion must be observed, depending on the connection type:
– Male connector connection: pin assignment
– Cable: wire color
Only apply voltage/switch on the voltage supply (UV > 0 V) once all electrical connec‐
tions have been established. The green LED indicator lights up on the sensor.
Explanations of the connection diagram (Tables 2 and 3):
Q / Q = switching outputs
n. c. = not connected
DC: 10... 30 V DC, see „Technical specifications“, page 12
Table 1: DC
GTB6- x24xxV x44xxV x74xxV
1+ (L+) + (L+) + (L+)
2Q Q Q
3- (M) - (M) - (M)
4Q Q Q
1= brn
2 = wht
3 = blu
4 = blk
0.14 mm2
AWG26
2
1
4
3
12
4 3
4 MOUNTING
68021849 | SICK
Subject to change without notice
Table 2: DC
PNP: Q (≤ 100 mA)
+ (L+)
Q
– (M)
+ (L+)
Q
– (M)
NPN: Q (≤ 100 mA)
+ (L+)
Q
– (M)
+ (L+)
Q
– (M)
PNP: Q (≤ 100 mA)
+ (L+)
Q
– (M)
+ (L+)
Q
– (M)
NPN: Q (≤ 100 mA)
+ (L+)
Q
– (M)
+ (L+)
Q
– (M)
6 Commissioning
1Alignment
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 sen‐
sor is completely clear [see figure].
Figure: Alignment
2Sensing range
COMMISSIONING 6
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Subject to change without notice 7
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 dia‐
gram [see figure X] (x = sensing range, y = monitored area between the set sensing range
and background suppression as a % of the sensing range (object remission/background
remission)). Remission: 6% = black 1, 18% = gray 2, 90% = white 3 (referring to stan‐
dard white as per DIN 5033).
The minimum distance (= y) for background suppression can be determined from diagram
[ see figure X 1] as follows:
Example: x = 150 mm, y = 20 => 20% of 150 mm = 30 mm. That is, the background is
suppressed at a distance of > 180 mm from the sensor.
0
5
10
15
30
25
20
500200 300 400
0
3
2
GTB6-xxx3x
6%/90%
18%/90%
90%/90%
100
% des Schaltabstands
Abstand in mm
1
Figure 3: GTB6-xx43x
yx
weißer Hinter-
grund (90%)
Beispiel:
Schaltabstand auf Schwarz, 6%,
x = 100 mm, y = (10% von 100 mm) =10 mm
0
5
10
15
25
20
500200 300 400
0
3
GTB6 INOX IR_T5
100
% des Schaltabstands
Absand in mm
6%/90%
1
2
18%/90%
90%/90%
Figure 4: GTB6-xxx2x
6 COMMISSIONING
88021849 | SICK
Subject to change without notice
0
5
10
15
25
20
50 150 200 300250
0
1
2
6%/90%
18%/90%
90%/90%
100
% des Schaltabstands
Abstand in mm
3
Figure 5: GTB6-xxx1x
For other sensing ranges, please refer to individual datasheets.
3Sensing range setting
The sensing range is adjusted with the potentiometer (type: 270°). Clockwise rotation:
sensing range increased; counterclockwise rotation: sensing range reduced. We recom‐
mend placing the object within the sensing range, e.g. see table 3. 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: Sensing range setting
The sensor is adjusted and ready for operation.
COMMISSIONING 6
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Subject to change without notice 9
Figure 6: Detection
7 Troubleshooting
The Troubleshooting table indicates which measures are to be taken if the sensor stops
working.
7.1 Troubleshooting table
Table 4: Troubleshooting
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
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 (potentiometer) / Check
sensing range and adjust if
necessary, see figure 3,
page 8
Yellow LED lights up, no object
in the path of the beam
Distance between the sensor
and the background is too
short
Reduce the sensing range,
see figure 3
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,
take note of the distance
between the sensor and the
background, see figure 3
7 TROUBLESHOOTING
10 8021849 | SICK
Subject to change without notice
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