SICK GRTE18 24 Series Manual de usuario
OPERATING INSTRUCTION
GRTE18
Round photoelectric sensors
Described product
GR18
GRTE18
Manufacturer
SICK AG
Erwin-Sick-Str. 1
79183 Waldkirch
Germany
Production location
Legal information
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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 modi‐
fication, abridgment or translation of this document is prohibited without the express
written 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
8016953.1ABM / 2020-12-21 | SICK
Subject to change without notice 3
Contents
1 General safety notes......................................................................... 5
2 Notes on UL approval........................................................................ 5
3 Correct use......................................................................................... 5
4 Commissioning.................................................................................. 5
4.1 Check the application conditions............................................................ 5
4.2 Mounting................................................................................................... 7
4.3 Electronics................................................................................................. 8
4.4 Alignment.................................................................................................. 8
4.5 Adjustment................................................................................................ 9
5 Troubleshooting................................................................................. 10
6 Disassembly and disposal............................................................... 11
7 Maintenance...................................................................................... 11
8 Technical specifications................................................................... 11
8.1 Dimensional drawings.............................................................................. 12
CONTENTS
48016953.1ABM / 2020-12-21 | SICK
Subject to change without notice
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.
■
Do not install the sensor at locations that are exposed to direct sunlight
or other weather influences, unless this is expressly permitted in the operating
instructions.
■These operating instructions contain information required during the life cycle of
the sensor.
2 Notes on UL approval
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 connection cables are available.
Enclosure type 1.
3 Correct use
The GRTE18 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.
Energetic photoelectric proximity sensor
4 Commissioning
4.1 Check the application conditions
Check the application conditions: Adjust the sensing range and the remission capability
of the object according to the corresponding diagram [H] (x = sensing range, y =
operating reserve).
During this process, an object can only be detected in front of a background if the
remission capability of the object is significantly higher than that of the background or if
the distance between the object and the background is sufficiently long.
GENERAL SAFETY NOTES 1
8016953.1ABM / 2020-12-21 | SICK
Subject to change without notice 5
1
mm
(inch)
20
(0.79)
40
(1.57)
60
(2.36)
80
(3.15)
100
(3.94)
120
(4.72)
140
(5.51)
100
10
Operating reserve
Distance in mm (inch)
123
Figure 1: H: Sensing range 115 mm
1
mm
(inch)
100
(3.94)
200
(7.87)
300
(11.81)
400
(15.75)
500
(19.69)
600
(23.62)
100
10
Operating reserve
Distance in mm (inch)
123
Figure 2: H: Sensing range 550 mm
4 COMMISSIONING
68016953.1ABM / 2020-12-21 | SICK
Subject to change without notice
0 200
(7.87)
400
(15.75)
600
(23.62)
800
(31.5)
1,000
(39.37)
100
10
1
Operating reserve
Distance in mm (inch)
2
1
3
Figure 3: H: Sensing range 800 mm
4.2 Mounting
Mount the sensor using a suitable mounting bracket (see the SICK range of acces‐
sories).
Observe the maximum permissible tightening torque of the sensor of 2.0 Nm for
metal/0.9 Nm for plastic [K].
Figure: K: GRTE18-x24x7
Figure: K: GRTE18-x24x2
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4.3 Electronics
The sensors must be connected in a voltage-free state (VS = 0 V). The information in the
graphics [B] must be observed, depending on the type of connection:
– Male connector connection: pin assignment
– Cable: core color
+ (L+)
Q
- (M)
brn
wht
blu
blk
1
2
3
Q
4
Figure: B: GRTE18-x24xx
+ (L+)
Q
- (M)
brn
wht
blu
Q
blk
Figure: B: GRTE18-x11xx, -x12xx
Only apply voltage/switch on the power supply (VS > 0 V) once all electrical connections
have been completed. The green LED indicator lights up on the sensor.
Explanations of the connection diagram (Graphic B):
Switching outputs Q and /Q (according to Graphic B):
GRTE18-P (PNP: load -> M)
GRTE18-N (NPN: load -> L+)
4.4 Alignment
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 [see figure 4].
Figure 4: Alignment
4 COMMISSIONING
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Subject to change without notice
4.5 Adjustment
y
x
Figure: F
Sensor with potentiometer:
The sensitivity (sensing range) is adjusted with the potentiometer (type: 270°). Clock‐
wise rotation: sensitivity (sensing range) increased; counterclockwise rotation: sensitiv‐
ity (sensing range) reduced. We recommend placing the switching state in the object, e.
g., see graphic F. Once the sensitivity has been adjusted, the object is removed from the
path of the beam. The switching output changes (see graphic C).
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.
Q
(PNP)
(NPN)
Q
q1
0
q
1
0
1
0
1
0
Figure: C
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Subject to change without notice 9
Figure: G
5 Troubleshooting
The Troubleshooting table indicates measures to be taken if the sensor stops working.
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
Yellow LED flashes Sensor is still ready for oper‐
ation, 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 sensi‐
tivity (potentiometer) / Check
sensing range and adjust
if necessary, see „Check
the application conditions“,
page 5.
Yellow LED lights up, no object
in the path of the beam
Excessive background remis‐
sion
Check changes to the back‐
ground. Reduce the sensitivity
of the sensor or use sensors
with background suppression
Object is in the path of the
beam, yellow LED does not
light up
Sensitivity is set too low or dis‐
tance between the sensor and
the object is too long
Increase the sensing range,
take note of the distance
between the sensor and the
background
Object is in the path of the
beam, yellow LED does not
light up
Remission capability of the
object is insufficient
Increase the sensing range,
take note of the distance
between the sensor and the
background
4 COMMISSIONING
10 8016953.1ABM / 2020-12-21 | SICK
Subject to change without notice
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