SICK GRL18V User manual
OPERATING INSTRUCTION
GRL18(S)V
Cylindrical photoelectric sensors
Described product
GR18 Inox
GRL18(S)V
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 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
8021183.1ABM / 2020-12-21 | SICK
Subject to change without notice 3
Contents
1 General safety notes......................................................................... 5
2 Notes on UL approval........................................................................ 5
3 Intended use...................................................................................... 5
4 Operating and status indicators...................................................... 5
5 Mounting............................................................................................. 6
6 Electrical installation........................................................................ 6
7 Commissioning.................................................................................. 8
7.1 Alignment.................................................................................................. 8
7.2 Check the application conditions............................................................ 8
7.3 Setting....................................................................................................... 9
8 Troubleshooting................................................................................. 9
8.1 Troubleshooting table............................................................................... 9
9 Disassembly and disposal............................................................... 10
10 Maintenance...................................................................................... 10
11 Technical specifications................................................................... 11
11.1 Dimensional drawings.............................................................................. 12
CONTENTS
48021183.1ABM / 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 Intended use
The GRL18(S)V is an opto-electronic photoelectric retro-reflective sensor (referred to as
“sensor” in the following) for the optical, non-contact detection of objects, animals, and
persons. A reflector is required for this product to function. If the product is used for any
other purpose or modified in any way, any warranty claim against SICK AG shall become
void.
4 Operating and status indicators
GENERAL SAFETY NOTES 1
8021183.1ABM / 2020-12-21 | SICK
Subject to change without notice 5
+–
Figure 1: Operating element: sensitivity setting
5 Mounting
Mount the sensor and the reflector using suitable mounting brackets (see the SICK
range of accessories). Align the sensor and reflector with each other.
max. 90 Nm
Note the sensor’s maximum permissible tightening torque of 90 Nm.
6 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 (following tables):
Q / Q = switching outputs
n. c. = not connected
4 OPERATING AND STATUS INDICATORS
68021183.1ABM / 2020-12-21 | SICK
Subject to change without notice
UB: 10... 30 V DC, see „Technical specifications“, page 11
Table 1: DC
GRL18(S)V x11xxx x13xxx x24xxx x23xxx
1+ (L+) + (L+) + (L+) + (L+)
2Qn. c. Qn. c.
3- (M) - (M) - (M) - (M)
4Q Q Q Q
1 = BN
2 = WH
3 = BU
4 = BK
0.14 mm2
AWG26
1 = BN
-
3 = BU
4 = BK
0.14 mm2
AWG26
12
4 3
12
4 3
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)
ELECTRICAL INSTALLATION 6
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Subject to change without notice 7
7 Commissioning
7.1 Alignment
Align the sensor with a suitable reflector. Select the position so that the red emitted
light beam hits the center of the reflector. The sensor must have a clear view of the
reflector, with no object in the path of the beam [see figure 2]. You must ensure that the
optical openings of the sensor and reflector are completely clear.
Figure 2: Alignment
7.2 Check the application conditions
Adjust the distance between the sensor and the reflector according to the correspond‐
ing diagram [ see figure 3] (x = sensing range, y = operating reserve).
1
0 1
(3.28)
2
(6.56)
3
(9.84)
4
(13.12)
5
(16.40)
6
(19.69)
7
(22.97)
8
(26.25)
100
10
Operating reserve
Distance in m (feet)
x
y
1
2
34
5
6
Figure 3: Characteristics
After alignment is complete, move a non-transparent object into the path of the
beam. Use and see table 2, page 7 to check the function. If the switching output
fails to behave in accordance with the table, check the application conditions, see
„Troubleshooting table“, page 9.
7 COMMISSIONING
88021183.1ABM / 2020-12-21 | SICK
Subject to change without notice
1
2
Figure 4: Sensing range
Table 3: Definition of sensing range
2GRL18(S)V
1PL80A 0.03 ... 7.2 m
2PL40A 0.03 ... 6.2 m
3PL20A 0.03 ... 3.8 m
4P250 0.03 ... 6.4 m
5PL22 0.03 ... 2.2 m
6REF-Plus 3436 0.06 ... 2.0 m
7.3 Setting
Sensitivity setting
Sensor which it is not possible to set: The sensor is adjusted and ready for operation.
The sensitivity is adjusted with the potentiometer (type: 270°). Clockwise rotation:
operating reserve increased; counterclockwise rotation: operating reserve reduced. We
recommend setting the potentiometer to “Maximum”. A lower operating reserve may be
necessary for depolarizing surfaces.
The sensor is adjusted and ready for operation.
8 Troubleshooting
The Troubleshooting table indicates measures to be taken if the sensor stops working.
8.1 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 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
reflector / Clean the optical
surfaces (sensor and reflec‐
tor) / Readjust the sensitiv‐
ity (potentiometer) / If the
potentiometer is set to the
COMMISSIONING 7
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Subject to change without notice 9
LED indicator/fault pattern Cause Measures
max. sensitivity: Reduce the
distance between the sensor
and the reflector, and check
the reflector type / Reflector
is not suitable for the appli‐
cation in question (we recom‐
mend only using SICK reflec‐
tors)/ Check sensing range
and adjust if necessary, see
table 3. / Distance between
the sensor and the reflector is
too long
Signal interruptions when
object is detected
Depolarizing property of the
object surface (e.g., tape),
reflection
Reduce sensitivity or change
the position of the sensor
9 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).
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,
indicates that a product is subject to these regulations.
10 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.
9 DISASSEMBLY AND DISPOSAL
10 8021183.1ABM / 2020-12-21 | SICK
Subject to change without notice
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