SICK GRTE18 24 Series Manual de usuario

OPERATING INSTRUCTION

GRTE18

Round photoelectric sensors

BETRIEBSANLEITUNG

GRTE18

Rund-Lichtschranken

Described product

GR18

GRTE18

Manufacturer

SICK AG

Erwin-Sick-Str. 1

79183 Waldkirch

Germany

Production location

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.

Original document

This document is an original document of SICK AG.

2006/42/EC

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

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

(inch)

(0.79)

(1.57)

(2.36)

(3.15)

100

(3.94)

120

(4.72)

140

(5.51)

100

Operating reserve

Distance in mm (inch)

123

Figure 1: H: Sensing range 115 mm

(inch)

100

(3.94)

200

(7.87)

300

(11.81)

400

(15.75)

500

(19.69)

600

(23.62)

100

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

Operating reserve

Distance in mm (inch)

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

COMMISSIONING 4

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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+)

- (M)

brn

wht

blu

blk

Figure: B: GRTE18-x24xx

+ (L+)

- (M)

brn

wht

blu

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

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.

(PNP)

(NPN)

Figure: C

COMMISSIONING 4

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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

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Subject to change without notice

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