SICK RE1 Bedienungsanleitung

OPERATING INSTRUCTIONS

RE1, RE2

Safety switches

Described product

RE1, RE2

Manufacturer

SICK AG

Erwin-Sick-Str. 1

79183 Waldkirch

Germany

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.

2O P E R A T I N G I N S T R U C T I O N S | RE1, RE2 8022551/1HG1/2022-12-08 | SICK

Subject to change without notice

Contents

1 About this document........................................................................ 4

2 On safety............................................................................................. 5

2.1 Qualified safety personnel....................................................................... 5

2.2 Application................................................................................................ 5

2.3 Correct use................................................................................................ 5

2.4 General safety notes and protective measures...................................... 6

3 Function description.......................................................................... 7

3.1 Evaluating the switching signals.............................................................. 7

4 Mounting............................................................................................. 10

5 Electrical installation........................................................................ 12

6 Commissioning.................................................................................. 13

6.1 Tests before the initial commissioning.................................................... 13

6.2 Periodic technical checks......................................................................... 13

6.2.1 Regular examinations.............................................................. 13

6.2.2 Inspection by qualified safety personnel............................... 14

7 Maintenance...................................................................................... 15

8 Disposal.............................................................................................. 16

9 Technical data.................................................................................... 17

9.1 Data sheet................................................................................................. 17

9.2 Dimensional drawings.............................................................................. 18

9.3 Typical response range............................................................................. 20

10 Conformities and certificates.......................................................... 21

10.1 EU declaration of conformity.................................................................... 21

10.2 UK declaration of conformity................................................................... 21

CONTENTS

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Subject to change without notice

1 About this document

These operating instructions are original operating instructions.

These operating instructions only apply to the RE11, RE13, RE15, RE21, RE23, RE27

safety switches with the following information on the product packaging: Operating

Instructions 8022549.

These operating instructions are included with SICK part number 8022549 (all availa‐

ble languages of this document)

1 ABOUT THIS DOCUMENT

4O P E R A T I N G I N S T R U C T I O N S | RE1, RE2 8022551/1HG1/2022-12-08 | SICK

Subject to change without notice

2 On safety

This chapter deals with your own safety and the safety of the equipment operators.

bPlease read this chapter carefully before working with the safety switch or with the

machine protected by the safety switch.

The national/international rules and regulations apply to the installation, commission‐

ing, use and periodic technical inspections of the safety switch, in particular the work

safety regulations and safety rules.

2.1 Qualified safety personnel

The switch must be mounted, installed and commissioned only by qualified safety

personnel. Qualified safety personnel are defined as persons who …

•have undergone the appropriate technical training

and

•who have been instructed by the responsible machine operator in the operation of

the machine and the current valid safety guidelines

and

•who have access to the operating instructions.

2.2 Application

The safety switches of the product families RE1, RE2 (these are: RE11, RE13, RE15,

RE21, RE23, RE27) are magnetically operated, non-contact safety switches. In combi‐

nation with a suitable safety-related evaluation unit, they protect movable guards in the

following way:

•The dangerous state of the machine can only be switched on when the guard is

closed.

•If the guard is opened while the machine is running, a stop command is triggered.

For the control this means:

•Activation commands that result in dangerous states are only allowed to become

effective if the guard is in the protective position.

•Dangerous states must have been terminated before the protective position is left.

Prior to the use of safety switches, a risk assessment must be performed on the

machine.

2.3 Correct use

The safety switch must be used only as defined in section "Application", page 5. The

safety switch must be used only on the machine where it has been mounted, installed

and initialized by qualified safety personnel in accordance with these operating instruc‐

tions.

The product may be used in safety functions.

All warranty claims against SICK AG are forfeited in the case of any other use, or

alterations being made to the safety switch, even as part of its mounting or installation.

Correct use includes also regular inspection of the guard by qualified safety personnel

in accordance with section 6.2.

ON SAFETY 2

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2.4 General safety notes and protective measures

Safety switches provide a protection function for persons. Incorrect installation or

manipulation can result in serious injuries.

DANGER

Safety switches are not allowed to be bypassed, turned away or made ineffective in any

other manner.

2 ON SAFETY

6O P E R A T I N G I N S T R U C T I O N S | RE1, RE2 8022551/1HG1/2022-12-08 | SICK

Subject to change without notice

3 Function description

The safety switch is magnetically coded. Its contacts are operated by the related actua‐

tor (RExx-SK). The safety switches are equipped with contacts:

•REx1: 2 complementary switching contacts in normally open-normally closed com‐

bination (NO/NC)

•REx3: 2 normally open contacts (NO/NO)

•RE15: 2 complementary switching contacts in normally open-normally closed com‐

bination (NO/NC) and 1 normally open contact (NO) as signalling contact

•RE27:

°2 normally open contacts (NO/NO)

°1 normally open contact (NO) with LED integrated into the sensor for indica‐

tion of the output state

The switching signals are sampled by a suitable safety-related evaluation unit, e.g. a

safe programmable logic controller.

3.1 Evaluating the switching signals

On integrating magnetic safety switches into suitable safe evaluation units, the follow‐

ing must be taken into account:

•It is imperative all contact signals are evaluated separately.

•On the detection of a fault related to the safety switch, the safe evaluation unit

must shut down and adopt a locked state.

•Both contacts must change output state, before it can be reset. Compli‐

ance with this sequence must be monitored by the safe evaluation unit

(figure 2figure 5figure 9).

•On the connection of the safety switch to a safe evaluation unit, the input module

should be configured such that the discrepancy time set has no effect on the

shutdown time for the evaluation (typical configuration “provide 0”). If this is not

possible, the calculation must take into account the response time.

RE11, RE21

Figure 1: Pin assignment RE11, RE21

With male con‐

nector

With connecting cable Function Unactivated

1/2 Brown/white Normally open (NO) Open

3/4 Blue/black Normally closed (NC) Closed

a b

Input

behavior

Output behavior

Sequence to be monitored

Figure 2: Switching behavior RE11, RE21 (unactivated)

FUNCTION DESCRIPTION 3

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Subject to change without notice

RE13, RE23

Figure 3: Pin assignment RE13

2 1

Figure 4: Pin assignment RE23

With male con‐

nector

With connecting cable Function Unactivated

1/2 Brown/white Normally open (NO) Open

3/4 Blue/black Normally open (NO) Open

a b

Input

behavior

Output behavior

Sequence to be monitored

Figure 5: Switching behavior RE13, RE23 (unactivated)

RE15

Figure 6: Aderbelegung RE15

With connecting cable Function Unactivated

Brown/white Normally open (NO) Open

Blue/black Normally closed (NC) Closed

Pink/grey Normally open (NO) AUX Open

a b

Input

behavior

Output behavior

Sequence to be monitored

Figure 7: Switching behavior RE15 (unactivated)

3 FUNCTION DESCRIPTION

8O P E R A T I N G I N S T R U C T I O N S | RE1, RE2 8022551/1HG1/2022-12-08 | SICK

Subject to change without notice

RE27

Figure 8: Pin assignment RE27

RE27SA…L

With male con‐

nector

With connecting cable Function Unactivated

7/1 Brown/white Normally open contact

(NO)

Open

4/6 Blue/black Normally open contact

(NO)

Open

5/8 Pink/grey Normally open contact

(NO) AUX with LED

Open(LED off)

RE27SA68LS04

With male con‐

nector

With connecting cable Function Unactivated

3/4 Brown/white Normally open contact

(NO)

Offen

7/8 Blue/black Normally open contact

(NO)

Offen

1/6 Pink/grey Normally open contact

(NO) AUX with LED

Offen (LED aus)

a b

Input

behavior

Output behavior

Sequence to be monitored

Figure 9: Switching behavior RE27 (unactivated)

FUNCTION DESCRIPTION 3

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Subject to change without notice

4 Mounting

WARNING

Mounting is only allowed to be performed by qualified safety personnel.

NOTICE

Discoloration of the housing due to UV radiation. Avoid mounting locations with direct

sunlight.

bPay attention to EN ISO 14119 on mounting the safety switch and the actuator.

bPay attention to EN ISO 14119 on reducing possible ways of bypassing an inter‐

locking device.

Figure 10: Protection example for bypassing a magnetic safety switch in compliance with EN ISO

14119

bDo not mount safety switches in an environment with interfering magnetic fields.

bNote the possible operating positions.

Direction

of approach

Alignment

mark

RE11, RE13, RE15

RE21, RE32, RE27

Figure 11: Alignment of sensor and actuator

bFit safety switch and actuating element such that they do not touch each other:

minimum distance between the front faces with the guard closed 1mm.

4 MOUNTING

10 O P E R A T I N G I N S T R U C T I O N S | RE1, RE2 8022551/1HG1/2022-12-08 | SICK

Subject to change without notice

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