Datalogic SG2 BASE Series Bedienungsanleitung

SG2 BASE

Instruction Manual

ORIGINAL INSTRUCTIONS (ref. 2006/42/EC)

Datalogic Automation S.r.l.

Via Lavino, 265

40050 - Monte S. Pietro

Bologna - Italy

SG2 BASE Instruction Manual

Ed.: 10/2012

and international laws. Copying, or altering of this document is prohibited without express written consent

from Datalogic Automation S.r.l.

Datalogic and the Datalogic logo are registered trademarks of Datalogic S.p.A. in many countries, including

the U.S.A. and the E.U.

All brand and product names mentioned herein are for identification purposes only and may be trademarks

or registered trademarks of their respective owners.

Datalogic shall not be liable for technical or editorial errors or omissions contained herein, nor for incidental

or consequential damages resulting from the use of this material.

11/10/2012

INDEX

1. GENERAL INFORMATION ........................................................................................................................1

1.1. General description of the safety light curtains ................................................................................................ 1

1.1.1. Package contents..........................................................................................................................................................................2

1.2. New features compared to the SF2 Series...................................................................................................... 2

1.3. How to choose the device ............................................................................................................................... 3

1.3.1. Resolution.....................................................................................................................................................................................3

1.3.2. Controlled height .........................................................................................................................................................................4

1.3.3. Minimum installation distance.....................................................................................................................................................5

1.4. Typical applications ......................................................................................................................................... 8

1.5. Safety information.......................................................................................................................................... 10

2. INSTALLATION MODE............................................................................................................................11

2.1. Precautions to be observed for the choice and installation of the device ..................................................... 11

2.2. General information on device positioning..................................................................................................... 12

2.2.1. Minimum installation distance.................................................................................................................................................. 13

2.2.2. Minimum distance from reflecting surfaces ............................................................................................................................. 14

2.2.3. Emitter and receiver orientation............................................................................................................................................... 16

2.2.4. Installation of several adjacent safety light curtains ............................................................................................................... 17

2.2.5. Use of deviating mirrors........................................................................................................................................................... 18

2.2.6. Controls after first installation................................................................................................................................................. 19

3. MECHANICAL MOUNTING .....................................................................................................................20

4. ELECTRICAL CONNECTIONS................................................................................................................23

4.1. Notes on connections .................................................................................................................................... 24

4.2. Earth connection............................................................................................................................................ 26

5. ALIGNMENT PROCEDURE.....................................................................................................................27

5.1. Correct alignment procedure ......................................................................................................................... 29

6. FUNCTIONING MODE .............................................................................................................................30

6.1. Reset mode ................................................................................................................................................... 30

6.2. 6.2. Test function ........................................................................................................................................... 30

6.3. Reset function ............................................................................................................................................... 30

7. DIAGNOSTIC FUNCTIONS .....................................................................................................................31

7.1. User interface ................................................................................................................................................ 31

7.2. Diagnostic messages .................................................................................................................................... 32

8. PERIODICAL CHECKS............................................................................................................................33

8.1. General information and useful data.............................................................................................................. 34

8.2. Warranty........................................................................................................................................................ 34

9. DEVICE MAINTENANCE .........................................................................................................................35

9.1. Product disposal ............................................................................................................................................ 35

10.TECHNICAL DATA ..................................................................................................................................36

11.LIST OF AVAILABLE MODELS ..............................................................................................................37

12.OVERALL DIMENSIONS .........................................................................................................................39

13.OUTFIT .....................................................................................................................................................40

13.1. Angled fixing bracket mounting ..................................................................................................................... 41

14.ACCESSORIES........................................................................................................................................42

14.1. Rotating fixing bracket ................................................................................................................................... 42

14.2. Deviating mirrors ........................................................................................................................................... 43

14.3. Columns and floor stands.............................................................................................................................. 44

14.4. Protective stands........................................................................................................................................... 45

14.5. Test piece...................................................................................................................................................... 45

14.6. Connection cables ......................................................................................................................................... 46

14.7. Safety relay ................................................................................................................................................... 47

15.GLOSSARY..............................................................................................................................................48

Instruction Manual SG2 BASE

1. GENERAL INFORMATION

1.1. General description of the safety light curtains

The safety light curtains of the SG2 series are optoelectronic multibeam devices that are used to

protect working areas that, in presence of machines, robots, and automatic systems in general, can

become dangerous for operators that can get in touch, even accidentally, with moving parts.

The light curtains of the SG2 series are Type 2 intrinsic safety systems used as accident-prevention

protection devices and are manufactured in accordance with the international Standards in force for

safety, in particular:

CEI IEC 61496-1: 2004 Safety of machinery: electro-sensitive protective equipment. Part 1:

General prescriptions and tests.

CEI IEC 61496-2: 2006 Safety of machinery: electro-sensitive protective equipment -

Particular requirements for equipment using active optoelectronic

protective devices.

The device, consisting of one emitter and one receiver housed inside strong aluminium profiles,

generates infrared beams that detect any opaque object positioned within the light curtain detection

field. The emitter and the receiver are equipped with the command and control functions. The

connections are made through a M12 connector located in the lower side of the profile. The

synchronisation between the emitter and the receiver takes place optically, i.e. no electrical connection

between the two units is required. The microprocessor guarantees the check and the management of

the beams that are sent and received through the units. The microprocessor – through some LEDs –

informs the operator about the general conditions of the safety light curtain (see section 7 “Diagnostic

functions”).

The device consists in 2 units that, according to the model, are composed by one or several emitting

and receiving modules.

The receiver checks the control operations and safety actions.

During installation, two yellow LEDs facilitate the alignment of both units (see section 5 “Alignment

procedure”).

As soon as an object, a limb or the operator’s body accidentally interrupts one or some of the infrared

beams sent by the emitter, the receiver immediately opens the OSSD outputs and blocks the MPCE

machine (if correctly connected to the OSSD).

Some parts or sections of this manual containing important information for the operator are preceded

by a note:

Notes and detailed descriptions about particular characteristics of the safety devices in order to better

explain their functioning.

Special instructions regarding the installation process.

The information provided in the paragraphs following this symbol is very important for safety and may

prevent accidents.

Always read this information accurately and carefully follow the advice to the letter.

This manual contains all the information necessary for the selection and operation of the safety

devices.

However, specialised knowledge not included in this technical description is required for the planning

and implementation of a safety light curtain on a power-driven machine. As the required knowledge

may not be completely included in this manual, we suggest the customer to contact DATALOGIC

AUTOMATION Technical Service for any necessary information relative to the functioning of the SG2

light curtains and the safety rules that regulate the correct installation (see section 8 “Periodical

checks”).

SG2 BASE Instruction Manual

1.1.1. Package contents

Package contains the following objects:

Receiver (RX)

Emitter (TX)

Quick Guide for first installation

CD with user manual and other documents

Checklist and periodical maintenance schedule

4 angled fixing brackets and specific fasteners

2 angled fixing brackets for models with heights included between 1200 and 1800 mm

1.2. New features compared to the SF2 Series

The SG2-B safety light curtains, compared to the SF2 series, present the following new features:

Increased operating distance

Range enlargement with 150 to 1800 mm controlled heights

Reduced response times

New fastening system with rotating brackets

New mechanical profile compatible with SE accessories

Different positioning of synchronisation optics (the first one from the reference line)

Different mechanical mounting

Instruction Manual SG2 BASE

1.3. How to choose the device

There are at least three different main characteristics that should be considered when choosing a

safety light curtain, after having evaluated the risk assessment:

1.3.1. Resolution

The resolution of the device is the minimum dimension that an opaque object must have in order to

obscure at least one of the beams that constitute the sensitive area.

The resolution strictly depends on the part of the body to be protected.

R = 30 mm hand protection

Typ e 2

R = 50 mm

R = 90 mm presence control

As shown in Fig.1, the resolution only depends on the geometrical characteristics of the lenses,

diameter and distance between centres, and is independent from any environmental and operating

conditions of the safety light curtain.

Fig. 1

The resolution value is obtained applying the following formula:

R = I + d

where:

I = Distance between two adjacent optics

d = Lens diameter

SG2 BASE Instruction Manual

1.3.2. Controlled height

The controlled height is the height protected by the safety light curtain ( Hp )

Fig. 2

The SG2-B controlled height is delimited by the yellow line pad-printed on the front glass and by the

dimensions listed in the table:

Model Controlled height Hp

(mm)

SG2-30-015-OO-X 150

SG2-kk-030-OO-X 300

SG2-kk-045-OO-X 450

SG2-kk-060-OO-X 600

SG2-kk-075-OO-X 750

SG2-kk-090-OO-X 900

SG2-kk-105-OO-X 1050

SG2-kk-120-OO-X 1200

SG2-kk-135-OO-X 1350

SG2-kk-150-OO-X 1500

SG2-k-165-OO-X 1650

SG2-kk-180-OO-X 1800

kk = Resolution (30mm – 50 mm – 90 mm)

Reference

Instruction Manual SG2 BASE

1.3.3. Minimum installation distance

The safety device must be positioned at a specific safety distance (Fig. 3). This distance must ensure

that the dangerous area cannot be reached before the dangerous motion of the machine has been

stopped by the ESPE.

The safety distance depends on 4 factors, according to the EN-999 Standard:

Response time of the ESPE (the time between the effective beam interruption and the opening of the

OSSD contacts).

Machine stopping time (the time between the effective opening of the contacts of the ESPE and the

real stop of the dangerous motion of the machine).

ESPE resolution.

Approaching speed of the object to be detected.

Fig. 3

The following formula is used for the calculation of the safety distance:

S = K (t1+ t2) + C

where:

S= Minimum safety distance in mm.

K = Speed of the object, limb or body approaching the

dangerous area in mm/sec.

t1= Response time of the ESPE in seconds (see section 9

“Technical data”)

t2= Machine stopping time in seconds.

d = Resolution of the system.

C = Additional distance based on the possibility to insert the body or one of body parts inside the dangerous

area before the protective device trips.

C = 8 (d -14) for devices with resolution 40mm

C = 850 mm for devices with resolution 40mm.

NOTE: K value is:

2000 mm/s if the calculated value of S is ≤500 mm

1600 mm/s if the calculated value of S is > 500 mm

SG2 BASE Instruction Manual

When devices with >40 mm resolution are used, the height of the top beam has to be 900 mm (H2)

from machine supporting base while the height of the bottom beam has to be 300 mm (H1).

If the safety light curtain must be mounted in a horizontal position (Fig.4), the distance between the

dangerous area and the most distant optical beam must be equal to the value calculated using the

following formula:

S = 1600 mm/s (t1+ t2) + 1200 – 0.4 H

where:

S= Minimum safety distance in mm.

t1= Response time of the ESPE in seconds

(

see section 9 “Technical data”)

t2= Machine stopping time in seconds.

H = Beam height from ground; this height must always be less than 1,000 mm.

Fig. 4

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