How it Works
Datalogic
Loading...
SG4-14-150-OO-E
Instruction Manual
74 pgs4.02 Mb0

Datalogic SG4-14-015-OO-E, SG4-30-045-OO-E, SG4-30-030-OO-E, SG4-14-045-OO-E, SG4-14-060-OO-E Instruction Manual

...
Datalogic S.r.l. Via S. Vitalino 13 40012 Calderara di Reno Italy
“SG4 BASE” Instruction Manual Ed.: 07/2017 Rev.B
ORIGINAL INSTRUCTIONS (ref. 2006/42/EC)
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 other trademarks and brands are property 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.
CE COMPLIANCE
CE marking states the compliance of the product with essential requirements listed in the applicable European directive. Since the directives and applicable standards are subject to continuous updates, and since Datalogic promptly adopts these updates, therefore the EU declaration of conformity is a living document. The EU declaration of conformity is available for competent authorities and customers through Datalogic commercial reference contacts. Since April 20th, 2016 the main European directives applicable to Datalogic products require inclusion of an adequate analysis and assessment of the risk(s). This evaluation was carried out in relation to the applicable points of the standards listed in the Declaration of Conformity. Datalogic products are mainly designed for integration purposes into more complex systems. For this reason it is under the responsibility of the system integrator to do a new risk assessment regarding the final installation.
Warning
This is a Class A product. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures.
SG4 BASE
5/74
1 GENERAL INFORMATION ........................................................................................................ 7
1.1 General description ..................................................................................................................... 7
1.2 Package contents ....................................................................................................................... 8
1.3 New features compared to SE4-PLUS (EDM) ............................................................................ 9
1.4 How to choose the device ......................................................................................................... 10
1.4.1 Detection capability ................................................................................................................... 10
1.4.2 Height of the detection zone ..................................................................................................... 11
1.4.3 Minimum installation distance ................................................................................................... 12
1.5 Typical applications ................................................................................................................... 14
1.6 Safety information ..................................................................................................................... 16
2 INSTALLATION ........................................................................................................................ 17
2.1 Precautions to be observed for the choice and installation ...................................................... 17
2.2 General information on device positioning ................................................................................ 18
2.2.1 Minimum distance from reflecting surfaces .............................................................................. 19
2.2.2 Distance between homologous devices ................................................................................... 21
2.2.3 Emitter and Receiver Orientation .............................................................................................. 23
2.2.4 Use of deviating mirrors ............................................................................................................ 24
2.2.5 Controls after first installation.................................................................................................... 25
3 MECHANICAL MOUNTING ..................................................................................................... 26
4 ELECTRICAL CONNECTIONS................................................................................................ 28
4.1 Pin-out and configuration pin connection .................................................................................. 28
4.1.1 MODELS SG4-xx-xxx-OO-X ..................................................................................................... 28
4.1.2 MODELS SG4-xx-xxx-OO-E ..................................................................................................... 29
4.2 Notes on connections ............................................................................................................... 31
4.3 Earth connection ....................................................................................................................... 33
5 ALIGNMENT PROCEDURE ..................................................................................................... 34
5.1 Correct alignment procedure .................................................................................................... 35
6 FUNCTIONS SETTING ............................................................................................................ 37
6.1 Reset mode ............................................................................................................................... 37
7 FUNCTIONS ............................................................................................................................. 38
7.1 Test ........................................................................................................................................... 38
7.2 Reset ......................................................................................................................................... 39
7.3 EDM .......................................................................................................................................... 40
7.4 Alignment aid function ............................................................................................................... 41
8 USER INTERFACE AND DIAGNOSTICS ............................................................................... 42
8.1 User interface ............................................................................................................................ 42
8.2 Diagnostic messages ................................................................................................................ 43
9 PERIODICAL CHECKS ............................................................................................................ 46
9.1 General information and useful data ......................................................................................... 47
9.2 Warranty .................................................................................................................................... 47
10 DEVICE MAINTENANCE ......................................................................................................... 48
10.1 Product disposal ....................................................................................................................... 48
11 TECHNICAL DATA .................................................................................................................. 49
12 AVAILABLE MODELS ............................................................................................................. 50
13 OVERALL DIMENSIONS ......................................................................................................... 52
14 INCLUDED ACCESSORIES .................................................................................................... 53
SG4 BASE
6/74
15 ACCESSORIES ........................................................................................................................ 54
15.1 (ST-KSTD) Metal angled fixing bracket .................................................................................... 54
15.2 (ST-KPxMP) Plastic angled fixing bracket ................................................................................ 56
15.3 (ST-K4ROT) Metal rotating fixing bracket ................................................................................. 58
15.4 (SG-PSB) Protective stands ..................................................................................................... 59
15.5 (SG-P) Plate kit for protective stands ....................................................................................... 60
15.6 (SE-S) Columns and floor stands ............................................................................................. 61
15.7 (SG-DM) Deviating mirrors ....................................................................................................... 62
15.8 (SG-IP69K) PMMA protection tubes ......................................................................................... 64
15.9 (SG-LS) PMMA lens shield ....................................................................................................... 65
15.10 (TP) Test piece ......................................................................................................................... 66
15.11 Connection cables .................................................................................................................... 67
15.12 (SG-LP) Laser pointer ............................................................................................................... 68
15.13 (SE-SR2) Safety relay ............................................................................................................... 69
15.14 (CSME-03VU24-Y14) EDM relay box ....................................................................................... 69
16 GLOSSARY .............................................................................................................................. 70
SG4 BASE
7/74
NORM
DESCRIPTION
EN 61496-1: 2013
Safety of machinery: electrosensitive protective equipment. Part 1: General prescriptions and tests.
EN 61496-2: 2013
Safety of machinery: electrosensitive protective equipment - Particular requirements for equipment using active optoelectronic protective devices.
EN ISO 13849-1: 2015
Safety of machinery. Safety-related parts of control systems. Part 1: General principles for design
EN 61508-1: 2010
Functional safety of electrical/electronic/programmable electronic safety-related systems. Part 1: General requirements
EN 61508-2: 2010
Functional safety of electrical/electronic/programmable electronic safety-related systems. Part 2: Requirements for electrical/electronic/programmable electronic safety­related systems
EN 61508-3: 2010
Functional safety of electrical/electronic/programmable electronic safety-related systems. Part 3: Software requirements
EN 61508-4: 2010
Functional safety of electrical/electronic/programmable electronic safety-related systems. Part 4: Definitions and abbreviations
EN 62061:2005/A2: 2015
Safety of machinery. Functional safety of electrical/ electronic/programmable electronic safety-related control systems.
1 GENERAL INFORMATION
1.1 GENERAL DESCRIPTION
The safety light curtains 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 are intrinsic safety systems used as accident-prevention protection devices and are manufactured in accordance with the international Standards in force for safety, in particular:
The device, consisting of one emitter and one receiver contained inside 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 one or more connectors as specified in cfr.ELECTRICAL CONNECTIONS
page 27. 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 (cfr.USER INTERFACE AND DIAGNOSTICS page 42).
The receiver is the main controller for all functions. It monitors all safety actions in case of failure and performs general functions as well.
During installation, an user interface facilitates the alignment of both units (cfr.ALIGNMENT PROCEDURE page
33).
As soon as an object, or 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 or trigger Safety State over connected safety Fieldbus.
SG4 BASE
8/74
Notes and detailed descriptions about particular characteristics of the safety devices in order to better explain their functioning. Special instructions regarding the installation process.
Some parts or sections of this manual containing important information for the user or installing operator are preceded by a note:
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 Technical Service for any necessary information relative to the functioning of the light curtains and the safety rules that regulate the correct installation (cfr. USER INTERFACE AND DIAGNOSTICS page 42).
1.2 PACKAGE CONTENTS
Package contains the following objects:
Receiver (RX)  Emitter (TX)  Quick Guide of safety light curtain  Periodical checklist and maintenance schedule  Mini-DVD with instruction manual and other documents  4 angled fixing brackets and specific fasteners  2 additional angled fixing brackets for models with heights included between 1200 and 1800 mm
SG4 BASE
9/74
1.3 NEW FEATURES COMPARED TO SE4-PLUS (EDM)
With respect to SE4-PLUS (EDM) series, the SG4 BASE safety light curtain series presents new important features:
Higher operating distance  Shorter response time (see cfr.TECHNICAL DATA page 49)  Range enlargement with 150 to 1800 mm controlled heights  New profile compatible with SE accessories  New fastening system with rotating brackets  TEST line with reversed activation logics (active high)  Advanced alignment for receiver and transmitter units
Furthermore, SG4 BASE has 2 selectable functions, i.e.:
EDM function  Manual/automatic Restart
SG4 BASE
10/74
R=14 mm
Finger protection
R=30 mm
Hand protection
Fig 1 - Detection capability
1.4 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.
1.4.1 Detection capability
The detection capability (or resolution) of the device is the minimum diameter that an opaque object must have in order to obscure at least one of the beams that constitute the detection zone and to actuate the sensing device.
The resolution is related to the part of the body to be protected.
As shown in Fig 1 - page 10, the resolution only depends on the geometrical characteristics of the lenses, diameter and distance between centres, and is independent of any environmental and operating conditions of the safety light curtain.
The resolution value is obtained applying the following formula:
where: I=Interaxes between two adjacent optics d=Lens diameter
R = I + d
SG4 BASE
11/74
Fig 2 - Detection Zone
Model 14mm
Model 30mm
Controlled height
Hp (mm)
SG4-14-015-OO-E/X
SG4-30-015-OO-E/X
150
SG4-14-030-OO-E/X
SG4-30-030-OO-E/X
300
SG4-14-045-OO-E/X
SG4-30-045-OO-E/X
450
SG4-14-060-OO-E/X
SG4-30-060-OO-E/X
600
SG4-14-075-OO-E/X
SG4-30-075-OO-E/X
750
SG4-14-090-OO-E/X
SG4-30-090-OO-E/X
900
SG4-14-105-OO-E/X
SG4-30-105-OO-E/X
1050
SG4-14-120-OO-E/X
SG4-30-120-OO-E/X
1200
SG4-14-135-OO-E/X
SG4-30-135-OO-E/X
1350
SG4-14-150-OO-E/X
SG4-30-150-OO-E/X
1500
SG4-14-165-OO-E/X
SG4-30-165-OO-E/X
1650
SG4-14-180-OO-E/X
SG4-30-180-OO-E/X
1800
1.4.2 Height of the detection zone
The controlled height is the height protected by the safety light curtain.
SG4 BASE
12/74
Fig 3 - Installation distance (vertical positioning)
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 cfr.TECHNICAL DATA page 49)
t2 = Machine stopping time in seconds (including the Safety Control 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 (R -14) for devices with resolution ≤ 40 mm
C=850 mm for devices with resolution > 40 mm
R = Resolution of the system
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
1.4.3 Minimum installation distance
The safety device must be positioned at a specific safety distance (Fig 3 - page 12). This distance must ensure that the dangerous area cannot be reached before the dangerous motion of the
machine has been stopped by the Safety Control System. The safety distance depends on 4 factors, according to the EN ISO 13855 Standard: Response time of the ESPE (the time between the effective beam interruption and the opening of the OSSD
contacts)
Machine stopping time including Safety Control System computing and actuating time if present.  ESPE resolution  Approaching speed of the object to be detected
The following formula is used for the calculation of the safety distance:
S = K (t1 + t2) + C
where:
SG4 BASE
13/74
S =
Minimum safety distance in mm.
t1
=
Response time of the ESPE in seconds (cfr. TECHNICAL DATA page 49)
t2 = Machine stopping time in seconds (including the Safety Control System)
H = Beam height from ground; this height must always be less than 1,000 mm.
Fig 4 - Installation distance (horizontal positioning)
S =
Minimum safety distance in mm.
t1 = ESPE response time
t2 = Machine total stopping time (Including safety control system).
T = (t1 + t2) Overall system stopping performance
C = 8 * (R – 14) for devices with resolution <= 40 mm
R = Resolution of the system
SG4-14-060-OO-E/X
SG4-30-030-OO-E/X
T
0.393 sec
0.394 sec
C
0 mm
128 mm
S
641.6 mm
758.4 mm
The reference standard is EN ISO 13855 “Safety of machinery - Positioning of safeguards with respect to the approach speeds of parts of the human body”.
The following information is to be considered as indicative and concise. For correct safety distance please refer to complete standard EN ISO 13855.
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 - page 13) 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:
Practical examples Let's suppose to have a light curtain with height = 600 mm To calculate the distance of the device from the ESPE, in a vertical position, the following formula is used:
S = K*T + C
where:
In all cases, if K = 2000mm/sec then S will be > 500 mm. Distance will have then to be recalculated using K = 1600 mm/sec.
SG4 BASE
14/74
Fig 5 - Operating point protection on drilling machines
Fig 6 - Bending presses
1.5 TYPICAL APPLICATIONS
Example 1: Operating point protection on drilling machines
The operator positions the part and takes it back after machining. The operator must be protected against possible abrasions while working.
Solution: SG 14mm safety light curtain is especially suitable for this kind of application, which requires the installation of the device directly on the machine.
Advantages: Highly reduced profile size guarantees installation flexibility for machine dimensions.
Example 2: Bending presses
The safety device must protect the operator from being squashed between the top and bottom tool or the machined part during the fast approach phase.
Solution: If only one beam of the safety light curtain is darkened while the press is moving down, the mobile tool bar will stop.
Advantages: The safety light curtain can be used in most bending operations thanks to its easy installation and compact dimensions.
As well as offering excellent reliability, SG ensures increased plant productivity as it reduces the dead times necessary for machine accessing, adjustment and maintenance.
SG4 BASE
15/74
Fig 7 - Paper cutting machines
Fig 8 - Milling machines
Example 3: Paper cutting machines
These machines typically cut paper to a specific size for newspapers or special applications. The operator must be protected against abrasion or cuts by cutter blades.
Solution: SG 30mm safety light curtain is especially suitable for this kind of application, which require the installation of the device directly on the machine.
Advantages: Highly reduced profile and the two side slots ensure installation flexibility for machine dimensions.
Example 4: Milling machines
A milling machine is a machine tool used for the shaping of metals and other solid materials. Operator hands and body must be protected from being dragged, entangled or cut by the tool / spindle.
Solution: SG 30mm safety light curtain is the best solution considering the required safety levels and application type. When even just one of the light curtain beams is interrupted, the machine is immediately stopped.
Advantages: Highly reduced profile size guarantees installation flexibility for machine dimensions.
SG4 BASE
16/74
For a correct and safe use of the safety light curtains, the following points must be observed:
Please carefully read the instructions for the correct functioning before powering the light curtain on.
1.6 SAFETY INFORMATION
The stopping system of the machine must be electrically controlled.  This control system must be able to stop the dangerous movement of the machine within the total machine
stopping time T as per paragraph Minimum installation distance page 12 and during all working cycle phases.
Mounting and connection of the safety light curtain must be carried out by qualified personnel only, according
to the indications included in the special sections (refer to sections INSTALLATION page 17, MECHANICAL MOUNTING page 26, ELECTRICAL CONNECTIONS page 27, ALIGNMENT PROCEDURE page 33) and in the applicable standards.
The safety light curtain must be securely placed in a particular position so that access to the dangerous zone is
not possible without the interruption of the beams (refer section INSTALLATION page 17).
The personnel operating in the dangerous area must be well trained and must have adequate knowledge of all
the operating procedures of the safety light curtain.
Only for models SG4-xx-xxx-OO-E:
The TEST button must be located outside the protected area because the operator must check the protected
area during all Test operation.
The RESET/RESTART button must be located outside the protected area because the operator must check
the protected area during all Reset/Restart operations.
SG4 BASE
17/74
Make sure that the protection level assured by the light curtain device is compatible with the real danger level of the machine to be controlled, according to EN ISO 13849-1: 2015 or EN 62061:2005/A2: 2015.
2 INSTALLATION
2.1 PRECAUTIONS TO BE OBSERVED FOR THE CHOICE AND INSTALLATION
Use only matched emitter and receiver pairs with same serial no.  The outputs (OSSD) of the ESPE must be used as machine stopping devices and not as command devices.  The machine must have its own START command.  The dimension of the smallest object to be detected must be larger than the resolution level of the device.  The ESPE must be installed in an environment complying with the characteristics indicated in TECHNICAL
DATA page 49.
The ESPE must not be installed close to strong and/or flashing light sources, in particular close to the front
window of receiving unit.
The presence of intense electromagnetic disturbances could affect device’s correct operation. This condition shall be carefully assessed with the advice of DATALOGIC Technical Service.  The operating distance of the device can be reduced in presence of smog, fog or airborne dust.  A sudden change in environment temperature, with very low minimum peaks, can generate a small
condensation layer on the lenses and thus jeopardize correct operation.
SG4 BASE
18/74
Fig 9 - Wrong light curtain positioning
Fig 10 - Correct light curtain positioning
Fig 11 - Wrong light curtain positioning
Fig 12 - Correct light curtain positioning
Fig 9 - page 18 shows some examples of possible access to the machine from the top and the bottom sides. These situations may be very dangerous and so the installation of the safety light curtain at sufficient height in order to completely cover the access to the dangerous area (Fig 10 - page 18) becomes necessary.
If the operator is able to enter in the dangerous area, an additional mechanical protection must be mounted to prevent the access.
2.2 GENERAL INFORMATION ON DEVICE POSITIONING
The safety light curtain should be carefully positioned in order to provide the necessary protection. Access to the dangerous area must only be possible by passing through the protecting safety light beams.
Under standard operating conditions, machine starting must not be possible while operators are inside the dangerous area.
Where it is not possible to install safety light curtain very near to the dangerous zone, a second light curtain must be mounted in a horizontal position in order to prevent any lateral access, as shown in Fig 12 - page 18.
SG4 BASE
19/74
Fig 13 - Distance from reflecting surfaces
2.2.1 Minimum distance from reflecting surfaces
Reflecting surfaces placed near the light beams of the safety device (over, under or laterally) can cause passive reflections. These reflections can affect the recognition of an object inside the controlled area. Moreover, if the RX receiver detects a secondary beam (reflected by the side-reflecting surface) the object might not be detected, even if the object interrupts the main beam.
It is important to position the safety light curtain according to the minimum distance from reflecting surfaces. The minimum distance depends on:
operating distance between emitter (TX) and receiver (RX);  real aperture angle of ESPE (EAA); especially:
SG4 BASE
20/74
Fig 14 - Minimum distance from reflective surface
for ESPE Type 4 EAA = 5° (α = ± 2.5°)
The formula to get Dsr is the following: For ESPE Type 4: Dsr (m) = 0.13 for operating distance < 3 m Dsr (m) = 0.5 x operating distance (m) x tg 2a for operating distance >= 3 m
SG4 BASE
21/74
Fig 15 - Distance between homologous devices
Fig 16 - ESPE Type4
Operating distance (m)
Minimum installation distance (m)
3
0,3 6 0,4
10
0,5
19
0,6
The interfering device (TXB) must be positioned at the same Ddo distance, calculated as shown above, even if closer to TXA respect to RXA. Installation precautions have to be taken to avoid interference between homologous devices. A typical situation is represented by the installation areas of several adjacent safety devices aligned one next to the other, for example in plants with different machines.
2.2.2 Distance between homologous devices
The following graphic shows the distance from the interfering devices (Ddo) according to the operating distance (Ddo) of the couple ( TXA – RXA ).
If different safety devices have to be installed in adjacent areas, the emitter of one device must not interfere dangerously with the receiver of the other device.
The TXB interfering device must be positioned outside a minimum Ddo distance from the TXA – RXA emitter­receiver couple axis.
This minimum Ddo distance depends on:
the operating distance between emitter (TXA) and receiver (RXA)  the effective aperture angle of the ESPE (EAA)
The following table shows, for convenience, the values of the minimum installation distances relative to some operating distances:
SG4 BASE
22/74
Fig 17 - Recommended positioning for homologous devices
If two light curtains have to be mounted near each other as reported in the first example of Fig 17 - page 22.
The figure provides two examples:
SG4 BASE
23/74
Fig 18 - Wrong light curtain TX-RX orientations
2.2.3 Emitter and Receiver Orientation
The two units shall be assembled parallel each other, with the beams arranged at right angles with the emission and receiving surface, and with the connectors pointing to the same direction.
The configurations shown in the figure must be avoided:
Loading...
+ 51 hidden pages
Buy Points How it Works FAQ Contact Us Questions and Suggestions Privacy Policy Cookie Policy Terms of Use