Datalogic SG4-H Instruction Manual
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Datalogic SG4-H Instruction Manual

Datalogic SG4-H Instruction Manual

Safety light curtains
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Safety Light Curtains

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Summary of Contents for Datalogic SG4-H

  • Page 1 > SG4-H Safety Light Curtains...
  • Page 2 Datasensing S.r.l. Datasensing and the Datasensing logo are trademarks of Datasensing 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.
  • Page 3 Compliance European Declaration of Conformity Hereby, Datasensing S.r.l. declares that the full text of the European Declaration of Conformity is available at: www.datasensing.com. Select the link from the downloads section of the product page. UKCA Declaration of Conformity Hereby, Datasensing S.r.l. declares that the full text of the UKCA Declaration of Conformity is available at: www.datasensing.com.

  • Page 4: Table Of Contents

    SG4-H GENERAL INFORMATION ......................5 General description ........................5 Package contents ........................6 How to choose the device ......................7 1.3.1 Detection capability ........................7 1.3.2 Height of the detection zone ....................... 8 1.3.3 Minimum installation distance ..................... 9 Typical applications ........................11 Safety information ........................

  • Page 5: General Information

    SG4-H 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.

  • Page 6: Package Contents

    SG4-H Some parts or sections of this manual containing important information for the user or installing 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.

  • Page 7: How To Choose The Device

    SG4-H 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 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.

  • Page 8: Height Of The Detection Zone

    SG4-H 1.3.2 Height of the detection zone The controlled height is the height protected by the safety light curtain. Fig 2 - Detection Zone Controlled height MODEL Hp (mm) SG4-H14-015-OO-X-x SG4-H14-030-OO-X-x SG4-H14-045-OO-X-x 8/44...

  • Page 9: Minimum Installation Distance

    SG4-H 1.3.3 Minimum installation distance The safety device must be positioned at a specific safety distance (Fig 3 - page 9). 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.
  • Page 10 SG4-H 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).

  • Page 11: Typical Applications

    • Powder filling machines. SG4-H can be placed within the machine area, i.e. in correspondence to the opening with gloves as seen in the picture. The safety light curtain, realized in stainless steel and glass can stand the same level of washing of the rest of the machine ( i.e.

  • Page 12: Safety Information

    SG4-H 1.5 SAFETY INFORMATION For a correct and safe use of the safety light curtains, the following points must be observed: • 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 9 and during all working cycle phases.

  • Page 13: Installation

    SG4-H 2 INSTALLATION 2.1 PRECAUTIONS TO BE OBSERVED FOR THE CHOICE AND INSTALLATION 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.

  • Page 14: General Information On Device Positioning

    SG4-H 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. Fig 7 - page 14 shows some examples of possible access to the machine from the top and the bottom sides.

  • Page 15: Minimum Distance From Reflecting Surfaces

    SG4-H 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.
  • Page 16 SG4-H Fig 12 - Minimum distance from reflective surface 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...

  • Page 17: Distance Between Homologous Devices

    SG4-H 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.
  • Page 18 SG4-H The figure provides two examples: Fig 15 - Recommended positioning for homologous devices 18/44...

  • Page 19: Emitter And Receiver Orientation

    SG4-H 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:...

  • Page 20: Use Of Deviating Mirrors

    SG4-H 2.2.4 Use of deviating mirrors The control of any dangerous area, with several but adjacent access sides, is possible using only one safety device and well-positioned deviating mirrors. The figure shows a possible solution to control two different access sides, using one mirror placed at 45° with respect to the beams.

  • Page 21: Controls After First Installation

    SG4-H 2.2.5 Controls after first installation The control operations to carry-out after the first installation and before machine start-up are listed hereinafter. The controls must be carried-out by qualified personnel, either directly or under the strict supervision of the person in charge of machinery Safety.

  • Page 22: Mechanical Mounting

    SG4-H 3 MECHANICAL MOUNTING No mounting bracket is provided for this product SG4-H14-015-OO-X-B / SG4-H14-030-OO-X-B / SG4-H14-045-OO-X-B The product is equipped with a support shaft exiting at connector area and designed to allow vertical and coaxial fastening on one side only.

  • Page 23: Electrical Connections

    SG4-H 4 ELECTRICAL CONNECTIONS 4.1 PIN-OUT AND CONFIGURATION PIN CONNECTION All electrical connections to the emitting and receiving units are made through a male M12 connector, located on the lower part of the two units. For receiver a M12 5-poles connector is used, while for emitter a M12 4-poles connector is used.

  • Page 24: Notes On Connections

    SG4-H 4.2 NOTES ON CONNECTIONS For the correct operation of the safety light curtains, the following precautions regarding the electrical connections have to be respected: • Do not place connection cables in contact with or near high-voltage cables and/or cable undergoing high current variations (e.g.
  • Page 25 SG4-H • Connect both OSSDs to the device to control. • Failure to connect an OSSD to the activating device jeopardizes the system safety degree that the light curtain has to control. Fig 22 - OSSDs connection Fig 23 - Behaviour of OSSDs...

  • Page 26: Alignment Procedure

    SG4-H 5 ALIGNMENT PROCEDURE The alignment between the emitting and the receiving units is necessary to obtain the correct operation of the light curtain. A good alignment prevents outputs instability caused by dust or vibrations. The alignment is perfect if the optical axes of the first and the last emitting unit's beams coincide with the optical axes of the corresponding elements of the receiving unit.
  • Page 27 SG4-H Signals are clearly identified through symbols allowing their immediate reading, independent of bars directions; a short description of LEDs signals proves nevertheless necessary so as to avoid misunderstandings. Fig 25 - LEDs signals The alignment level is monitored during device standard operating mode via display (see Diagnostic messages page 29).

  • Page 28: Functions Setting

    SG4-H 6 FUNCTIONS SETTING Light curtains is ready to use without any preliminary function setting. Light curtain, starts up end goes in normal operation as soon as connected to power supply. Check connection for any improper detected start up. 28/44...

  • Page 29: User Interface And Diagnostics

    Curtain operating status is visualised through an one-digit display present on both the receiver and emitter units. SG4-H also has four LEDs on the receiver and two LEDs on the emitter. Fig 26 - page 29 shows all LEDs signalling modes: OFF, ON and BLINKING.

  • Page 30: Diagnostic Messages

    SG4-H 7.2 DIAGNOSTIC MESSAGES The operator can evaluate the main causes of the system stop or failure through the display and signalling LEDs. For Receiver: Function Type Check and repair DIGIT Emission Light curtain working in normal operating (OSSD ON)
  • Page 31 SG4-H For Emitter: Function Type Check and repair DIGIT Emission (green ON, Light curtain in normal operating condition yellow ON) Function Type Check and repair DIGIT Internal error (green ON) Switch OFF and switch ON the power supply circuit. If the failure continues...

  • Page 32: Periodical Checks

    SG4-H 8 PERIODICAL CHECKS The following is a list of recommended check and maintenance operations that should be periodically carried-out by qualified personnel (cfr. Controls after first installation page 20) Check that: • The ESPE stays locked ( ) during beam interruption along the entire protected area, using the suitable “Test Piece”...

  • Page 33: General Information And Useful Data

    SG4-H 8.1 GENERAL INFORMATION AND USEFUL DATA Safety MUST be a part of our conscience. The safety devices fulfil their safety function only if they are correctly installed, in accordance with the Standards in force. If you are not certain to have the expertise necessary to install the device in the correct way, DATASENSING is at your disposal to carry out the installation.

  • Page 34: Device Maintenance

    SG4-H 9 DEVICE MAINTENANCE DATASENSING safety light curtains do not require special maintenance operations. To avoid the reduction of the operating distance, optic protective front surfaces must be cleaned at regular intervals. Use soft cotton cloths damped in water. Do not apply too much pressure on the surface in order to avoid making it opaque.

  • Page 35: Technical Data

    SG4-H 10 TECHNICAL DATA SAFETY CATEGORY: Type 4 (rif. EN 61496-1: 2013) SIL 3 (rif. EN 61508) SIL CL 3 (ref. EN 62061:2005/A2: 2015) PL e, Cat. 4 (rif. EN ISO 13849-1: 2015) PFHd [1/h] = 2,64E-09 MTTFd [years] = 444...

  • Page 36: Available Models

    SG4-H 11 AVAILABLE MODELS Controlled Response time Model No. Beams Resolution (mm) height (mm) (msec) SG4-H14-015-OO-X-x SG4-H14-030-OO-X-x SG4-H14-045-OO-X-x PFHd MTTFd Product (1/h) (years) (years) SG4-H14-015-OO-X-x 2.64E-09 98.80% 99.30% SG4-H14-030-OO-X-x 2.64E-09 98.80% 99.30% SG4-H14-045-OO-X-x 2.64E-09 98.80% 99.30% 36/44...

  • Page 37: Overall Dimensions

    SG4-H 12 OVERALL DIMENSIONS SG4-H14-015-OO-X-B / SG4-H14-030-OO-X-B / SG4-H14-045-OO-X-B Fig 27 - Overall dimensions (mm) SG4-H14-015-OO-X-B SG4-H14-030-OO-X-B SG4-H14-045-OO-X-B 290.6 440.6 590.6 SG4-H14-015-OO-X-G / SG4-H14-030-OO-X-G / SG4-H14-045-OO-X-G Fig 28 - Overall dimensions (mm) SG4-H14-015-OO-X-G SG4-H14-030-OO-X-G SG4-H14-045-OO-X-G 302.3 452.3 602.3 37/44...

  • Page 38: Accessories

    SG4-H 13 ACCESSORIES 13.1 (TP) TEST PIECE MODEL DESCRIPTION CODE TP-14 Test piece Ø 14mm L=300mm 95ACC1630 TP-20 Test piece Ø 20mm L=300mm 95ACC1640 TP-24 Test piece Ø 24mm L=200mm 95ASE2570 TP-30 Test piece Ø 30mm L=300mm 95ACC1650 TP-34 Test piece Ø 34mm L=200mm...

  • Page 39: Connection Cables

    SG4-H 13.2 CONNECTION CABLES 4-pole M12 cables MODEL DESCRIPTION CODE CS-A1-02-U-03 4-pole M12 cable (axial) 3 m 95ASE1120 CS-A1-02-U-05 4-pole M12 cable (axial) 5 m 95ASE1130 CS-A1-02-U-10 4-pole M12 cable (axial) 10 m 95ASE1140 CS-A1-02-U-15 4-pole M12 cable (axial) 15 m...

  • Page 40: Se-Sr2) Safety Relay

    SG4-H 13.3 (SE-SR2) SAFETY RELAY MODEL DESCRIPTION CODE SE-SR2 Type 4 safety relay - 3 NQ 1 NC 95ACC6170 The drawing show the connection between the safety light curtain and the Type 4 safety relay of the SE-SR2 series operating in the automatic Restart mode.

  • Page 41: Glossary

    SG4-H 14 GLOSSARY Detection zone: zone within which a specified test piece will be detected by the ESPE Safety light curtain: it is an active optoelectronic protective device (AOPD) including an integrated system consisting of one or several emitting elements and one or several receiving elements forming a detection area with a detecting capacity specified by the supplier.
  • Page 42 SG4-H Interlock: operating state of ESPE in Manual Restart Mode when all beams are free but the Restart command hasn’t been received yet. Normal Operation: operating state of ESPE when all beams are free, OSSD LED lit GREEN in SL light curtain OSSD1 and OSSD2 are switchen ON.
  • Page 43 SG4-H Fig 1 - Detection capability ......................7 Fig 2 - Detection Zone........................8 Fig 3 - Installation distance (vertical positioning) ................9 Fig 4 - Installation distance (horizontal positioning) ..............10 Fig 5 - Filling machines ......................11 Fig 6 - Vertical installation of the light curtain ................13 Fig 7 - Wrong light curtain positioning ..................
  • Page 44 SG4-H www.datasensing.com 44/44...

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