Leuze MLC 530 SPG Original Operating Instructions
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Leuze MLC 530 SPG Original Operating Instructions

Safety light curtains
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Original operating instructions
MLC 530 SPG
Safety Light Curtains
We reserve the right to make technical changes
EN • 2022-02-15 • 50132717

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Summary of Contents for Leuze MLC 530 SPG

  • Page 1 Original operating instructions MLC 530 SPG Safety Light Curtains We reserve the right to make technical changes EN • 2022-02-15 • 50132717...
  • Page 2 © 2022 Leuze electronic GmbH + Co. KG In der Braike 1 73277 Owen / Germany Phone: +49 7021 573-0 Fax: +49 7021 573-199 www.leuze.com info@leuze.com Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 3: Table Of Contents

    Operating range selection.....................  39 Signal output .........................  39 Blanking .......................... 40 Applications ...................... 43 Access guarding with SPG .................... 43 6.1.1 Transport out of a danger zone .................. 44 6.1.2 Inward transport of pallets .................... 46 Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 4 12.3 Error messages 7-segment display .................. 85 Disposing...................... 90 Service and support ................... 91 Technical data ..................... 92 15.1 General specifications ...................... 92 15.2 Dimensions and weights .......................  94 15.3 Dimensioned drawings: Accessories .................. 96 Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 5 Table of contents Order guide and accessories................ 99 EU/EC Declaration of Conformity.............. 105 Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 6: About This Document

    Switching signal from a control (Controller Signal) Function group (Function Group) LED, display element in transmitter and receiver MaxiScan Multiple scan, up to 100 ms Brief description of the safety sensor, consisting of transmitter and receiver Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 7: Checklists

    They replace neither testing of the complete machine or system prior to initial commissioning nor their peri- odic testing by a qualified person (see chapter 2.2 "Necessary competencies"). The checklists contain mini- mum testing requirements. Depending on the application, other tests may be necessary. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 8: Safety

    • The construction of the safety sensor must not be altered. When manipulating the safety sensor, the protective function is no longer guaranteed. Manipulating the safety sensor also voids all warranty claims against the manufacturer of the safety sensor. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 9: Foreseeable Misuse

    Specialist knowledge and experience in the selection and use of protective devices on machines as well as the application of technical rules and the locally valid regulations on labor protection, safety at work and safety technology. Specialist knowledge in programming safety-related controls SRASW acc. to EN ISO 13849-1. Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 10 • In addition, a task related to the subject matter is performed in a timely manner and knowledge is kept up to date through continuous further training ‑ Competent person in terms of the German Betrieb- ssicherheitsverordnung (Ordinance on Industrial Safety and Health) or other national legal regulations. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 11: Responsibility For Safety

    • Periodic testing by a competent person (see chapter 2.2 "Necessary competencies") Disclaimer The liability of Leuze electronic GmbH + Co. KG is to be excluded in the following cases: • Safety sensor is not used as intended. • Safety notices are not adhered to.

  • Page 12: Device Description

    LED indicator ■ ■ ■ ■ ■ ■ ■ ■ 7‑segment ■ ■ ■ display Automatic ■ ■ ■ start/restart ■ ■ ■ ■ Linkage ■ Blanking ■ ■ Muting ■ Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 13 During the SPG process, an interruption of both synchronization beams up to 60 s is possible (see chapter 4.1 "Overview and principle"). Optically active area, housed in yellow Synchronization beams Fig. 3.1: Transmitter-receiver system Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 14: Connection Technology

    Located in the connection cap on the transmitter are two LEDs which serve as function indicators: LED1, green/red LED2, green Fig. 3.3: Indicators on the MLC 500 transmitter Tab. 3.2: Meaning of the LEDs on the transmitter State Description LED1 LED2 Device switched off Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 15: Operating Indicators On The Mlc 530 Spg Receiver

    Three LEDs and a 7-segment display for visualizing the operating state are located on the receiver: LED1, red/green LED2, yellow LED3, blue OSSD icon RES icon Blanking/SPG icon 7‑segment display Fig. 3.4: Indicators on the MLC 530 SPG receiver Tab. 3.3: Meaning of the LEDs on the receiver Color State Description Red/green Device switched off OSSD off Red, flashing slowly (approx. 1 Hz)

  • Page 16: Alignment Display

    In this mode, one third of the total protective field (top, middle, bottom) is assigned to one of the three hori- zontal segments. In the case of uniform resolution over the entire protected area, the state of this partial protective field is indicated as follows: Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 17 Switched off All beams in the beam area are interrupted. When the protective field has been free for about 5 s, the device switches back to the display of the operat- ing mode. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 18: Smart Process Gating

    The two synchronization beams of the safety light curtain can be simultaneously interrupted for no more than 60 s during the SPG process. Ä Make certain that one synchronization beam always remains free. Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 19 PL e with safety control ■ ■ ■ ■ Minimum time for ending gating (see chapter 4.5.1 "Controlled 100 ms 100 ms 100 ms 100 ms gating end") Gating tolerance time t1 4 s 2 s 4 s 4 s Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 20 The following general functions of the MLC safety light curtains are available in all SPG operat- ing modes (see chapter 5 "Functions"): Start/restart interlock (RES) Transmission channel changeover Operating range selection Signal output Blanking Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 21: Spg Requirements

    • To prevent persons from entering the danger zone after the end of gating, it must be ensured that the transport material is less than 200 mm away from the protective field after the end of gating. Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 22 2 s (operating mode 1 or 6). • Controlled gating end: The signals from the protective field and CS switching signal are both inactive for longer than 0.1 s (see chapter 4.5.1 "Controlled gating end"). Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 23: Spg Checklist For Programmers

    "Controlled gating end") NOTICE There is an increased risk of tampering during entry into the danger zone. Ä To reduce the risk of tampering, evaluate additional information, e.g., a belt movement sig- nal. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 24: Spg Operating Modes

    Small gaps in the load can thereby be tolerated. Max. conveyor speed without additional measure 0.1 m/s 0.4 m/s 0.2 m/s 0.1 m/s Qualified stop ■ ■ ■ Partial gating ■ Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 25: Operating Mode 1 - Qualified Stop

    Switching signal from the control Timer hold signal from the control Protective field interrupted Gating active Antivalent signal change between CS and TH < 4 s 2 s < 20 s < 10 min Fig. 4.2: Operating mode 1 - Qualified stop Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 26: Operating Mode 4 - Standard With Short Tolerance Times

    In operating mode 4, non-safe controls can also be used. Performance Level PL d is thereby achieved. The operating mode 4 is intended primarily for conveyor speeds > 0.4 m/s, such as they are used in, e.g., the intralogistics sector. Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 27 Operating mode 5 NOTICE The timeout of 10 minutes can optionally be extended by another control signal (TH timer hold signal) from the control to up to 100 hours (see chapter 4.5.2 "Gating timeout extension"). Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 28: Operating Mode 5 - Standard

    • At higher transport speeds, the gating end must be performed by the control (see chapter 4.5.1 "Con- trolled gating end"). Switching signal from the control Timer hold signal from the control (optional) Protective field interrupted Gating active < 4 s 1 s < 20 s < 10 min Fig. 4.5: Operating mode 5 Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 29: Operating Mode 6 - Partial Gating

    Like operating mode 1, operating mode 6 is intended primarily for lower conveyor speeds (< 0.1 m/s). For an automatic gating end to be possible at speeds up to 0.1 m/s, t2 is set to 2 s. Partial gating Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 30 The TH timer hold signal from the control must not be generated by inverting the CS switching signal. The function of the stop of the gating sequence as well as of the gating restart is initiated by the renewed edge change of the CS and TH signals. Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 31 Switching signal from the control Timer hold signal from the control Antivalent signal change between CS and TH Protective field interrupted Gating active < 4 s < 2 s < 20 s < 10 min Fig. 4.6: Operating mode 6 - Qualified stop Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 32: Operating-Mode-Independent Spg Functions

    • The gating sequence ends maximum 100 ms after removal of the CS switching signal. t < 0,1 s Switching signal from the control Protective field interrupted Gating active Fig. 4.7: Controlled gating end in operating modes 4 and 5 Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 33 Operating mode 5: at conveyor speed v < 0.2 m/s, controlled gating end or other measures are not necessary. Operating modes 1 and 6: at conveyor speed v < 0.1 m/s, controlled gating end or other mea- sures are not necessary. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 34: Gating Timeout Extension

    Switching signal from the control Timer hold signal from the control Protective field interrupted Gating active < 4 s 0.5 s, 1 s or 2 s (depending on the operating mode) < 20 s Fig. 4.9: SPG timeout extension Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 35: Gating Sequence Reset

    • The gating sequence restart must occur within no more than one hour, otherwise the device switches to an interlock state. • It may be necessary to reapply the CS switching signal before initiating a new gating sequence. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 36: Gating Restart

    If, after the button is pressed for the second time, a valid gating state is present (CS switching signal is applied, protective field interrupted), the initiated gating sequence is continued. The ML signal output alternately delivers 0 V and 24 V until the OSSDs are switched on again. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 37: Override

    If, after the button is pressed for the second time, a valid gating state is present (CS switching signal is applied, protective field interrupted), the initiated gating sequence is continued. The ML signal output alternately delivers 0 V and 24 V until the OSSDs are switched on again. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 38: Functions

    Ä Before unlocking the start/restart interlock, make certain that no people are in the danger zone. After the reset button has been actuated, the safety sensor switches to the ON state. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 39: Transmission Channel Changeover

    Signal output This signal output outputs 24 V if gating is free of errors. In the event of faulty gating, e.g., if the protective field is not interrupted after 4 s, it flashes. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 40: Blanking

    Risk of injury due to inadmissible application of blanking! Blanking is not permitted with danger zone guarding since the blanked areas would form acces- sible bridges to the danger zone. Ä Do not use blanking for danger zone guarding. Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 41 No "shadows" may form in the protective field. Fig. 5.3: Fixed blanking: prevention of formation of "shadows" Taught blanking areas must have a minimum distance to each other which corresponds to the resolution of the safety sensor. Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 42 During teaching, the object size detected can vary by no more than one beam. Otherwise teaching is ended with the U71 user message (see chapter 12.1 "What to do in case of failure?"). Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 43: Applications

    Applications The safety sensor only creates square protective fields. Access guarding with SPG Typical application areas for the MLC 530 SPG for material infeed into or out of danger zones are in the au- tomotive and intralogistics sectors. Fig. 6.1: Smart Process Gating (SPG) at automotive production lines Fig. 6.2:...

  • Page 44: Transport Out Of A Danger Zone

    If the transport flow is interrupted, the control can than 4 s after the CS switching interrupt the SPG cycle if the protective field was signal. not yet interrupted (see chapter 4.4.1 "Operating mode 1 - Qualified stop"). Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 45 Transmitter and receiver must remain in sync during the timeout: the protective field length must be greater than the transport material. Process sequence Operating mode 1 with a safety control (see chapter 4.4.1 "Operating mode 1 - Qualified stop"). Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 46: Inward Transport Of Pallets

    • Entry of the pallet into the wrapper is not interrupted once started until the pallet is in the wrapping position within the danger zone. • A timeout extension is not necessary. The timer hold signal TH is permanently switched to OFF. Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 47 Length of the pallet Gating start Gating end Distance traveled after activation of the CS switching signal until interruption of the protective field: < 200 mm Fig. 6.5: Feeding a pallet into a danger zone Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 48 Automatic gating end is not possible. Gating must be interrupted by the control (see chapter 4.5.1 "Controlled gating end"). The prerequisites for SPG operation are met. Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 49 (see chapter 4.1 "Overview and princi- 1 s (operating ple"). mode 5) For a conveyor speed of 0.3 m/s, gaps of up to 0.5 s (operating 300 mm are tolerated in operating mode 5 mode 4) (1 s x 0.3 m/s = 300 mm). Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 50 Time difference between clearing of the protective field and switching off of the CS switching signal: < 1 s Time difference of the sensor signals: < 300 ms Fig. 6.6: Signal sequence when feeding a pallet into a danger zone Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 51: Mounting

    General formula for calculating the safety distance S of an Optoelectronic Protective Device acc. to ISO 13855 [mm] Safety distance [mm/s] Approach speed Total time of the delay, sum from (t  + t  + t Response time of the protective device Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 52: Calculation Of Safety Distance If Protective Fields Act Orthogonally To The Approach Direction

    Response time of the safety relay Stopping time of the machine [mm] Additional distance for point of operation guarding with approach reaction with resolutions of 14 to 40 mm, d = resolution of protective device C  = 8 × (d - 14) mm Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 53 The safety light curtain with a 40 mm resolution is thus suitable for this application. NOTICE For the calculation with K = 2000 mm/s, safety distance S equals 736 mm. The adoption of ap- proach speed K = 1600 mm/s is therefore permitted. Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 54 Height b of the upper edge of the protective field of the electro-sensitive protective of the equipment point of 1000 1100 1200 1300 1400 1600 1800 2000 2200 2400 2600 opera- tion Additional distance C to the danger zone [mm] [mm] 2600 2500 2400 2200 Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 55 Ä Now calculate safety distance S using the general formula acc. to ISO 13855 (see chapter 7.1.1 "Cal- culation of safety distance S"). ð The larger of the two values S and S is to be used. Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 56 Depending on the machine construction, stepping behind protection, e.g. using a second hori- zontally arranged safety light curtain, is necessary. In most cases, it will be more appropriate to choose a longer safety light curtain which makes the additional distance C equal to 0. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 57: Calculation Of Safety Distance S For Parallel Approach To The Protective Field

    Small parts are occasionally thrown out of the machine; these can fall through the protective field. This should not trigger the safety function. In addition, the installation height is increased to 300 mm. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 58: Minimum Distance To Reflective Surfaces

    25 m 10 m 15 m Required minimum distance to reflective surfaces [mm] Protective field width [m] Fig. 7.3: Minimum distance to reflective surfaces as a function of the protective field width Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 59: Resolution And Safety Distance During Fixed Blanking

    WARNING Faulty application of blanking functions may result in serious injury! Ä Note that the additional distances to the safety distance may require additional measures be taken for preventing stepping behind. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 60: Preventing Mutual Interference Between Adjacent Devices

    The transmitter of one system can influence the receiver of the other system. Ä Prevent optical crosstalk between adjacent devices. Ä Mount adjacent devices with a shield between them or install a dividing wall to prevent mutual interfer- ence. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 61: Mounting The Safety Sensor

    After mounting, you can electrically connect (see chapter 8 "Electrical connection"), start up, align (see chapter 9 "Starting up the device"), and test (see chapter 10.1 "Before commissioning and following modifi- cations") the safety sensor. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 62: Suitable Mounting Locations

    Observe the additional information on Smart Process Gating (Smart Process Gating). NOTICE If you answer one of the items on the checklist above with no, the mounting location must be changed. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 63: Definition Of Directions Of Movement

    M6 screws. Sliding in the direction of slot to set the height is possible, but turning, tilting and pitching is not. Fig. 7.7: Mounting via sliding blocks BT-NC60 Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 64: Fastening Via Bt-2Hf Swivel Mount

    For increased mechanical loads, mounting brackets are also available in a vibration-damped version (BT-2HF-S) (see chapter 16 "Order guide and accessories"). Fig. 7.8: Mounting via swivel mount BT-2HF 7.2.5 Fastening via BT-2SB10 swiveling mounting brackets Fig. 7.9: Mounting via swiveling mounting brackets BT-2SB10 Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 65: One-Sided Mounting On The Machine Table

    Ä After mounting and every day after that, check the detection capability of the safety sensor in the entire protective field using a test rod (see chapter 10.3.1 "Checklist – periodically by the operator"). Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 66: Electrical Connection

    Pin1 of the receiver is a clocked input and output. It is thus not possible to couple the reset sig- nal with other devices. This can result in an erroneous, automatic reset trigger. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 67: Pin Assignment Transmitter And Receiver

    • VIN1 = +24 V, VIN2 = 0 V: transmission channel C1 • VIN1 = 0 V, VIN2 = +24 V: transmission channel C2 The wiring of pin 4 determines the transmitting power and thereby the range: • Pin 4 = +24 V: standard range • Pin 4 = 0 V or open: reduced range Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 68 + 24V + 24V + 24V MLCx00T MLCx00T Transmission channel C1, reduced range Transmission channel C1, standard range Transmission channel C2, reduced range Transmission channel C2, standard range Fig. 8.2: Connection examples transmitter Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 69: Mlc 530 Spg Receiver

    Electrical connection 8.1.2 MLC 530 SPG receiver MLC 530 SPG receivers are equipped with a 8-pin M12 connector. MLCx30R Fig. 8.3: Pin assignment and connection diagram receiver Tab. 8.2: Pin assignment receiver Core color (CB-M12-xx000E-5GF) Receiver White IO1 - control-input function selection, control-input reset button, signal output...

  • Page 70: Operating Mode 4

    Pin 1 (bridge) NOTICE The timeout of 10 minutes can optionally be extended by another control signal (TH timer hold signal) from the control to up to 100 hours (see chapter 4.5.2 "Gating timeout extension"). Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 71: Operating Mode 6

    VIN2 0 V NOTICE The timeout of 10 minutes can optionally be extended by another control signal (TH timer hold signal) from the control to up to 100 hours (see chapter 4.5.2 "Gating timeout extension"). Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 72 Teach blanking by opening the bridge between pin 1 and pin 3 with a teach key switch and ap- plying a voltage of +24 V to pin 1 and a voltage of 0 V to pin 3. Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 73 Electrical connection Optional teach key switch Fig. 8.7: Operating mode 6: circuit diagram example with Smart Process Gating (SPG) Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 74: Starting Up The Device

    Alignment can be performed with a clear protective field by observing the LEDs and the 7-segment display (see chapter 3.3 "Display elements"). Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 75: Acknowledgement Button

    • Starting at 30 s: a +24 V short circuit is assumed on the reset input and the receiver switches to the in- terlock state (see chapter 12.1 "What to do in case of failure?"). NOTICE An individual acknowledgement unit must be provided for each MLC 530 receiver. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 76: Gating Restart And Override

    Ä Before unlocking the start/restart interlock, make certain that no people are in the danger zone. Depending on whether or not the synchronization beams are occupied, a gating restart (see chapter 4.5.4 "Gating restart") or override (see chapter 4.5.5 "Override") is to be performed. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 77: Teaching Of Fixed Blanking Areas

    Start and end teaching – press and release key switch twice Operation – objects may only move by one beam with respect to the taught position Fig. 9.1: Teaching of fixed blanking areas Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 78: Testing

    Ä If you answer one of the items on the following check list with no, the machine must no longer be operated. Ä IEC 62046 contains additional recommendations on testing protective devices. Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 79 Are notices for regular testing of the safety sensor legible to the opera- tor and are they located in a highly visible location? Are changes to the safety function (e.g. blanking, protective field switchover) not easy to achieve through tampering? Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 80: To Be Performed Periodically By Competent Persons

    Ä Only allow testing to be performed by qualified persons (see chapter 2.2 "Necessary competencies"). Ä Observe the nationally applicable regulations and the time periods specified therein. Ä As preparation, observe the checklist (see chapter 10.1 "Before commissioning and following modifica- tions"). Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 81: Periodically By The Operator

    Ä Make certain that there are no people in the danger zone. Ä Before they begin work, train the operators on their respective tasks and provide suitable test objects and an appropriate test instruction. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 82: 10.3.1 Checklist - Periodically By The Operator

    – are the obviously dangerous machine parts stopped with- out noticeable delay? Protective device with presence detection: the protective field is interrupted with the test object – does this prevent operation of the obviously dangerous machine parts? Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 83: Maintenance

    Ä Clean the safety sensor periodically depending on the degree of contamination. NOTICE Prevent electrostatic charging of the front screens! Ä To clean the front screens of transmitter and receiver, use only damp cloths. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 84: Troubleshooting

    Ä Analyze and eliminate the cause of the fault using the following table. Ä If you are unable to rectify the fault, contact the Leuze electronic branch responsible for you or call the Leuze electronic customer service (see chapter 14 "Service and support").

  • Page 85: Error Messages 7-Segment Display

    Cross-circuit between OSSD1 Check the wiring between OSSD1 OSSD switches off and OSSD2 and OSSD2. Overload on OSSD1 Check the wiring or exchange the OSSD switches off connected component (reducing the load). Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 86 Actuation duration (2.5 min) Press the reset button. If the OSSD switches off exceeded for reset button or restart is unsuccessful, check the cable short circuited wiring of the reset button. Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 87 Check CS/TH signal sequence OSSD switches off. lence violated on qualified stop (operating mode 1 or 6) Restart interlock locked Unlocking restart interlock OSSD switches off. (OSSD off) before SPG start (CS is high) Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 88 Response time after teach-in Use a device with fewer beams. OSSD remains off. of floating blanking too long (> 99 ms) Teach data not plausible Repeat the teach event. OSSD remains off. Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 89 Check CS signal sequence OSSD remains on. tive field violation One of the top four beams was Remove object from protective OSSD switches off. interrupted in operating field and restart the receiver mode 6 Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 90: Disposing

    Disposing Disposing Ä For disposal observe the applicable national regulations regarding electronic components. Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 91: Service And Support

    Service and support Service and support 24-hour on-call service at: +49 7021 573-0 Service hotline: +49 7021 573-123 E-mail: service.protect@leuze.de Return address for repairs: Servicecenter Leuze electronic GmbH + Co. KG In der Braike 1 D-73277 Owen/Germany Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 92: Technical Data

    -30 … 70 °C Ambient temperature, MLC xxx/V operation 0 … 55 °C Relative humidity (non-condensing) 0 … 95 % Vibration resistance 50 m/s acceleration, 10 - 55 Hz in acc. with IEC 60068-2-6; 0.35 mm amplitude Shock resistance 100 m/s acceleration, 16 ms acc. to IEC 60068-2-6 Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 93 120 kΩ resistor to U . A down- stream safety PLC must not de- tect this as a logi- cal “1”. Load capacity 0.3 µF Load inductivity 2 H Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 94: Dimensions And Weights

    • the length Fig. 15.1: Dimensions of transmitter and receiver Effective protective field height H goes beyond the dimensions of the optics area to the outer borders of the circles labeled with R. Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 95 1950 2016 2.10 MLC…-2100 2100 2166 2.25 MLC…-2250 2250 2316 2.40 MLC…-2400 2400 2466 2.55 MLC…-2550 2550 2616 2.70 MLC…-2700 2700 2766 2.85 MLC…-2850 2850 2916 3.00 MLC…-3000 3000 3066 3.15 Leuze electronic GmbH + Co. KG MLC 530 SPG...

  • Page 96: Dimensioned Drawings: Accessories

    MLC…-14300/901800 2100 2166 2.25 MLC…-14300/902250 2550 2316 59,5 Fig. 15.2: Position of resolution limits; the change in resolution takes place at the marked position. 15.3 Dimensioned drawings: Accessories Fig. 15.3: BT-L mounting bracket Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 97 Technical data 12.1 10.8 Fig. 15.4: BT-Z parallel bracket Ø 6,2 Ø 6,2 Ø Ø Ø Ø Fig. 15.5: Swivel mount BT-2HF Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 98 Technical data 20,5 Ø 5,3 (2x) Ø 5,3 (2x) Fig. 15.6: Swiveling mounting bracket BT-2SB10 Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 99 150 … 3000: from 150 mm to 3000 mm Host/Guest (optional): H: Host MG: Middle Guest G: Guest Interface (optional): /A: AS-i Option: EX2: explosion protection (zones 2 + 22) /V: high Vibration-proof SPG: Smart Process Gating Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 100 68000319 68000419 68000919 2100 68000321 68000421 68000921 2250 68000322 68000422 68000922 2400 68000324 68000424 68000924 2550 68000325 68000425 68000925 2700 68000327 68000427 68000927 2850 68000328 68000428 68000928 3000 68000330 68000430 68000930 Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 101 2 68096002 1800 C500T14300/30180 68096005 1800 C500T14300/90180 68096003 2250 C500T14300/90225 Tab. 16.5: Part numbers of MLC 530 SPG receiver depending on resolution and protective field height Protective field height 30 mm 40 mm 90 mm hhhh [mm] MLC530R30-hhhh-SPG MLC530R40-hhhh-SPG MLC530R90-hhhh-SPG 68009301 68009401 68009302...
  • Page 102 50133861 KD S-M12-5A-P1-100 Connection cable, 5-pin, 10 m long 50137013 KD S-M12-5A-P1-500 Connection cable, 5-pin, 50 m long Connection cables for MLC 530 SPG receiver, shielded 50135128 KD S-M12-8A-P1-050 Connection cable, 8-pin, 5 m long 50135129 KD S-M12-8A-P1-100 Connection cable, 8-pin, 10 m long...
  • Page 103 Mounting bracket for UM60, 2x Protective screens 347070 MLC-PS150 Protective screen, length 148 mm 347071 MLC-PS225 Protective screen, length 223 mm 347072 MLC-PS300 Protective screen, length 298 mm 347073 MLC-PS450 Protective screen, length 448 mm Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 104 External laser alignment aid 520004 LA-78UDC External laser alignment aid for fastening in De- vice Column 520101 AC-ALM-M Alignment aid Test rods 349945 AC-TR14/30 Test rod 14/30 mm 349939 AC-TR20/40 Test rod 20/40 mm Leuze electronic GmbH + Co. KG MLC 530 SPG...
  • Page 105 EU/EC Declaration of Conformity EU/EC Declaration of Conformity Leuze electronic GmbH + Co. KG MLC 530 SPG...

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