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Leuze MLC 530 Translation Of Original Operating Instructions

Safety light curtains
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Translation of original operating instructions
MLC 530
Safety Light Curtains
We reserve the right to make technical changes
EN • 2024-06-07 • 700141

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Summary of Contents for Leuze MLC 530

  • Page 1 Translation of original operating instructions MLC 530 Safety Light Curtains We reserve the right to make technical changes EN • 2024-06-07 • 700141...
  • Page 2 © 2024 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...

  • Page 3: Table Of Contents

    Timing controlled muting ....................... 25 4.8.1 Partial muting........................ 27 4.8.2 Muting restart........................ 27 4.8.3 Muting override........................ 27 Error reset .......................... 28 Applications ...................... 29 Point of operation guarding .................... 29 5.1.1 Blanking.......................... 30 Access guarding ........................ 30 5.2.1 Muting.......................... 30 Danger zone guarding ...................... 31 Leuze electronic GmbH + Co. KG MLC 530...
  • Page 4 Checklist for integrator – to be performed prior to commissioning and following modifica- tions ........................... 76 To be performed periodically by competent persons ............ 78 Periodically by the operator .................... 78 9.3.1 Checklist – periodically by the operator................ 79 Maintenance ...................... 80 Leuze electronic GmbH + Co. KG MLC 530...
  • Page 5 Service and support ................... 87 Technical data ..................... 88 14.1 General specifications...................... 88 14.2 Electromagnetic compatibility .................... 90 14.3 Dimensions, weight, response time .................. 91 14.4 Dimensioned drawings: Accessories .................. 93 Order guide and accessories................ 96 EC Declaration of Conformity................ 104 Leuze electronic GmbH + Co. KG MLC 530...

  • Page 6: About This Document

    Text passages with this symbol provide you with further information. Symbol for action steps Text passages with this symbol instruct you to perform actions. Symbol for action results Text passages with this symbol describe the result of the preceding action. Leuze electronic GmbH + Co. KG MLC 530...

  • 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...

  • Page 8: Safety

    For this reason, a start/ restart interlock or a suitable stepping behind protection in the safety chain is essential in this case. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 9: Foreseeable Misuse

    Servicing Specialist knowledge and experience in the mounting, electrical installation and the operation and mainte- nance of the safety sensor in accordance with the requirements listed above. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 10: 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 11: Device Description

    Automatic ■ ■ ■ start/restart ■ ■ ■ ■ ■ Linkage ■ Blanking ■ ■ Muting ■ ■ ■ Multi-scan ■ ■ ■ Range re- ■ ■ duction Test input ■ Leuze electronic GmbH + Co. KG MLC 530...
  • Page 12 For the correct synchronization and function of the safety sensor, at least one of the two syn- chronization beams must be free during synchronization and operation. Optically active area, housed in yellow Synchronization beams Fig. 3.1: Transmitter-receiver system Leuze electronic GmbH + Co. KG MLC 530...

  • Page 13: Connection Technology

    Operating indicators on the MLC 500 transmitter 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 Leuze electronic GmbH + Co. KG MLC 530...

  • Page 14: Operating Indicators On The Mlc 530 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/muting icon 7‑segment display Fig. 3.4: Indicators on the MLC 530 receiver Leuze electronic GmbH + Co. KG MLC 530...
  • Page 15 Protective field parameter (blank- ing) correctly taught Slowly flashing Muting active Short flashing • Teaching of protective field pa- rameters • or muting restart necessary • or muting override active Leuze electronic GmbH + Co. KG MLC 530...

  • Page 16: Alignment Display

    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...

  • Page 17: Functions

    NOTICE For access guarding, the start/restart interlock function is mandatory. The protective device may only be operated without start/restart interlock in certain exceptional cases and under certain conditions acc. to ISO 12100. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 18: Edm Contactor Monitoring

    After the reset button has been actuated, the safety sensor switches to the ON state. EDM contactor monitoring The MLC 530 safety sensor works in all operating modes without the EDM function. In case you need this function: Ä Use a suitable safety relay.

  • Page 19: Operating Range Selection

    (MultiScan factor) is in several consecutive determined by the receiver to be the scans maximum possible value depending on the number of beams, so that the maximum response time is 99 ms (fixed value). Leuze electronic GmbH + Co. KG MLC 530...

  • Page 20: Linkage

    Impairment of the protective function due to faulty signals Series connection of devices with safety-related switching outputs (OSSDs) may only be cre- ated with the following Leuze electronic safety sensors: SOLID-2/2E, SOLID-4/4E, MLD 300, MLD 500, MLC 300, MLC 500, RS4, RD800 or COMPACTplus.

  • Page 21: Blanking, Reduced Resolution

    • No “shadows” may form in the protective field (see figures below). Activation of the fixed blanking function without beam tolerance Select operating mode 1, 2 or 3 (see chapter 7 "Electrical connection"). Leuze electronic GmbH + Co. KG MLC 530...
  • Page 22 Ä Press the teach key switch again and release it within 0.15 s and 4 s. ð The teach event ends. LED3 illuminates blue if at least one beam area is blanked. All objects have been correctly taught. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 23: Floating Blanking

    Ä Add the scanning time needed for the largest beam area with floating blanking to the re- sponse time (see chapter 6.1.5 "Resolution and safety distance for fixed and floating blank- ing as well as reduced resolution"). Leuze electronic GmbH + Co. KG MLC 530...

  • Page 24: Controlling Blanking

    (see figure below). WARNING Reduced resolution may result in serious injury! Ä Take into consideration the reduced resolution when calculating the safety distance (see chapter 6.1.1 "Calculation of safety distance S"). Leuze electronic GmbH + Co. KG MLC 530...

  • Page 25: Timing Controlled Muting

    Danger zone Receiver Transmitter Muting sensor 1 Muting sensor 2 Fig. 4.5: Arrangements of muting sensors for timing controlled 2-sensor muting in an exit application Leuze electronic GmbH + Co. KG MLC 530...
  • Page 26 • The signals of the two muting sensors are simultaneously inactive for a duration of more than 0.3 s. • The signal of a muting sensor is inactive for a duration of more than 4 s. • The muting time limit (10 min muting timeout) has elapsed. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 27: Partial Muting

    Ä If the safety sensor responds with an error message, perform an error reset (see chapter 4.9 "Error re- set"). Ä Press and release the reset button within 0.15 to 4 s. Ä Press the reset button a second time and keep it pressed down. ð The safety sensor switches on. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 28: Error Reset

    4 and 6 Activated Acknowledging with the reset button or alterna- tively switching the volt- age supply on and off Leuze electronic GmbH + Co. KG MLC 530...

  • Page 29: Applications

    Point of operation guarding protects reaching into the danger zone, e.g. for cartoners or filling systems Fig. 5.2: Point of operation guarding protects reaching into the danger zone, e.g. for a pick & place robot applica- tion Leuze electronic GmbH + Co. KG MLC 530...

  • Page 30: Blanking

    Muting Access guarding can be operated with a bridging function for material transport through the protective field. In this case, the integrated muting function is used (see chapter 4.8 "Timing controlled muting"). Leuze electronic GmbH + Co. KG MLC 530...

  • Page 31: Danger Zone Guarding

    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...

  • Page 32: Mounting

    In accordance with ISO 13855, with a vertical protective field, it is possible to pass under beams over 300 mm or pass over beams under 900 mm. If the protective field is horizontal, climbing on the safety sensor must be prevented through suitable installation or with covers and the like. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 33: Calculation Of Safety Distance S

    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...
  • Page 34 Additional distance for access guarding with approach reaction with resolutions of 14 to 40 mm, d = resolution of protective device C  = 8 × (d - 14) mm. Additional distance for access guard- ing for resolutions > 40 mm: C  = 850 mm (standard value for arm length) Leuze electronic GmbH + Co. KG MLC 530...
  • Page 35 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...
  • Page 36 Safety sensor Danger zone Floor Height of the point of operation Height of the upper beam of the safety sensor Fig. 6.1: Additional distance to the safety distance when reaching over and under Leuze electronic GmbH + Co. KG MLC 530...
  • Page 37 [mm] [mm] 2600 2500 2400 2200 2000 1800 1100 1100 1600 1150 1150 1100 1000 1400 1200 1200 1100 1000 1200 1200 1200 1100 1000 1000 1200 1150 1050 1150 1050 1050 Leuze electronic GmbH + Co. KG MLC 530...
  • Page 38 700 mm (see table "Reaching over the vertical protective field of electro-sensitive protective equipment (excerpt from ISO 13855)"). Ä Calculate safety distance S using the formula acc. to ISO 13855. [mm/s] 2000 (0.012 + 0.040 + 0.130) [mm] [mm] 2000 mm/s × 0.182 s + 700 mm [mm] 1064 Leuze electronic GmbH + Co. KG MLC 530...

  • Page 39: Calculation Of Safety Distance S For Parallel Approach To The Protective Field

    The receiver with 40 mm of resolution and 1350 mm protective field height has a response time of 13 ms, an additional relay interface a response time of 10 ms. Ä Calculate safety distance S using the formula acc. to ISO 13855. [mm/s] 1600 (0.140 + 0.013 + 0.010) [mm] 1200 [mm] 1600 mm/s × 0.163 s + 1200 mm [mm] 1461 Leuze electronic GmbH + Co. KG MLC 530...
  • Page 40 Reduced resolution: The effective resolution for 1-beam reduction and 40 mm resolution is 64 mm and is therefore suitable at an installation height of 300 mm (up to 70 mm resolution). The falling pieces must be small enough that they interrupt no more than one beam. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 41: Minimum Distance To Reflective Surfaces

    4° 4° Required minimum distance to reflective surfaces [mm] Protective field width [m] Reflective surface Fig. 6.2: Minimum distance to reflective surfaces depending on protective field width Leuze electronic GmbH + Co. KG MLC 530...

  • Page 42: Resolution And Safety Distance For Fixed And Floating Blanking As Well As Reduced Resolution

    850 mm 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...
  • Page 43 0 - 6 mm 0 - 12 mm 20 mm 0 - 5 mm 0 - 18 mm 30 mm 0 - 20 mm 0 - 28 mm 40 mm 0 - 12 mm 0 - 35 mm 90 mm 0 - 62 mm 0 - 85 mm Ä Add the scanning time needed for the largest beam area with floating blanking to the response time. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 44: Preventing Mutual Interference Between Adjacent Devices

    Ä Mount adjacent devices with a shield between them or install a dividing wall to prevent mutual interfer- ence. Ä Mount the adjacent devices opposite from one another to prevent mutual interference. Receiver 1 Transmitter 1 Transmitter 2 Receiver 2 Fig. 6.5: Opposite mounting Leuze electronic GmbH + Co. KG MLC 530...

  • Page 45: Arrangement Of The Muting Sensors

    The signals can be generated by e.g. optoelectronic sensors from Leuze electronic. Any transducers which output a +24 VDC switching signal when detecting the permitted transport material can still be used as muting sensors: •...

  • Page 46: Minimum Distance For Optoelectronic Muting Sensors

    Mounting NOTICE For the connection of the muting sensors, Leuze recommends the use of the AC-SCM8U sensor connection module. If the sensor connection module is not used, it must be ensured that muting cannot be triggered by a ground fault or the interruption of the signal lines or power supply of the muting sensors.
  • Page 47 Minimum distance between the protective field of the AOPD and the detection points of the mut- ing-sensor light beams [m/s] Speed of the material Distance d should be as small as practical [mm] Distance from the intersection point of the muting-sensor light beams to the protective-field plane < 200 mm Leuze electronic GmbH + Co. KG MLC 530...
  • Page 48 Ä Mount the muting sensors so that the intersection point of their light beams is at the same height or higher than the lowest light beam of the safety sensor. ð This prevents—or hinders—manipulation with the feet since the protective field is interrupted before the muting-sensor light beam. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 49: Arrangement Of The Muting Sensors For Timing Controlled 2-Sensor Muting Especially For Exit Applications

    The muting function remains active up to 4 s after MS1 becomes free. This arrangement is also impossible to manipulate with safety light curtains up to a resolution of 40 mm from outside of the danger zone, as the protective field is interrupted before MS1 is reached. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 50: Mounting The Safety Sensor

    Can the entire danger zone be seen from the installation site of the reset button? Can reflection caused by the installation site be ruled out? 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...

  • Page 51: Definition Of Directions Of Movement

    • Turning by 360° around the longitudinal axis by fixing on the screw-on cone • Pitching in the direction of the protective field with horizontal threaded holes in the wall mounting • Tilting around main axis Leuze electronic GmbH + Co. KG MLC 530...

  • Page 52: Fastening Via Bt-2Sb10 Swiveling Mounting Brackets

    (see chapter 15 "Order guide and accessories"). For increased mechanical requirements, these are also available as vibration-damped version (BT-2SB10-S). Depending on the installation situation, envi- ronmental conditions and protective field length (> 1200 mm), other mounting brackets may also be neces- sary. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 53: 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 9.3.1 "Checklist – periodically by the operator"). Leuze electronic GmbH + Co. KG MLC 530...

  • Page 54: Mounting Accessories

    M4 screws, the AC-SCM8-BT also contains a mounting plate which opens up further mounting options: Fig. 6.15: Mounting options of the AC-SCM8 Fig. 6.16: Mounting options of the AC-SCM8-BT Leuze electronic GmbH + Co. KG MLC 530...

  • Page 55: Deflecting Mirror For Multiple-Side Guarding

    Deflecting mirror for multiple-side guarding For multiple-side guarding, redirecting the protective field with one or two deflecting mirrors is economical. To do this, Leuze electronic supplies: • The UM60 deflecting mirror for mounting on the machine in various lengths (see chapter 15 "Order guide and accessories")

  • Page 56: Mlc-Ps Protective Screen

    10%. Mounting bracket sets with 2 and 3 clamp brackets are available. NOTICE If the length equals 1200 mm or higher, 3 clamp brackets are recommended. Fig. 6.19: MLC-PS protective screen fastened with MLC-2PSF clamp bracket Leuze electronic GmbH + Co. KG MLC 530...

  • Page 57: 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...

  • Page 58: 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...
  • Page 59 + 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. 7.2: Connection examples transmitter Leuze electronic GmbH + Co. KG MLC 530...

  • Page 60: Mlc 530 Receiver

    Electrical connection 7.1.2 MLC 530 receiver MLC 530 receivers are equipped with a 8-pin M12 connector. MLCx30R Fig. 7.3: Pin assignment and connection diagram receiver Tab. 7.2: Pin assignment receiver Core color (CB-M12-xx000E-5GF) Receiver White IO1 - control-input function selection, control-input reset button, signal output...

  • Page 61: Operating Mode 1

    Electrical connection Tab. 7.3: AC-SCM8 sensor connection module pin assignment Connection to the MLC 530 X1 24 V 24 V 24 V 24 V VIN1 VIN1 0 V 0 V 0 V 0 V OSSD1 OSSD1 OSSD2 OSSD2 VIN2 VIN2 Shield on con- nector housing (X1) and cou- pling ring (X5) The inner wiring of the sensor connection module is specially adapted to the operating modes of the re- ceivers.
  • Page 62 OSSD2 OSSD2 OSSD2 OSSD2 + 24V + 24V MLC530R MLC500T Fig. 7.4: Operating mode 1: circuit diagram example of linkage with position switch for monitoring for the presence of machine parts with fixed blanking Leuze electronic GmbH + Co. KG MLC 530...
  • Page 63 Operating mode 1: connection example with position switch for monitoring a blanked object to prevent manipulation MLC 500 transmitter MLC 530 receiver AC-SCM8 sensor connection module S200 safety position switch Connection cable, 5-pin Connection cable, 8-pin Connection or interconnection cable, 5-pin MSI 100 safety relay Leuze electronic GmbH + Co. KG MLC 530...

  • Page 64: Operating Mode 2

    Bridge to pin 1 (IO1) 0 V 8 (IN8) OSSD2 from the upstream Normal closed contact between device electronic safety-related switching outputs and device 0 V 0 V 0 V +24 V +24 V +24 V OSSD1 OSSD1 OSSD1 OSSD2 OSSD2 OSSD2 Leuze electronic GmbH + Co. KG MLC 530...
  • Page 65 Connection cable, 8-pin MSI-SR4 safety relay with RES and EDM Interconnection cable, 5-pin Fig. 7.8: Operating mode 2: connection example with MLC 530 and ???? for combining point of operation and ac- cess guarding Leuze electronic GmbH + Co. KG MLC 530...

  • Page 66: Operating Mode 3

    8 (IN8) 0 V +24 V Normal closed con- tact between pro- tective field inputs and device 0 V 0 V 0 V 0 V +24 V +24 V +24 V +24 V OSSD1 OSSD1 OSSD1 OSSD1 OSSD2 OSSD2 OSSD2 OSSD2 Leuze electronic GmbH + Co. KG MLC 530...
  • Page 67 MLC 500 transmitter MLC 530 receiver AC-SCM8 sensor connection module S300 position switch + changeover switch Connection cable, 5-pin Connection cable, 8-pin MSI-SR4 safety relay with RES and EDM Connection or interconnection cable, 5-pin Leuze electronic GmbH + Co. KG MLC 530...
  • Page 68 +24 V +24 V +24 V 0 V 0 V 0 V OSSD1 OSSD1 OSSD1 OSSD2 OSSD2 OSSD2 + 24V + 24V -MS2 -MS1 MLC530R MLC500T Fig. 7.11: Operating mode 4: circuit diagram example for timing controlled 2-sensor muting Leuze electronic GmbH + Co. KG MLC 530...
  • Page 69 For the muting sensors and the safety sensor, a shared power supply unit is to be used. The connection lines of the muting sensors must be laid separated from one another and pro- tected. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 70: Operating Mode 6

    +24 V +24 V 0 V 0 V 0 V OSSD1 OSSD1 OSSD1 OSSD2 OSSD2 OSSD2 + 24V + 24V -MS2 -MS1 MLC530R MLC500T Fig. 7.13: Operating mode 6: circuit diagram example with timing controlled 2-sensor muting (partial) Leuze electronic GmbH + Co. KG MLC 530...
  • Page 71 For the muting sensors and the safety sensor, a shared power supply unit is to be used. The connection lines of the muting sensors must be laid separated from one another and pro- tected. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 72: 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"). Ä Loosen the screws on the mounting brackets or device columns. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 73: Aligning Of Deflecting Mirrors With The Laser Alignment Aid

    ð The protective field is free. Depending on the operating mode, the green or the red and the yellow LED on the receiver must be illuminated. With automatic restart the OSSDs switch on. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 74: Unlocking Start/Restart Interlock, Muting-Restart

    • Accepting by actuating and releasing the teach key switch after 60 s or less. A new teach event deletes the previously taught state. If the “Fixed blanking” function is to be deselected, this can be done by teaching a free protective field. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 75: Teaching Of Floating Blanking Areas

    Start teaching - activate and release key switch Moving of all moving objects to be blanked within 60 s in their blanking areas End teaching - activate and release key switch Fig. 8.1: Teaching floating and fixed blanking areas Leuze electronic GmbH + Co. KG MLC 530...

  • Page 76: Testing

    Is the safety sensor operated acc. to the specific environmental condi- tions that are to be maintained (see chapter 14 "Technical data")? Is the safety sensor correctly aligned and are all fastening screws and connectors secure? Leuze electronic GmbH + Co. KG MLC 530...
  • Page 77 Are settings that could result in an unsafe state possible only by means of key, password or tool? Are there incentives that pose stimulus for tampering? Were the operators instructed prior to starting work? Leuze electronic GmbH + Co. KG MLC 530...

  • Page 78: To Be Performed Periodically By Competent Persons

    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...

  • Page 79: 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...

  • Page 80: 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...

  • Page 81: 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 (Service and support).

  • Page 82: Error Messages 7-Segment Display

    Error Cause/description Measures Sensor behavior F[No. 0-255] Internal error In the event of an unsuccessful restart, contact customer service. Very high overvoltage (± 40 V) Supply the device with the correct voltage. Leuze electronic GmbH + Co. KG MLC 530...
  • Page 83 Interference detected on plug Check the wiring. Automatic reset pin 4. Signal output: output sig- nal is not equal to the signal in- put read-back value: it switches simultaneously with the other signal line. Leuze electronic GmbH + Co. KG MLC 530...
  • Page 84 Only one muting signal active Check the mounting of the muting OSSD switches off. in case of protective field viola- sensors and the activation of the tion, the second muting signal muting signals. is missing Leuze electronic GmbH + Co. KG MLC 530...

  • Page 85: Muting Indicator

    Ä Check whether the muting timeout has been exceeded or the concurrency condition (both muting sig- nals within 4 s) has not been met. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 86: Disposing

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

  • Page 87: Service And Support

    Service and support Service and support Service hotline You can find the contact information for the hotline in your country on our website www.leuze.com under Contact & Support. Repair service and returns Defective devices are repaired in our service centers competently and quickly. We offer you an extensive service packet to keep any system downtimes to a minimum.

  • Page 88: Technical Data

    Degree of protection IP 65 Ambient temperature, operation -30 … +55 °C Ambient temperature, storage -30 … 70 °C Ambient temperature, MLCxxx/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 Leuze electronic GmbH + Co. KG MLC 530...
  • Page 89 Safety-related PNP transistor outputs (short- Minimum Typical Maximum circuit monitored, cross-circuit monitored) Class (source) Switching voltage high active (U  - 1.5V) 18 V 22.5 V 27 V Switching voltage low 0 V +2.5 V Switching current 300 mA 380 mA Leuze electronic GmbH + Co. KG MLC 530...

  • Page 90: Electromagnetic Compatibility

    • Class A: Industrial systems in which the 230 V supply network is provided by means of a separate transformer (from medium voltage). • Class B: Commercial, industrial locations and residential areas that are supplied by the public 230 V network (low-voltage network) or are connected to it. Leuze electronic GmbH + Co. KG MLC 530...

  • Page 91: Dimensions, Weight, Response Time

    Rated protective field height, this corresponds to the length of the yellow housing part (see tables below) Total height Additional dimensions for calculation of the effective protective field height (see table below) Value for calculating the effective protective field height (see tables below) Leuze electronic GmbH + Co. KG MLC 530...
  • Page 92 The specified response times apply for operating modes 1, 2 and 3 (function group FG2). In op- erating mode 3 (function group FG1, DoubleScan), the specified value doubles! In operating modes 4 and 6 (MaxiScan), the response time always has a fixed value: 100 ms! Leuze electronic GmbH + Co. KG MLC 530...

  • Page 93: Dimensioned Drawings: Accessories

    Technical data 14.4 Dimensioned drawings: Accessories Fig. 14.2: BT-L mounting bracket 12.1 10.8 Fig. 14.3: BT-Z parallel bracket Ø 6,2 Ø 6,2 Ø Ø Ø Ø Fig. 14.4: Swivel mount BT-2HF Leuze electronic GmbH + Co. KG MLC 530...
  • Page 94 Technical data Fig. 14.5: BT-P40 clamp bracket for mounting in UDC device columns 20,5 Ø 5,3 (2x) Ø 5,3 (2x) Fig. 14.6: Swiveling mounting bracket BT-2SB10 Leuze electronic GmbH + Co. KG MLC 530...
  • Page 95 Technical data Fig. 14.7: Sensor connection module AC-SCM8 Leuze electronic GmbH + Co. KG MLC 530...

  • Page 96: Order Guide And Accessories

    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...
  • Page 97 68000422 68000922 2400 68000124 68000224 68000324 68000424 68000924 2550 68000125 68000225 68000325 68000425 68000925 2700 68000127 68000227 68000327 68000427 68000927 2850 68000128 68000228 68000328 68000428 68000928 3000 68000130 68000230 68000330 68000430 68000930 Leuze electronic GmbH + Co. KG MLC 530...
  • Page 98 Order guide and accessories Tab. 15.4: Part numbers of MLC 530 receiver depending on resolution and protective field height Protective field 14 mm 20 mm 30 mm 40 mm 90 mm height hhhh MLC530R14- MLC530R20- MLC530R30- MLC530R40- MLC530R90- [mm] hhhh hhhh hhhh hhhh hhhh 68003101 68003201...
  • Page 99 Order guide and accessories Tab. 15.6: Part numbers of MLC 530/V receiver depending on resolution and protective field height Protective field height hhhh 14 mm 30 mm [mm] MLC530R14-hhhh MLC530R30-hhhh 68003133 68003333 68003134 68003334 68003136 68003336 68003137 68003337 68003139 68003339 Tab. 15.7: Accessories Part no.
  • Page 100 Deflecting mirror, mirror length 810 mm 529609 UM60-900 Deflecting mirror, mirror length 960 mm 529610 UM60-1050 Deflecting mirror, mirror length 1110 mm 529612 UM60-1200 Deflecting mirror, mirror length 1260 mm 529613 UM60-1350 Deflecting mirror, mirror length 1410 mm Leuze electronic GmbH + Co. KG MLC 530...
  • Page 101 PRK25C series, retro-reflective photoelectric sensors with polarization filter 50134272 PRK25C.A/4P Polarized retro-reflective photoelectric sensor, red light, autocollimation 50134274 PRK25C.A/4P-200-M12 Polarized retro-reflective photoelectric sensor, red light, autocollimation, M12 connector, 4-pin, cable length 200 mm Leuze electronic GmbH + Co. KG MLC 530...
  • Page 102 50134279 PRK25C/4P-M12 Polarized retro-reflective photoelectric sensor, red light, M12 connector, 4-pin 50134281 PRK25C/4P-M8 Polarized retro-reflective photoelectric sensor, red light, M8 connector, 4-pin 50139663 PRK25CL1.1/4P Polarized retro-reflective photoelectric sensor, red light, laser class 1 Leuze electronic GmbH + Co. KG MLC 530...
  • Page 103 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...

  • Page 104: Ec Declaration Of Conformity

    European standards and directives. NOTICE You can download the EC Declaration of Conformity from the Leuze website. Ä Call up the Leuze website: www.leuze.com. Ä Enter the type designation or part number of the device as the search term. The part num- ber can be found on the name plate of the device under the "Part No."...

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