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Summary of Contents for Leuze MLC 100 Series
- Page 1 Original operating instructions MLC 100 Safety Light Curtains We reserve the right to make technical changes EN • 2022-02-15 • 50127504...
- 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 100...
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Page 3: Table Of Contents
Circuit diagram examples ..................... 31 7.2.1 MLC 100 circuit diagram example .................. 31 Starting up the device .................. 32 Switching on ......................... 32 Aligning the sensor ....................... 32 Aligning of deflecting mirrors with the laser alignment aid ............ 33 Leuze electronic GmbH + Co. KG MLC 100... - Page 4 Service and support ................... 41 Technical data ..................... 42 14.1 General specifications ...................... 42 14.2 Dimensions, weight, response time .................. 44 14.3 Dimensioned drawings: Accessories .................. 45 Order guide and accessories................ 48 EU/EC Declaration of Conformity.............. 51 Leuze electronic GmbH + Co. KG MLC 100...
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Page 5: About This Document
MTTF Mean time to dangerous failure (Mean Time To dangerous Failure) OSSD Safety-related switching output (Output Signal Switching Device) Probability of a dangerous failure per hour (Probability of dangerous Failure per Hour) Leuze electronic GmbH + Co. KG MLC 100... -
Page 6: 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 100... -
Page 7: Safety
For this reason, a start/ restart interlock or a suitable stepping behind protection in the safety chain is essential in this case. • Maximum permissible approach speeds (see ISO 13855): • 1.6 m/s for access guarding Leuze electronic GmbH + Co. KG MLC 100... -
Page 8: Foreseeable Misuse
Leuze electronic GmbH + Co. KG MLC 100... - Page 9 • 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 100...
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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
Device description Device description The safety sensors from the MLC 100 series are active opto-electronic protective devices. They satisfy the following standards: MLC 100 Type in accordance with EN IEC 61496 Category in accordance with EN ISO 13849 Performance Level (PL) in accordance with EN ISO 13849-1:2015 Safety Integrity Level (SIL) in accordance with IEC 61508 and SILCL in ac-... -
Page 12: Connection Technology
The transmitter and receiver feature an M12 connector as an interface to the machine control with the fol- lowing number of pins: Device model Device type Device plug MLC 100 Transmitter 5-pin MLC 110 Receiver 5-pin Leuze electronic GmbH + Co. KG MLC 100... -
Page 13: Display Elements
Green Green Normal operation on channel 2 Green, flashing Reduced operating range on channel 1 Green, flashing Green, flashing Reduced operating range on channel 2 Device error Green Red, flashing External test (MLC 502 only) Leuze electronic GmbH + Co. KG MLC 100... -
Page 14: Operating Indicators On The Mlc 110 Receiver
OSSD off Red, flashing slowly (approx. 1 Hz) External error Red, flashing fast (approx. 10 Hz) Internal error Green, flashing slowly (ap- OSSD on, weak signal prox. 1 Hz) Green OSSD on Transmission channel C1 OSSD off, transmission channel Leuze electronic GmbH + Co. KG MLC 100... -
Page 15: Functions
Ä Note that the distance to reflective surfaces must always be selected so that no reflection bypass can occur even at maximum transmitting power (see chapter 6.1.3 "Minimum dis- tance to reflective surfaces"). Leuze electronic GmbH + Co. KG MLC 100... -
Page 16: 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 100... -
Page 17: Mounting
Total time of the delay, sum from (t + t + t Response time of the protective device Response time of the safety relay Stopping time of the machine [mm] Additional distance to the safety distance Leuze electronic GmbH + Co. KG MLC 100... -
Page 18: Calculation Of Safety Distance If Protective Fields Act Orthogonally To The Approach Direction
500 mm; this is why the calculation may not be repeated with 1600 mm/s. NOTICE Implement the stepping behind protection required here, e.g., through the use of an additional safety sensor for area protection. Leuze electronic GmbH + Co. KG MLC 100... - Page 19 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 100...
- Page 20 Ä Now calculate safety distance S using the general formula acc. to ISO 13855 (see chapter 6.1.1 "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 100...
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Page 21: Minimum Distance To Reflective Surfaces
Minimum distance to reflective surfaces as a function of the protective field width Tab. 6.2: Formula for calculating the minimum distance to reflective surfaces Distance (b) transmitter-receiver Calculation of the minimum distance (a) to reflective sur- faces b ≤ 3 m a [mm] = 131 b > 3 m a [mm] = tan(2.5°) × 1000 × b [m] = 43.66 × b [m] Leuze electronic GmbH + Co. KG MLC 100... -
Page 22: 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 Mounting the safety sensor Proceed as follows: Leuze electronic GmbH + Co. KG MLC 100... -
Page 23: Suitable Mounting Locations
If you answer one of the items on the checklist above with no, the mounting location must be changed. 6.2.2 Definition of directions of movement The following terms for alignment movements of the safety sensor around one of its axes are used: Leuze electronic GmbH + Co. KG MLC 100... -
Page 24: Fastening Via Bt-Nc60 Sliding Blocks
The wall mounting through threaded holes makes it possible to lift the mounting bracket after the screws have been loosened over the connection cap. Therefore, the mounting brackets do not need to be removed from the wall when exchanging the device. Loosening the screws is sufficient. Leuze electronic GmbH + Co. KG MLC 100... -
Page 25: 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 100... -
Page 26: One-Sided Mounting On The Machine Table
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 27 Arrangement with deflecting mirror for 2-side guarding of a point of operation Transmitter Receiver UMC deflecting mirror columns Fig. 6.12: Arrangement with deflecting mirror columns for two-side guarding of a point of operation Leuze electronic GmbH + Co. KG MLC 100...
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Page 28: Electrical Connection
For special EMC stress, the use of shielded cables is recommended. Pin assignment transmitter and receiver 7.1.1 MLC 100 transmitter MLC 100 transmitters are equipped with a 5-pin M12 connector. MLCx00T Fig. 7.1: Pin assignment and connection diagram transmitter Leuze electronic GmbH + Co. KG MLC 100... - Page 29 + 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 100...
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Page 30: Mlc 110 Receiver
Wired in device interior on the housing FE - functional earth, shield The polarity of the supply voltage selects the transmission channel of the receiver: • VIN1 = +24 V, VIN2 = 0 V: transmission channel C1 • VIN1 = 0 V, VIN2 = +24 V: transmission channel C2 Leuze electronic GmbH + Co. KG MLC 100... -
Page 31: Circuit Diagram Examples
Electrical connection Circuit diagram examples 7.2.1 MLC 100 circuit diagram example +24V +24V MLCx00T MLCx10R MSI-SR4B Fig. 7.4: Circuit diagram example with downstream MSI-SR4B safety relay Leuze electronic GmbH + Co. KG MLC 100... -
Page 32: Starting Up The Device
Alignment can be performed with a clear protective field by observing the LEDs (see chapter 3.3 "Display elements"). Ä Loosen the screws on the mounting brackets or device columns. NOTICE Loosen the screws only enough so that the devices can just be moved. Leuze electronic GmbH + Co. KG MLC 100... -
Page 33: Aligning Of Deflecting Mirrors With The Laser Alignment Aid
Ä Repeat the process in reverse after setting the laser alignment aid above and below on the receiver. The laser beam must strike the transmitter in both cases if the receiver has been correctly aligned. Ä Remove the laser alignment aid from the safety sensor. Leuze electronic GmbH + Co. KG MLC 100... -
Page 34: 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 100... - Page 35 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 100...
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Page 36: 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 100... -
Page 37: 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 100... -
Page 38: 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 100... -
Page 39: 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 13 "Service and support"). -
Page 40: Disposing
Disposing Disposing Ä For disposal observe the applicable national regulations regarding electronic components. Leuze electronic GmbH + Co. KG MLC 100... -
Page 41: 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 100... -
Page 42: Technical Data
< 400 m/s²) • Excitation axes: all three spatial axes • Frequency change: 1 oct/min • Number of frequency sweeps: 100 sweeps per axis (50 cycles) Shock resistance 100 m/s acceleration, 16 ms acc. to IEC 60068-2-6 Leuze electronic GmbH + Co. KG MLC 100... - Page 43 Permissible wire cross section 0.25 mm Permissible cable length between receiver 100 m and load Test pulse width 60 μs 340 μs Test pulse distance (5 ms) 60 ms OSSD restart delay time after beam inter- 100 ms ruption Leuze electronic GmbH + Co. KG MLC 100...
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Page 44: Dimensions, Weight, Response Time
Rated protective field height, this corresponds to the length of the yellow housing part (see ta- bles below) [mm] Total height [mm] Additional dimensions for calculation of the effective protective field height (see tables below) [mm] Value for calculating the effective protective field height (see tables below) Leuze electronic GmbH + Co. KG MLC 100... -
Page 45: Dimensioned Drawings: Accessories
1050 1116 1.20 MLC…-1200 1200 1266 1.35 Tab. 14.8: Additional dimensions for calculating the effective protective field height R = resolution 14 mm 6 mm 6 mm 30 mm 19 mm 9 mm 14.3 Dimensioned drawings: Accessories Fig. 14.2: BT-L mounting bracket Leuze electronic GmbH + Co. KG MLC 100... - Page 46 Technical data 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 Fig. 14.5: BT-P40 clamp bracket for mounting in UDC device columns Leuze electronic GmbH + Co. KG MLC 100...
- Page 47 Technical data 20,5 Ø 5,3 (2x) Ø 5,3 (2x) Fig. 14.6: Swiveling mounting bracket BT-2SB10 Leuze electronic GmbH + Co. KG MLC 100...
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Page 48: Order Guide And Accessories
Part numbers of MLC 100 transmitter/receiver set depending on resolution and protective field height Protective field height 14 mm 30 mm hhhh [mm] MLC100-14-hhhh MLC100-30-hhhh 68052103 68052303 68052104 68052304 68052106 68052306 68052107 68052307 68052109 68052309 1050 68052110 68052310 1200 68052112 68052312 Leuze electronic GmbH + Co. KG MLC 100... - Page 49 ± 8°, vibration damped, 2x 425740 BT-10NC60 Sliding block with M6 thread, 10 x 425741 BT-10NC64 Sliding block with M6 and M4 thread, 10 x 425742 BT-10NC65 Sliding block with M6 and M5 thread, 10 x Leuze electronic GmbH + Co. KG MLC 100...
- Page 50 Laser alignment aids 560020 LA-78U 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 Leuze electronic GmbH + Co. KG MLC 100...
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Page 51: Eu/Ec Declaration Of Conformity
EU/EC Declaration of Conformity EU/EC Declaration of Conformity Leuze electronic GmbH + Co. KG MLC 100...
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