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Summary of Contents for Leuze electronic MLC 310
- Page 1 MLC 310 Safety Light Curtains S A F E I M P L E M E N T A T I O N A N D O P E R A T I O N O r i g i n a l o p e r a t i n g i n s t r u c t i o n s...
- Page 2 © 2019 Leuze electronic GmbH & Co. KG In der Braike 1 D-73277 Owen / Germany Phone: +49 7021 573-0 Fax: +49 7021 573-199 http://www.leuze.com info@leuze.com Leuze electronic MLC 310...
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Page 3: Table Of Contents
Deflecting mirror for multiple-side guarding............... 29 6.3.2 MLC-PS protective screen .................... 31 Electrical connection.................. 32 Pin assignment transmitter and receiver ................ 32 7.1.1 MLC 300 transmitter ...................... 32 7.1.2 MLC 310 receiver ...................... 34 Circuit diagram examples ..................... 35 7.2.1 MLC 310 circuit diagram example .................. 35 Leuze electronic MLC 310... - Page 4 11.2 Operating indicators of the LEDs .................. 43 Disposing...................... 44 Service and support ................... 45 Technical data ..................... 46 14.1 General specifications ...................... 46 14.2 Dimensions, weight, response time .................. 48 14.3 Dimensioned drawings: Accessories .................. 49 Order guide and accessories................ 52 EU/EC Declaration of Conformity.............. 57 Leuze electronic MLC 310...
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Page 5: About This Document
Brief description of the safety sensor, consisting of transmitter and receiver 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 MLC 310... -
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 MLC 310... -
Page 7: 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 MLC 310... -
Page 8: Foreseeable Misuse
• 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 MLC 310... -
Page 9: 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 10: Device Description
The series is characterized by two different receiver classes (Basic, Standard) with certain features and properties (see table below). Tab. 3.1: Device models in the series with specific features and functions Transmitter Receiver Basic Standard MLC 300 MLC 310 MLC 320 MLC 301 MLC 311 OSSDs (2x) ■ ■ Transmission channel changeover ■... -
Page 11: 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 300 Transmitter 5-pin MLC 310 Basic receiver 5-pin Leuze electronic MLC 310... -
Page 12: Display Elements
Meaning of the LEDs on the transmitter Color State Description Green/red Device switched off Device error Green Normal operation Green Flashing For 10 s after switch-on: reduced range selected by the wiring of pin 4 Transmission channel C1 Transmission channel C2 Leuze electronic MLC 310... -
Page 13: Operating Indicators On The Mlc 310 Receiver
Located on the receiver are two LEDs for displaying the operating state: LED1, red/green LED2, red OSSD icon Transmission channel icon C2 Fig. 3.4: Indicators on the MLC 310 receiver Tab. 3.3: Meaning of the LEDs on the receiver Color State Description... -
Page 14: Functions
Ä Do not use this configuration option for safety purposes. 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 6.1.4 "Minimum dis- tance to reflective surfaces"). Leuze electronic MLC 310... -
Page 15: Applications
(see chapter 6.1.1 "Calculation of safety distance S"). Fig. 5.1: 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 MLC 310... -
Page 16: Access Guarding
Depending on the mounting height, resolutions of 40 or 90 mm are used (Link destination: order guide and accessories). Fig. 5.4: Danger zone guarding on a robot Leuze electronic MLC 310... -
Page 17: Mounting
Approach speed 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 MLC 310... -
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 or cascaded safety sensor for area protection. Leuze electronic MLC 310... - Page 19 1600 mm/s × 0.264 s + 208 mm [mm] 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 MLC 310...
- Page 20 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 MLC 310...
- Page 21 ð In this line, go to the left column: here you will find the permitted height of the point of operation. 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 MLC 310...
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Page 22: Calculation Of Safety Distance S For Parallel Approach To The Protective Field
Stopping time of the machine [mm] Additional distance for danger zone guarding with approach reaction H = height of the protec- tive field, H = minimum installation height permitted, but no smaller than 0, d = resolution of the protective device C = 1200 mm - 0.4 × H; H = 15 × (d - 50) Leuze electronic MLC 310... - Page 23 This is why the calculation is repeated with a protective field height of 1500 mm. The response time is now 14 ms. Ä Re-calculate safety distance S using the formula acc. to ISO 13855. [mm/s] 1600 (0.140 + 0.014 + 0.010) [mm] 1200 [mm] 1600 mm/s × 0.164 s + 1200 mm [mm] 1463 A suitable safety sensor has been found; its protective field height is 1500 mm. Leuze electronic MLC 310...
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Page 24: 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 MLC 310... -
Page 25: 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. Fig. 6.5: Opposite mounting Receiver 1 Transmitter 1 Transmitter 2 Receiver 2 Leuze electronic MLC 310... -
Page 26: 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 MLC 310... -
Page 27: 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. 6.7: Mounting via sliding blocks BT-NC60 Leuze electronic MLC 310... -
Page 28: 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 15 "Order guide and accessories"). Fig. 6.8: Mounting via swivel mount BT-2HF 6.2.5 Fastening via BT-2SB10 swiveling mounting brackets Fig. 6.9: Mounting via swiveling mounting brackets BT-2SB10 Leuze electronic MLC 310... -
Page 29: 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 30 UM60 deflecting mirrors Fig. 6.11: 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 MLC 310...
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Page 31: 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. 6.13: MLC-PS protective screen fastened with MLC-2PSF clamp bracket Leuze electronic MLC 310... -
Page 32: Electrical Connection
For special EMC stress, the use of shielded cables is recommended. Pin assignment transmitter and receiver 7.1.1 MLC 300 transmitter MLC 300 transmitters are equipped with a 5-pin M12 connector. MLCx00T Fig. 7.1: Pin assignment and connection diagram transmitter Leuze electronic MLC 310... - Page 33 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 + 24V + 24V + 24V + 24V MLCx00T MLCx00T + 24V + 24V + 24V + 24V MLCx00T MLCx00T Fig. 7.2: Connection examples transmitter Leuze electronic MLC 310...
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Page 34: Mlc 310 Receiver
Electrical connection 7.1.2 MLC 310 receiver MLC 310 receivers are equipped with a 5-pin M12 connector. MLCx10R Fig. 7.3: Pin assignment and connection diagram receiver Tab. 7.2: Pin assignment receiver Core color (CB-M12-xx000E-5GF) Receiver Brown VIN1 - supply voltage White OSSD1 - safety-related switching... -
Page 35: Circuit Diagram Examples
Electrical connection Circuit diagram examples 7.2.1 MLC 310 circuit diagram example +24V +24V MLCx00T MLCx10R MSI-SR4B Fig. 7.4: Circuit diagram example with downstream MSI-SR4B safety relay Leuze electronic MLC 310... -
Page 36: 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 MLC 310... -
Page 37: Aligning Of Deflecting Mirrors With The Laser Alignment Aid
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. ð The protective field is free. LED1 on the receiver is permanently lit green. The OSSDs switch on. Leuze electronic MLC 310... -
Page 38: 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 MLC 310... - Page 39 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 MLC 310...
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Page 40: To Be Performed Periodically By Competent Persons
Unpredictable machine behavior during the test may result in serious injury! 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 MLC 310... -
Page 41: 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 MLC 310... -
Page 42: Maintenance
• The system is safely shut down and protected against restart. 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 MLC 310... -
Page 43: 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 44: Disposing
Disposing Disposing Ä For disposal observe the applicable national regulations regarding electronic components. Leuze electronic MLC 310... -
Page 45: 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 MLC 310... -
Page 46: Technical Data
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 Profile cross section 29 mm x 35.4 mm Dimensions see chapter 14.2 "Dimensions, weight, response time" Weight see chapter 14.2 "Dimensions, weight, response time" Leuze electronic MLC 310... - Page 47 (RC elements, varistors or recovery diodes), since these con- siderably extend the decay times of inductive switching elements. Tab. 14.6: Patents US patents US 6,418,546 B Leuze electronic MLC 310...
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Page 48: Dimensions, Weight, Response Time
Dimensions (nominal protective field height), weight and response time Device type Transmitter and receiver Receiver Dimensions [mm] Weight [kg] Response time [ms] acc. to resolution Type 20 mm 30 mm 40 mm 90 mm MLC…-150 0.30 MLC…-225 0.37 MLC…-300 0.45 MLC…-450 0.60 MLC…-600 0.75 MLC…-750 0.90 MLC…-900 1.05 Leuze electronic MLC 310... -
Page 49: Dimensioned Drawings: Accessories
2.85 MLC…-3000 3000 3066 3.15 Tab. 14.8: Additional dimensions for calculating the effective protective field height R = resolution 20 mm 7 mm 10 mm 30 mm 19 mm 9 mm 40 mm 25 mm 15 mm 90 mm 50 mm 40 mm 14.3 Dimensioned drawings: Accessories Fig. 14.2: BT-L mounting bracket Leuze electronic MLC 310... - Page 50 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 MLC 310...
- Page 51 Technical data 20,5 Ø 5,3 (2x) Ø 5,3 (2x) Fig. 14.6: Swiveling mounting bracket BT-2SB10 Leuze electronic MLC 310...
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Page 52: Order Guide And Accessories
Protective field height: 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 MLC 310... - Page 53 68090421 68090921 2400 68090424 68090924 2700 68090427 68090927 3000 68090430 68090930 Tab. 15.4: Part numbers of MLC 310 receiver depending on resolution and protective field height Protective field 20 mm 30 mm 40 mm 90 mm height hhhh [mm] MLC310R20-hhhh MLC310R30-hhhh MLC310R40-hhhh MLC310R90-hhhh 68091201 68091301...
- Page 54 68091927 3000 68091430 68091930 Tab. 15.5: Accessories Part no. Article Description Connection cables for MLC 300 transmitter and MLC 310 receiver, shielded 50133860 KD S-M12-5A-P1-050 Connection cable, 5-pin, 5 m long 50133861 KD S-M12-5A-P1-100 Connection cable, 5-pin, 10 m long 678057 CB-M12-15000E-5GF Connection cable, 5-pin, 15 m long...
- Page 55 347073 MLC-PS450 Protective screen, length 448 mm 347074 MLC-PS600 Protective screen, length 598 mm 347075 MLC-PS750 Protective screen, length 748 mm 347076 MLC-PS900 Protective screen, length 898 mm 347077 MLC-PS1050 Protective screen, length 1048 mm 347078 MLC-PS1200 Protective screen, length 1198 mm Leuze electronic MLC 310...
- Page 56 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 349939 AC-TR20/40 Test rod 20/40 mm Leuze electronic MLC 310...
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Page 57: Eu/Ec Declaration Of Conformity
EU/EC Declaration of Conformity EU/EC Declaration of Conformity Leuze electronic MLC 310...
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