Leuze electronic MLC 520 Original Operating Instructions Download Page 36

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Electrical connection

Leuze electronic

MLC 520 EX

7.2

Circuit diagram examples

7.2.1 MLC 520 circuit diagram example

Figure 7.7: Circuit diagram example with downstream MSI-RM2 safety relay

EDM

OSSD1

MSI-RM2

OSSD2

Start

MLCx20R

Restart

+24V

-K

-K4

-W1

-W2

-S1

-A

-K4

-K

-W1

-W2

-A2

-A1

+24V

L+

L-

RES activ

VIN1

RNG

MLCx00T

VIN2

n.c.

Summary of Contents for MLC 520

Page 1: ...X 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 EN 2014 12 50127400 We reserve the right to make technical...

Page 2: ...Leuze electronic MLC 520 EX 2 2014 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 de...

Page 3: ...guarding 17 5 3 Danger zone guarding 18 6 Mounting 19 6 1 Arrangement of transmitter and receiver 19 6 1 1 Calculation of safety distance S 19 6 1 2 Calculation of safety distance SRT or SRO if prote...

Page 4: ...al start up and following modifications 40 9 2 To be performed periodically by competent persons 41 9 3 Periodically by the operator 42 9 3 1 Checklist periodically by the operator 42 10 Maintenance 4...

Page 5: ...are not followed DANGER Signal word for life threatening danger Indicates dangers with which serious or fatal injury is imminent if the measures for danger avoidance are not followed Symbol for tips...

Page 6: ...o the initial start up nor their periodic testing by a competent person The checklists contain minimum testing requirements Depending on the application other tests may be necessary Safety sensor Syst...

Page 7: ...ns and work with safety sensors Machinery directive 2006 42 EC Low voltage directive 2006 95 EC EMC directive 2004 108 EC Use of work equipment directive 89 655 EEC supplemented by directive 95 63 EC...

Page 8: ...ear and tear do not extend the service life 2 1 2 Foreseeable misuse Any use other than that defined under the Approved purpose or which goes beyond that use is consid ered improper use In principle t...

Page 9: ...ensors in potentially explosive areas These notices apply for devices with the following classification Table 2 1 Classification of the devices Device group Device category Equipment protection level...

Page 10: ...t e g welding sparks warning lights 3 1 Device overview The series is characterized by three different receiver classes Basic Standard Extended with certain features and properties see table 3 1 Table...

Page 11: ...Figure 3 1 Transmitter receiver system QR code A QR code as well as the corresponding web address are located on the safety sensor see figure 3 2 At the web address you will find device information an...

Page 12: ...lements of the safety sensors simplify start up and fault analysis 3 3 1 Operating indicators on the MLC 520 receiver Two LEDs and a 7 segment display for showing the operating state are located on th...

Page 13: ...State Description 1 Red green OFF Device switched off Red OSSD off Red slowly flashing approx 1 Hz External fault Red flashing fast approx 10 Hz Internal fault Green slowly flashing approx 1 Hz OSSD o...

Page 14: ...hes to alignment mode In this mode one third of the total protective field top middle bottom is assigned to one of the three hori zontal segments and the state of this sub protective field displayed a...

Page 15: ...hes to the ON state 4 2 EDM contactor monitoring The contactor monitoring function monitors the contactors relays or valves connected downstream of the safety sensor Prerequisite for this are switchin...

Page 16: ...switched by changing the supply voltage polarity see chapter 7 1 1 MLC 500 transmitter The transmission channel of the receiver can be switched by changing the supply voltage polarity see chapter 7 1...

Page 17: ...y safety distance among others see chapter 6 1 1 Calculation of safety distance S Figure 5 1 Point of operation guarding protects reaching into the danger zone e g for cartoners or filling systems Fig...

Page 18: ...in horizontal arrangement for danger zone guarding either as stand alone device for presence monitoring or as stepping behind protection for presence monitoring e g in combination with a vertically a...

Page 19: ...r mounting may result in serious injury The protective function of the safety sensor is only ensured if appropriately and professionally mounted for the respective intended area of application Only al...

Page 20: ...distance for point of operation guarding with approach reaction with resolu tions of 14 to 40 mm d resolution of protective device CRT 8 d 14 mm Calculation example The feeding in area in a press with...

Page 21: ...sing the formula acc to EN ISO 13855 K mm s 1600 T s 0 014 0 250 CRT mm 8 40 14 SRT mm 1600 mm s 0 264 s 208 mm SRT mm 631 The safety light curtain with a 40 mm resolution is thus suitable for this ap...

Page 22: ...1000 1100 1200 1300 1400 1600 1800 2000 2200 2400 2600 Additional distance CRO to the danger zone mm 2600 0 0 0 0 0 0 0 0 0 0 0 0 2500 400 400 350 300 300 300 300 300 250 150 100 0 2400 550 550 550 5...

Page 23: ...on from the safety sensor and additional distance CRO Height b of the upper beam of the safety sensor To be determined is the permitted height a of the point of operation In the column head look for t...

Page 24: ...or height as possible using a horizontal safety light curtain as a replacement for a PS mat Installation height Hmin can be 0 additional distance C to the safety distance is then 1200 mm The shortest...

Page 25: ...urfaces as a function of the protective field width S K T C WARNING Failure to maintain minimum distances to reflective surfaces may result in serious injury Reflective surfaces can indirectly deflect...

Page 26: ...n adjacent safety sensors transmitter 1 influences receiver 2 due to incorrect mounting Mount adjacent devices with a shield between them or install a dividing wall to prevent mutual interfer ence Mou...

Page 27: ...ensor or device column included in delivery contents After mounting you can electrically connect see chapter 7 start up align see chapter 8 Starting up the device and check see chapter 9 1 the safety...

Page 28: ...in the direction of slot to set the height is possible but turning tilting and pitching is not Has bypassing the protective field by crawling under reaching over or jumping over been prevented or has...

Page 29: ...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 exchangin...

Page 30: ...damped base for free stand ing floor mounting The range is reduced by approx 10 per deflection A laser alignment aid with red light laser is recom mended for the alignment of transmitter and receiver...

Page 31: ...lecting mirror Figure 6 10 Arrangement with deflecting mirror for 2 side guarding of a point of operation 1 Transmitter 2 Receiver 3 UMC deflecting mirror column Figure 6 11 Arrangement with deflectin...

Page 32: ...Signal outputs must not be used for switching safety relevant signals DANGER Faulty electrical connection in potentially explosive areas may result in serious injury Only disconnect the electrical con...

Page 33: ...ransmission 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...

Page 34: ...ith an 8 pin M12 connector VIN1 1 RNG 4 VIN2 3 FE 5 A1 MLCx00T n c 2 24V FE 0V 24V FE 0V 1 WH GY BU BN BK VIN1 1 RNG 4 VIN2 3 FE 5 A1 MLCx00T 24V FE 0V 24V FE 0V 2 n c 2 WH GY BU BN BK VIN2 3 RNG 4 VI...

Page 35: ...2 Brown VIN1 supply voltage 24 V DC for transmission channel C1 0 V for transmission channel C2 3 Green IN3 control input contactor monitoring EDM 24 V DC without EDM 0 V with EDM and feedback circuit...

Page 36: ...rcuit diagram example with downstream MSI RM2 safety relay EDM OSSD1 MSI RM2 OSSD2 Start MLCx20R Restart 0V FE 24V WH A1 A2 K3 A1 A2 K4 PK GN 1 2 1 2 BU SH 8 W1 BU SH W2 S1 A2 5 14 B3 6 Y1 BN B1 4 A3...

Page 37: ...me height so that the front screens are directed at each other the transmitter and receiver connections point in the same direction the transmitter and receiver are arranged parallel to each other i e...

Page 38: ...ounting height of the transmitter must be changed if applicable Repeat the process until the laser strikes the respective point of the deflecting mirror both on top and on bottom Turn tilt or pitch th...

Page 39: ...you keep the reset button pressed longer than 4 s Starting at 4 s the reset request is ignored Starting at 30 s a 24 V short circuit is assumed on the reset input and the receiver switches to the inte...

Page 40: ...t for integrator to be performed prior to the initial start up and following modifications Table 9 1 Checklist for integrator to be performed prior to the initial start up and following modifications...

Page 41: ...ed start restart interlock functional Is the command device for unlocking the start restart interlock mounted in such a way that it cannot be reached from within the danger zone and so that the com pl...

Page 42: ...be necessary under certain circumstances to check some points at longer time intervals Therefore observe the classification in Test at least and Test when possible 9 3 1 Checklist periodically by the...

Page 43: ...suitable opaque test object Figure 9 1 Checking the protective field function with test rod only for safety light cur tains with a resolution of 14 to 40 mm Does the OSSD LED on the receiver illuminat...

Page 44: ...amination NOTICE Faulty operation if transmitter and receiver are soiled The surfaces of the front screen of transmitters receivers and where applicable deflecting mirror must not be scratched or roug...

Page 45: ...LED displays causes and measures NOTICE If the safety sensor responds with an error display you will often be able to eliminate the cause yourself Switch off the machine and leave it switched off Ana...

Page 46: ...C1 Remove all objects from the protective field Align the transmitter and receiver to each other or place blanked objects correctly con cerning size and position Red slowly flashing approx 1 Hz Exter...

Page 47: ...t 24 V at OSSD2 Check the wiring Exchange the cable if applicable Automatic reset E10 E11 OSSD error source unknown Check the wiring Exchange the cable and the receiver if neces sary Automatic reset E...

Page 48: ...the operating mode if required and restart Locking E38 Restart interlock operating mode changed during operation Check the correctness of the selected operating mode correct the operating mode if requ...

Page 49: ...Disposing Leuze electronic MLC 520 EX 49 12 Disposing For disposal observe the applicable national regulations regarding electronic components...

Page 50: ...call service at 49 0 7021 573 0 Service hotline 49 0 8141 5350 111 Monday to Thursday 8 00 a m to 5 00 p m UTC 1 Friday 8 00 a m to 4 00 p m UTC 1 E mail service protect leuze de Return address for re...

Page 51: ...ure to danger per hour PFHd 7 73x10 9 1 h Service life TM 20 years Ex device group category II 3G II 3D Ex zone 2 22 Permissible surface tempera ture T 85 T4 Ignition protection type nA non sparking t...

Page 52: ...accordance with IEC EN 60068 2 6 Profile cross section 29 mm x 35 4 mm Dimensions see figure 14 1 andsee table 14 8 Weight see table 14 8 Transmitter diodes class in acc with EN 60825 1 1994 A1 2002 A...

Page 53: ...restart delay time after beam interruption 100 ms a In the event of a failure if the 0V cable is interrupted each output behaves as a 120 k resistance to Uv A down stream safety PLC must not detect t...

Page 54: ...nse time Table 14 9 Additional dimensions for calculating the effective protective field height Device type Transmitter and receiver Receiver Dimensions mm Weight kg Response time ms acc to resolution...

Page 55: ...mounting bracket Figure 14 3 BT Z parallel bracket Figure 14 4 BT R swivel mount 39 16 29 12 R 1 0 R3 1 4 R6 R3 1 R10 30 12 R3 1 18 4 31 7 73 61 6 2 6 2 R3 1 R10 R10 22 10 R3 1 10 8 4 25 12 1 6 2 6 2...

Page 56: ...onic MLC 520 EX 56 Figure 14 5 BT P40 clamp bracket for mounting in UDC device columns Figure 14 6 BT SSD and BT SSD 270 swiveling mounting brackets 65 80 40 20 14 26 5 11 3 a b 40 34 70 10 35 60 270...

Page 57: ...20 Standard receiver EDM RES selectable 30 Extended receiver blanking muting z Device type T transmitter R receiver a Resolution 14 14 mm 20 20 mm 30 30 mm 40 40 mm 90 90 mm hhhh Protective field heig...

Page 58: ...2 30 mm MLC500T30 hhhh EX2 600 68040206 68040306 750 68040207 68040307 900 68040209 68040309 1050 68040210 68040310 1200 68040212 68040312 1350 68040213 68040313 1500 68040215 68040315 Protective fiel...

Page 59: ...GF Connection cable 8 pin 15 m long 429288 CB M12 25000 8GF Connection cable 8 pin 25 m long 429289 CB M12 50000 8GF Connection cable 8 pin 50 m long User configurable connectors for MLC 500 EX transm...

Page 60: ...1300 S2 Continuous deflecting mirror column 1300 mm 549782 UMC 1600 S2 Continuous deflecting mirror column 1600 mm 549783 UMC 1900 S2 Continuous deflecting mirror column 1900 mm Deflecting mirrors 52...

Page 61: ...42 EG Anhang IV MLC 100 MLC 300 MLC 500 Seriennummer siehe Typschild Safety Light Curtain Active opto electronic protective device safety component in acc with 2006 42 EC annex IV MLC 100 MLC 300 MLC...

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