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ML2R-SR4

Safety Relays

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

2019/0

5/21 -501

27619

We reserve the rig

ht to

make technical chan

ges

1
2
3
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Summary of Contents for ML2R-SR4

Page 1: ... SR4 Safety Relays 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 2019 05 21 50127619 We reserve the right to make technical changes ...

Page 2: ...Leuze electronic ML2R SR4 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 de ...

Page 3: ...cal connection 11 6 1 Circuit plan 11 7 Starting up the device 12 7 1 Switching on 12 7 2 Start restart 12 7 2 1 Unlocking start restart interlock 12 8 Testing 13 8 1 Before the initial start up and following modifications 13 8 1 1 Checklist initial start up 13 8 2 To be performed periodically by a competent person 15 8 3 To be performed daily by the operating personnel 15 8 3 1 Check list daily o...

Page 4: ... for danger avoidance are not followed CAUTION Signal word for minor injury Indicates dangers that may result in minor injury if the measures for danger avoid ance are not followed WARNING Signal word for serious injury Indicates dangers that may result in severe or fatal injury if the measures for danger avoidance are not followed DANGER Signal word for life threatening danger Indicates dangers w...

Page 5: ...ctive 95 63 EC OSHA 1910 Subpart O Safety regulations Accident prevention regulations and safety rules Betriebssicherheitsverordnung Ordinance on Industrial Safety and Health and employment protection act Product Safety Law ProdSG and 9 ProdSV 2 1 Approved purpose and foreseeable improper operation 2 1 1 Intended use For safety related information you may also contact the local authorities e g ind...

Page 6: ...nt The construction of the safety relay must not be altered When manipulating the safety relay the pro tective function is no longer guaranteed Manipulating the safety relay also voids all warranty claims against the manufacturer of the safety relay The safety relay must be tested regularly by a competent person see chapter 8 Testing The safety relay must be exchanged after a maximum of 20 years R...

Page 7: ...n and safety at work Regular testing by competent persons 2 4 Disclaimer Leuze electronic GmbH Co KG is not liable in the following cases Safety relay is not used as intended Safety notices are not adhered to Reasonably foreseeable misuse is not taken into account Mounting and electrical connection are not properly performed Proper function is not tested see chapter 8 Testing Changes e g construct...

Page 8: ...OMPACTplus series devices with Hirschmann plug with MLD 530 series devices No new cables need to be laid from the machine to the switch cabinet The safety sensor can be connected directly to the ML2R SR4 adapter box The cable that was connected to the COMPACTplus can be connected directly to the ML2R SR4 adapter box ...

Page 9: ...able signal The MLD 530 expects the muting enable signal from the control Contactor monitoring Contactor monitoring is not activated Automatic restart Reset takes place on the MLD 530 the MSI SR4B 02 integrated in the adapter box works in automatic restart mode ...

Page 10: ...MPACTplus safety sensor to the adapter box Start up the safety sensor again WARNING Improper mounting may result in serious injury The protective function of the safety relay is only ensured if appropriately and professionally mounted for the respective intended area of application Only allow competent persons to install the safety relay Observe the relevant standards regulations and these instruc...

Page 11: ...hing outputs During all work at the electrical system or electronics make certain that each voltage supply has been interrupted and protected against being restarted WARNING Improper electrical connection may result in serious injury Only allow competent persons to perform the electrical connection Make certain that supply and signal lines are laid separately from power lines Use appropriate spark...

Page 12: ...eration of the system following process interruptions triggering of the protective function failure of the voltage supply see chapter 7 2 1 Unlocking start restart interlock 7 2 1 Unlocking start restart interlock The red and yellow LEDs illuminate as long as the restart is disabled Make certain that the active protective field is clear If the active protective field is not clear select a differen...

Page 13: ...ety relay was correctly selected acc to the locally applicable regulations and directives Check whether the safety relay is operated acc to the specified environmental conditions see chapter 12 Technical data Make certain that the safety relay is protected against overcurrent Perform a visual inspection for damage and test the electrical function see chapter 8 2 To be per formed periodically by a ...

Page 14: ...rotective field Are all additional protective devices e g safety guards correctly mounted and pro tected against tampering Is the command device for triggering the start restart interlock of the safety relay or the machine mounted in accordance with specifications Are safety relay connecting cable plug protection caps and command devices undamaged and free of any signs of manipulation Has the effe...

Page 15: ... the machine Ensure that the dangerous state is stopped as soon as a light beam is interrupted or a switch is actuated 8 3 1 Check list daily or at change of shift Interval daily or at shift change Tester authorized operating personnel or instructed person Table 8 2 Check list daily or at change of shift WARNING Unpredictable machine behavior during the test may result in serious injury Make certa...

Page 16: ...Maintenance Leuze electronic ML2R SR4 16 9 Maintenance The safety relay is maintenance free ...

Page 17: ...Disposing Leuze electronic ML2R SR4 17 10 Disposing For disposal observe the applicable national regulations regarding electronic components ...

Page 18: ...SR4 18 11 Service and support 24 hour on call service at 49 0 7021 573 0 Service hotline 49 7021 573 123 E mail service protect leuze de Return address for repairs Service center Leuze electronic GmbH Co KG In der Braike 1 D 73277 Owen Germany ...

Page 19: ... delay action Output contacts 3 NO contacts 1 NC contact Ag alloy Switching capacity of the contacts acc to EN IEC 60947 5 1 AC 15 230 V 5 A 1 6x105 switching cycles DC 13 24 V 3 A 1 3x105 switching cycles Max continuous current per current path 3 A Ext contact fuse protection per current path 5 A quick action or 3 15 A delay action Max switching frequency 3600 switching cycles h Mechanical life t...

Page 20: ... EN 61000 6 3 Interference rejection EN 61496 1 2005 type 4 Color Light gray Material ABS plastic Design Dust proof water jet proof Degree of protection IP 65 Permissible wire gauge screw terminals 0 2 2 5 mm2 AWG 24 12 Permissible wire gauge spring cage terminals 0 2 1 5 mm2 AWG 24 16 Dimensions H x W x D 90 mm x 120 mm x 160 mm ...

Page 21: ...Order guide Leuze electronic ML2R SR4 21 13 Order guide Table 13 1 Safety relay MR2L SR4 Part no Article Description 549998 MR2L SR4 Safety relay in adapter box ...

Page 22: ...EC Declaration of Conformity Leuze electronic ML2R SR4 22 14 EC Declaration of Conformity ...

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