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Drive Technology \ Drive Automation \ System Integration \ Services

Manual

Decentralized Servo Inverter

MOVIAXIS

MMD60B

Functional Safety

Edition 06/2012

16980026 / EN

Summary of Contents for MOVIAXIS MMD60B

Page 1: ...Drive Technology Drive Automation System Integration Services Manual Decentralized Servo Inverter MOVIAXIS MMD60B Functional Safety Edition 06 2012 16980026 EN ...

Page 2: ...SEW EURODRIVE Driving the world ...

Page 3: ...ndition 6 2 2 Safety concept 7 2 3 Safety functions 8 2 4 Restrictions 10 3 Safety Conditions 11 3 1 Approved device combinations 11 3 2 Requirements on the installation 12 3 3 Requirements on the external safety controller 13 3 4 Requirements on startup 15 3 5 Requirements on operation 15 4 Connection Variants 16 4 1 Position of the plug connector for safe torque off STO 16 4 2 Assignment of the ...

Page 4: ...sks of damage to property and other notes 1 2 2 Structure of the section related safety notes Section related safety notes do not apply to a specific action but to several actions pertaining to one subject The used symbols indicate either a general or a specific hazard This is the formal structure of a section related safety note 1 2 3 Structure of the embedded safety notes Embedded safety notes a...

Page 5: ...f these operating instructions In such cases any liability for defects is excluded 1 5 Copyright 2012 SEW EURODRIVE All rights reserved Unauthorized duplication modification distribution or any other use of the whole or any part of this documentation is strictly prohibited 1 6 Document content This publication contains conditions and amendments related to MOVIAXIS MMD60B in safety related applicat...

Page 6: ...e following safety requirements Performance level d according to EN ISO 13849 1 SIL 2 according to IEC 61800 5 2 This was certified by TÜV Nord Copies of the TÜV certificate and the corresponding report are available from SEW EURODRIVE on request 2 1 Safe condition For safety related operation of MOVIAXIS MMD60B safe torque off is defined as safe condition see STO safety function The safety concep...

Page 7: ...g torque Disconnecting the 24 V power supply ensures that the voltage supplies required for operation of the drive are safely interrupted Instead of galvanic isolation of the drive from the supply system using contactors or switches the disconnection of the 24 V supply described here safely prevents the gating of the power semiconductors in the frequency inverter The rotary field gener ation for t...

Page 8: ...TO function is activated the frequency inverter no longer supplies power to the motor for generating torque This safety function corresponds to a non controlled stop according to EN 60204 1 stop category 0 The safety related 24 V power supply must be switched off by a suitable external safety controller or a suitable external safety relay The following figure shows the STO function 2463228171 V Ve...

Page 9: ...te brake ramp specified via setpoints Disconnect the safety related 24 V power supply triggering the STO function after a specified safety related time delay This safety function corresponds to a controlled stop according to EN 60204 1 stop category 1 The following figure illustrates the SS1 c function 2463226251 V Velocity t Time t1 Point of time when the brake ramp is initiated t2 Point of time ...

Page 10: ... chapter Safety functions the brake ramp of the drive is not monitored with respect to safety In case of a fault the drive might not be decelerated after the delay time or it might be accelerated in the worst case In this case the STO function see chapter Safety functions is only activated after the set time delay has elapsed The resulting danger must be taken into account in the risk assessment o...

Page 11: ... The following requirements are mandatory when installing and operating MOVIAXIS MMD60B in safety related applications The conditions are divided into the following sections Approved device combinations Requirements on the installation Requirements on external safety controllers safety relays Requirements on startup Requirements on operation 3 1 Approved device combinations Only the following comb...

Page 12: ...ntrol lines The MMD60B does not detect a connection of the STO signal with indepen dent potential and of the STO signal with ground Short circuit detection or fault exclusion must be implemented depending on the connection Observe the values specified for safety components when designing the safety circuits For EMC compliant installation observe the information in the following publication MOVIAXI...

Page 13: ...e supply Observe the manufacturer s instructions concerning the permitted contact loads and fusing that may be required for the safety con tacts If the manufacturer provides no specific information the contacts must be protected with 0 6 times the nominal value of the maximum contact rating specified by the manufacturer To ensure protection against unintended restart in accordance with EN 1037 the...

Page 14: ... safety relay according to the before mentioned requirements to MOVIAXIS MMD60B The information in the respective manufacturer s data sheets must be observed for connection 2466502411 1 Safety relay 4 STO signal 2 DC 24 V voltage supply 5 Reset button for manual reset 3 Fuses in accordance with the manufacturer s specifications of the safety relay 6 Permitted emergency stop actuating device 4 3 1 ...

Page 15: ...nts that affect the result of the validation test must be deactivated if necessary For using MOVIAXIS MMD60B in safety related applications it is essential that you perform and record startup checks for the disconnecting device and correct wiring 3 5 Requirements on operation Operation is only allowed within the limits specified in the data sheets This applies both to the external safety relay as ...

Page 16: ...2 Assignment of the plug connector for safe torque off STO The following figure shows the pin assignment of the plug connector for safe torque off STO of MOVIAXIS MMD60B 2950509195 X30 XS4 XS5 X31 X12 X50 1 X50 STO Pin Designation Assignment M12 5 pole female A coded 1 24 V DC 24 V output 2 STO 0V24 reference potential for safe disconnection 3 0V24 Reference potential 4 STO DC 24 V input for safe ...

Page 17: ...nd at the M output 2950996875 1 Installation space 2 Safety relay 3 Plug connector for STO X50 STO 2 4 MOVIAXIS MMD60B 1 3 DC 24 V 2 INFORMATION When wiring the STO signals possible faults in plug connectors and cables lines have to be considered see ISO 13849 2 and the installation has to be designed according to the required safety class MOVIAXIS MMD60B does not detect short circuits in the supp...

Page 18: ...ainst ground at the M output 2951024523 1 Installation space 2 Safety controller 3 Plug connector for STO 2 1 DOn_P DOn_M X50 STO 3 2 4 MOVIAXIS MMD60B INFORMATION When wiring the STO signals possible faults in plug connectors and cables lines have to be considered see ISO 13849 2 and the installation has to be designed according to the required safety class MOVIAXIS MMD60B does not detect short c...

Page 19: ...t capacitance 155 μF Switch on switch off threshold 11 V Input voltage for OFF status STO at 6 mA 4 V Time from disconnecting the safety voltage until the deactivation of the rotating field 200 ms Time from connecting the safety voltage until the deactivation of the rotating field 200 ms Safety characteristics Approved safety classes Performance level d according to EN ISO 13849 1 SIL 2 according ...

Page 20: ...icable 5 R Representation of safety technology schematic 7 Requirement On operation 15 On startup 15 On the external safety controller 13 on the installation 12 On the safety circuit 13 Restrictions 10 Rights to claim under limited warranty 5 S Safe condition 6 19 Safe stop 1 SS1 9 Safe torque off STO 8 Safety characteristics 19 Safety concept 7 8 Safety conditions 11 Safety controller requirement...

Page 21: ...Manual MOVIAXIS MMD60B Functional Safety 21 Index W Wiring specifications 12 Wiring technology 12 0 9 24 V supply electronics 19 ...

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Page 24: ...EURODRIVE Driving the world SEW EURODRIVE Driving the world www sew eurodrive com SEW EURODRIVE GmbH Co KG P O Box 3023 D 76642 Bruchsal Germany Phone 49 7251 75 0 Fax 49 7251 75 1970 sew sew eurodrive com ...

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