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Description

STO safety function

8026151

1306NH

Motor controller

CMMS-AS-...-G2 – STO

Содержание 572986

Страница 1: ...Description STO safety function 8026151 1306NH Motor controller CMMS AS G2 STO...

Страница 2: ...ath or serious injuries Caution Hazards that can cause minor injuries or serious material damage Other symbols Note Material damage or loss of function Recommendations tips references to other documen...

Страница 3: ...on STO 11 2 1 Product overview 11 2 1 1 Purpose 11 2 1 2 Interfaces 11 2 2 Function and application 12 2 2 1 Description of the safety function STO 13 2 2 2 Overview of interfaces X1 and X3 15 2 2 3 R...

Страница 4: ...tics and fault clearance 33 5 3 1 Status indicators 33 5 3 2 Error messages 33 6 Modification and replacement of the motor controller 35 6 1 Repair or replacement of the integrated protection circuit...

Страница 5: ...he CMMS AS G2 can be found in the hardware doc umentation GDCP CMMS AS G2 HW Tab 1 Observe the information regarding safety and the requirements for product use in chapter 1 Product identification Thi...

Страница 6: ...interfaces and device profiles Description of device profile FHPP P BE CMM FHPP SW Control and parameterisation of the motor controller via the device profile FHPP from Festo Description of device pro...

Страница 7: ...ntroller due to incorrect handling Switch off the supply voltage before mounting and installation work Switch on sup ply voltage only when mounting and installation work are completely finished Observ...

Страница 8: ...is impermissible Repairs to the motor controller are impermissible The STO Safe Torque Off function does not provide protection against electric shock only against hazardous movements Hardware documen...

Страница 9: ...n the technical data Only compliance with the limit values or load limits will enable operation of the product in compli ance with the relevant safety regulations Observe the instructions and warnings...

Страница 10: ...is a safety related part of the control systems The motor controller carries the CE marking Standards and test values which the product must comply with and fulfils can be found in the section Techni...

Страница 11: ...mple people need to be in hazardous areas In such situations the machine operator must be protec ted by drive and internal control measures The functional safety technology integrated in the motor con...

Страница 12: ...of the motor controller CMMS AS G2 Safety function Requirements of the safety switching device1 Switch off behaviour Stop category STO Safe Torque Off 2 safety contacts non delayed Connection option...

Страница 13: ...tivation of driver supply relay switch off of the driver supply high driver supply on low pulse blocker active Driver supply monitoring Potential free driver supply acknowledg ment contact 15 V IGBT d...

Страница 14: ...ing brakes use clamping units that permit emergency braking or use automatic locking axis mechanisms The holding brakes used by Festo motors are not suitable for active deceleration only for holding a...

Страница 15: ...ble high active 18 24 V 24 V supply provided 21 DIN 4 Output stage enable high active X3 1 24 V Auxiliary power supply 24 V DC logic supply of the motor controller provided 2 Rel Activation of driver...

Страница 16: ...edback contact has a single channel and may only be used for monitoring Tab A 7 in Appendix A 1 3 describes the electrical data and runtime performance of the acknowledgment contact When the 24 V supp...

Страница 17: ...on STO 2 3 1 Explanations of the switching example The switching example shows a combination of the CMMS AS G2 with a PNOZ s3 safety switching device from Pilz A circuit is shown with an emergency sto...

Страница 18: ...elay Rel X3 2 and output stage enable DIN4 X1 21 are switched off simultaneously Safe Torque Off is activated 2 With removal of the control signal for the relay to switch off the driver supply the cap...

Страница 19: ...rged after no more than 20 ms t6 3 The potential free acknowledgment contact NC1 NC2 X3 5 6 is opened no later than 30 ms t4 after Rel X3 2 is switched 4 The switching time for the output stage enable...

Страница 20: ...cal t1 7 segment display t3 t5 t2 Acknowledgment contact NC1 NC2 X3 5 6 Driver supply relay Rel X3 2 t4 Safe Torque Off t5 H t4 t8 t7 t6 t10 t9 Open Closed Open tSTO t1 5 ms t2 2 5 ms tSTO 12 ms t3 L...

Страница 21: ...hardware enable 13 14 L1 2 3 X3 5 6 4 1 Motor controller with safety function T2 only relevant connections represented 2 Safety switching device T1 3 Emergency stop switches 4 Inputs and outputs of th...

Страница 22: ...vertical axes against falling down or dropping after the motor is switched off such as through mechanical locking of the vertical axis external brake catch clamping device or sufficient counterbalanc...

Страница 23: ...s time is dependent on the respective holding brake and must be parameterised by the user typically 150 ms For applications without holding brake the time is set to 0 ms 4 The brake is mechanically cl...

Страница 24: ...tage driver 2nd switch off path must be switched through 24 V at Rel X3 2 related to 0 V X3 3 This switches on the internal driver supply 2 The driver supply is recharged after no more than 20 ms t8 3...

Страница 25: ...2 t6 Safe Torque Off t7 H t6 t11 t9 t8 t13 t3 t4 t5 t7 t12 Open Closed Open t10 t1 5 ms t2 0 ms 10 s dependent on the actual speed value and quick stop delay parameterised with FCT t3 0 6553 ms switch...

Страница 26: ...delays Determine the values for the maximum brake time with maximum travel speed To do this select the actual speed value in the FCT on the Configure measurement data Then perform a measurement Start...

Страница 27: ...t would run out uncon trolled 2 5 Testing the safety function At each On Off cycle of the machine the safety switching devices PNOZ from Pilz check whether the relays of the safety device open and clo...

Страница 28: ...age in accordance with EN 60204 1 Through the use of PELV circuits protection from electric shock protection from direct and indirect contact in accordance with EN 60204 1 is ensured Electrical equipm...

Страница 29: ...the plug on the device Plug X3 Pin Designation Value Description 1 6 1 24 V 24 V DC Auxiliary power supply 24 V DC logic supply of the motor controller provided 2 Rel 0 V 24 V Driver supply relay con...

Страница 30: ...r functionality The safety function must be tested and a corresponding validation procedure carried out prior to the intended use Section 4 2 Incorrect wiring or the use of incorrect external componen...

Страница 31: ...lementary safety measures 3 User information about the residual risk Yes 0 No 0 0 3 Were the hazards eliminated or the hazard risks reduced as far as practically possible Yes 0 No 0 0 4 Can it be guar...

Страница 32: ...ed in accordance with the application s requirements Yes 0 No 0 0 c Functional tests Yes 0 No 0 0 Pressing the emergency stop button on the unit Is the drive switched free of torque Yes 0 No 0 0 If on...

Страница 33: ...and fault clearance 5 3 1 Status indicators Display on the motor controller Display Description H STO is called up over two channels If this is not the case the normal status displays of the motor con...

Страница 34: ...tching operations at the input Check activation the error must not recur If the error occurs again when STO is required Check firmware section Product identification If all the named options have been...

Страница 35: ...f the motor controller 6 1 Repair or replacement of the integrated protection circuit Repair of the integrated protection circuit is not permissible If required replace the complete motor controller 6...

Страница 36: ...considerably shorter proof test intervals may be required Please take into account the maximum service life of the relay contact Tab A 6 MTTFd Years 528 Mean time to dangerous failure Tab A 1 Technic...

Страница 37: ...accordance with EU EMC Directive The device is intended for use in an industrial environment Measures for interference suppression may need to be implemented in residential areas Tab A 3 Technical dat...

Страница 38: ...Switching time from high to low ms 12 Switching time from low to high ms 20 Maximum test impulse length s Not specified no tolerance against test impulses Service life of relay input switching cycles...

Страница 39: ...1 at nominal current Tab A 8 Technical data electrical data of the auxiliary supply output X3 Cabling X3 Max cable length m 30 Screening When wiring outside the control cabinet use screened cable Gui...

Страница 40: ...ovement if this creates a hazard FCT Festo Configuration Tool software for configuration and commissioning MTTFd Mean Time To Failure dangerous Time in years until the first dangerous failure will hav...

Страница 41: ......

Страница 42: ...tion is prohibited Offenders will be liable for damages All rights re served in the event that a patent utility model or design patent is registered Copyright Festo AG Co KG Postfach 73726 Esslingen G...

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