Afag SE-Power FS Manual

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Servo Controller
SE-Power FS
 STO-Manual
Complementary document to the Operating Instruction
© Copyright by Afag Automation AG
Translation: English

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Summary of Contents for Afag SE-Power FS

  • Page 1 Servo Controller SE-Power FS  STO-Manual Complementary document to the Operating Instruction © Copyright by Afag Automation AG Translation: English...
  • Page 2: Table Of Contents

    Auxiliary supply 24V, 0V [X40] ................22 4.2.6 Status display ......................22 4.2.7 DIP switch ......................22 Functionalities in the basic SE-Power FS ...............22 Time behaviour .......................25 4.4.1 Basic time behaviour STO ..................25 4.4.2 Time behaviour for activating STO during operation with restart ......26 4.4.3...
  • Page 3 Safety module replacement ..................49 8.1.1 Repair ........................49 8.1.2 Removal and installation ..................49 Decommissioning and disposal................49 8.2.1 Disposal ........................49 Replacing the previous series SE-Power with the SE-Power FS ......50 8.3.1 SE-Power .......................50 8.3.2 SE-Power FS ......................50 8.3.3 Modifications to the connection wiring..............50 8.3.4 Information for configuration ...................51...
  • Page 4 Technical data ......................52 9.1.1 Safety engineering ....................52 9.1.2 General ........................53 9.1.3 Operating and environmental conditions ..............54 9.1.4 Elektrical data ......................55 Glossary .........................58 SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 5 ..........................28 Figure 6: Mounting / Dismounting ....................31 Figure 7: Connection of the SE-Power FS Safety Modul STO, example of single-phase servo drive SE-Power FS .......................34 Typical circuit “Decelerate and safe torque off” (SS1, “Safe Stop 1”), example single- Figure 8: phase servo drive SE-Power FS ...................36...
  • Page 6 List of tables: Table 1: Overview safety-activation-modules for the SE-Power FS ...........15 Table 2: Function of the module connections ................20 Table 3: Detection and response times of the driver supply voltage ..........24 Table 4: Time data concerning Figure 3 ..................25 Table 5: Time data concerning Figure 4 ..................27...
  • Page 7 This manual is a complementary document to the operating instructions and applies to : Type Order No. SE-Power FS Safety Module FSM 2.0 STO 50393463 Version of this SE-Power FS STO-manual vers. 1.6 en.12.08.2015 documentation: Caution! As this manual is a complementary document to the operating instructions it alone is not sufficient to carry out installation and commissioning of the device.
  • Page 8: General

    Description of the technical data and the functions of the device as well as notes on the plug assignment, installation and operation of the SE-Power FS servo controller series. It is meant for persons who want to get familiar with the SE-Power FS servo controller Caution! The operating manual is the main document and must be read by all means before installation and start-up of all devices of the SE-Power FS series .
  • Page 9 Description of the configuration and program from the programming example for Siemens S7 V5.5. ☐  SE-Power FS programming example Siemens S7 TIA V12 Description of the configuration and program from the programming example for Siemens S7 TIA V12. These documents are available for download on our homepage: www.afag.com...
  • Page 10: Used Symbols

    No observance may result in severe property damages. DANGER! No observance may result in property damages and in personal injuries. Caution! Life-threatening voltages. The safety instruction contains a pointer to the occurrence of a possibly life- threatening voltage. SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 11: Safety And Requirements For Product Use

    3.1.1 General safety information Caution! The operating manual is the main document and must be read by all means before installation and start-up of all devices of the SE-Power FS series Note Danger of loss of the safety function. Non-compliance with environmental and connection conditions can lead to loss of the safety function.
  • Page 12: Intended Use

    3.1.2 Intended use The safety module SE-Power FS Safety Module STO serves as an expansion of the servo drive SE-Power FS to achieve the safety function: Safely switched-off torque – “Safe Torque Off” (STO) with SIL3 according to EN 61800-5- ...
  • Page 13: Achievable Safety Level, Safety Function According To En Iso 13849-1 / En 61800-5-2

    Appendix 9.1), the servo drive and all connected components. The product can be operated in accordance with the relevant safety guidelines only if the limit values or load limits are observed.  Observe the warnings and instructions in this documentation. SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 14: Qualification Of The Specialist Personnel (Requirements For Personnel)

    Standards and test values which the product must comply with and fulfils can be found in the  section „Technical data“ ( Appendix 9.1). The product-relevant EU directives can be found in the declaration of conformity. SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 15: Product Description Se-Power Safety Module Sto

    Overview safety-activation-modules for the SE-Power FS 4.1.2 Supported devices The SE-Power FS Safety Module STO can only be used in servo drives in conformity with Section 3.1.2. As a standard, the SE-Power FS series servo drives come supplied with the ordered safety module (STO or MOV) for integrated functional safety.
  • Page 16: Control Sections And Connections

    4.1.3 Control sections and connections The SE-Power FS Safety Module STO has the following control sections, connections and display components. Servo drive SE-Power FS with slot for a Functional Safety Module Digital I/O-interface [X40] for control of the STO function...
  • Page 17: Function And Application

    4.2 Function and application The safety module SE-Power FS Safety Module STO has the following performance characteristics:  “Safe Torque Off” (STO) function,  Potential-free feedback contact for the operating status,  Designed as a plug-in module that can be plugged in from the outside thus enabling retrofits, ...
  • Page 18: Description Of The Safety Function Sto

    GND_B -VDC >=1 Safety circuit (switch, relay, safety switching device) SE-Power FS Safety Module STO Power end stage in the SE-Power FS (only one phase illustrated) Driver supply Motor connection LED (green / yellow), status display Feedback contact “Safe Torque Off” – Operating principle for the SE-Power FS Figure 2: SE-Power FS STO-manual vers.
  • Page 19: Overview Of Interface [X40]

    SE-Power (previous series with  the “Safe Stop” function to be realised via the connection [X3]) and the SE-Power FS Section 8.3. The interface [X40] permits the direct connection of active and passive sensors, since a 24 V supply voltage (auxiliary supply) with corresponding reference potential is lead out.
  • Page 20: Control Ports Sto-A, 0V-A / Sto-B, 0V-B [X40]

    OSSD signals (buffer time) depend on the input level The time response requirements are contained in the technical specifications in Section 9.1.4. The time Response itself is described in section 4.4. SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 21: Feedback Contact C1, C2 [X40]

    – due to the internal supply voltages powering up at a different speed – deviate briefly (approx. 100ms) from the state of the control ports STO-A and STO-B. SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 22: Auxiliary Supply 24V, 0V [X40]

    DIP switches. 4.3 Functionalities in the basic SE-Power FS The following functions in the basic unit SE-Power FS are not certified according to EN 61800-5-2. They are functional supplements and offer additional diagnostics options. Error messages generated by the safety module, such as exceeding the discrepancy time, are detected and analysed by the non-safety finite state machine of the servo drive.
  • Page 23 The servo drive SE-Power FS monitors the status of the control ports STO-A and STO-B. Consequently, the servo drive firmware detects the request for the safety function STO (Safe Torque Off) and various non-safety functions are then performed:  Detection of deactivated driver supply for the power semiconductor via the safety module ...
  • Page 24: Table 3: Detection And Response Times Of The Driver Supply Voltage

    The finite state machine in the servo drive SE-Power FS has its own status in parallel to the safety module SE-Power FS Safety Module STO. Due to the discrepancy time analysis, this finite state machine may reach the “Safe status” only with a considerable delay. Accordingly, this state can also be signalled via digital outputs or a fieldbus only with a considerable delay.
  • Page 25: Time Behaviour

    C1/2 – Switching time closing T_C1/C2_ON Section 9.1.4, Table 23  C1/2 – Switching time opening T_C1/C2_OFF Section 9.1.4, Table 23 0 … 10ms T_DRIVE_V Delay of the SE-Power FS Table 4: Time data concerning Figure 3 SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 26: Time Behaviour For Activating Sto During Operation With Restart

    SE-Power FS Servo drive enable DIN5 T_DIN5_SU T_DIN5_LOW Speed Holding brake 24 V (optional) T_DRIVE_V T_BRAKE_V_ON T_DRIVE_V T_BRAKE_V_OFF „“Output stage enable” (internal) Figure 4: Time behaviour when activating the safety function STO with restart SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 27: Table 5: Time Data Concerning Figure 4

    1) Physical delay until the brake closes. 2) Minimum time: Physical delay until the brake opens. This time can be parameterised in the servo drive via a large value. Table 5: Time data concerning Figure 4 SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 28: Time Behaviour For Activating Ss1 During Operation With Restart

    SE-Power FS Servo drive enable DIN5 T_DRIVE_V T_DIN5_SU Speed 24 V Holding brake (optional) T_DRIVE_V „Output stage enable” (intern) T_BRAKE_V_ON T_BRAKE_V_OFF Figure 5: Time behaviour when activating the safety function SS1 (external switching) with restart SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 29: Table 6: Time Data Concerning Figure 5

    1) Physical delay until the brake closes. 2) Minimum time: Physical delay until the brake opens. This time can be parameterised in the servo drive via a large value. Table 6: Time data concerning Figure 5 SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 30: Assembly And Installation

    Assembly and Installation 5.1 Mounting / Dismounting The safety module SE-Power FS Safety Module STO is suitable only for integration into the servo drive SE-Power FS. It cannot be operated outside the servo drive. Warning Danger of electric shock if the safety module is not mounted.
  • Page 31: Mounting The Safety Module

    5.1.1 Mounting the safety module 1. Insert the safety module SE-Power FS Safety Module STO into the extension slot for safety modules so that the board runs in the lateral guides of the slot. 2. Insert safety module; when the back of the...
  • Page 32: Safety Instructions

    ESD (electrostatic discharge). Earth the system parts prior to installation and use suitable ESD equipment (e.g. shoes, earthing straps, etc.). 5.2.3 Connection [X40] The SE-Power FS Safety Module STO has a combined interface for control and acknowledgment via the plug connector [X40]. ...
  • Page 33: Table 7: Pin Assignment [X40]

    If at the moment of the commissioning of the servo positioning controller, there’s not (yet) a safety orientated connection, the servo positioning controller SE-Power FS with the SE- Power FS Safety Module STO can be commissioned with a minimal wiring according Figure 7 with one emergency stop switch (2).
  • Page 34: Figure 7: Connection Of The Se-Power Fs Safety Modul Sto, Example Of Single-Phase Servo Drive Se-Power Fs

    Servo drive with safety module (only relevant connections illustrated) Emergency stop switch Protective door Light curtain Safety switching device Figure 7: Connection of the SE-Power FS Safety Module STO, example of single-phase servo drive SE-Power FS SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 35 The typical circuit shows a 2-channel structure, which is suitable for categories 3 and 4 with additional measures.  Which additional measures are required depends on the range of applications and the safety concept of the machine. SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 36: Figure 8: Typical Circuit "Decelerate And Safe Torque Off" (Ss1, "Safe Stop 1"), Example Single-Phase Servo Drive Se-Power Fs

    Servo drive with safety module (only relevant connections illustrated) Safety switching device Light curtain Protective door Emergency stop switch Typical circuit “Decelerate and safe torque off” (SS1, “Safe Stop 1”), example Figure 8: single-phase servo drive SE-Power FS SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 37 The required delay is application-dependent and must be defined specific to the application concerned. The delay must be designed so that the drive is decelerated to zero, even at maximum speed, via the quick stop ramp in the SE-Power FS , before STO-A/B are switched off.
  • Page 38: Commissioning

    The functionality of the DIP switch is dependent of the fieldbus interface used. Set the DIP switches as described in the documentation for the servo drives SE- Power FS or the corresponding fieldbus-specific product manuals see 1.1 Documentation. SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 39: Parameterisation With The Afag Se-Commander

     Type indication of the integrated Functional SE-Power FS Safety Module  Status indication for the state machine of the firmware in the basic unit SE-Power FS  Functions for configuring the combination of integrated Functional Safety Module SE- Power FS Safety Module and servo drive SE-Power FS ...
  • Page 40: Figure 9: Indication Of The Type Of Safety Module And Extended Status Window

    6.3.1 Type indication servo drive and safety module At the lower edge of the MSC main screen, there is a status bar. It shows the type of the servo drive and the type of the integrated Functional SE-Power FS Safety Module, see Figure 9.
  • Page 41: Figure 10: Quick-Access Toolbar With The Button "Safety

    SE-Power FS Safety Module STO is displayed. Independently of the display the power end stage of the SE-Power FS may be already safely switched off by the Functional SE-Power FS Safety Module STO, see also Section 6.3.3.3 Status-LEDs.
  • Page 42: Figure 11: Window "Safety Module" Sto (Left) And Mov (Right)

    The appearance of the window Safety module depends on the Functional Safety Module currently integrated. Figure 11 shows the module types SE-Power FS Safety Module STO and SE-Power FS Safety Module MOV as examples. Window “Safety module” STO (left) and MOV (right) Figure 11: The window “Safety module”...
  • Page 43: Table 8: Meaning Of The Leds For The Status Display In The Window "Safety Module

    6.3.3.3 Status-LEDs The upper three LEDs show the state of the state machine within the basic unit SE-Power FS, see Table 8. The state is read out from the basic unit SE-Power FS via communication objects and then displayed. The lower two LEDs display the status of the driver supply voltage.
  • Page 44: Function Test, Validation

    Yes  No  Can it be guaranteed that the implemented measures will not severely impair the machine’s ability to perform its function? Table 9: Questions for validation in accordance with EN ISO 12100-1:2010 (example) SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 45: Table 10: Questions For Validation In Accordance With En Iso 13849-1 And 2 (Example)

     Yes  No  a) Component check: Is the SE-Power FS used with the FSM 2.0 – STO (inspection using the rating plates)  b) Is the wiring correct (check against the wiring diagram)? Yes  No ...
  • Page 46: Operation

    The control inputs STO-A and STO-B are protected against overvoltage and reverse polarity  of the control voltage Section 9.1.4, Table 21. The 24 V DC supply voltage for the servo drive routed to [X40] is short-circuit resistant. SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 47: Table 11: Led- Display On The Safety Module

    - 1 7 0 -. Table 13 lists the error messages that are relevant for the functional safety in combination with the SE-Power FS Safety Module STO. For more information about other error messages, please refer to the corresponding documentation, for example the relevant product manuals, the software manual or the fieldbus- specific product manuals.
  • Page 48: Table 13: Error Messages Relating To The Safety Module

     The safe status was requested with driver supply with active enabled power output stage. Check link to the safety-oriented interface. 1) The messages of error group 51 cannot be acknowledged. Table 13: Error messages relating to the safety module SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 49: Conversion And Module Replacement

    Accept the serial number of the replaced safety module, see Section 6.3.3. 8.2 Decommissioning and disposal Observe the information for dismantling the safety module in Section 5.1. 8.2.1 Disposal Observe the local regulations for environmentally appropriate disposal of electronic modules. SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 50: Replacing The Previous Series Se-Power With The Se-Power Fs

    8.3.2 SE-Power FS Devices of the SE-Power FS series feature, in combination with the SE-Power FS Safety Module, have the safety function STO “Safe Torque Off” in accordance with EN 61800-5-2 SIL3, and/or EN ISO 13849-1, Cat.
  • Page 51: Information For Configuration

    8.3.4 Information for configuration The SE-Power FS exhibits a higher performance than the SE-Power. Use of this feature represents an essential modification to the machine. Note The parameter set of the SE-Power must be transferred with the same values to the parameter block of the SE-Power FS.
  • Page 52: Table 14: Technical Data: Safety Indicators

    The functional safety equipment of the product was certified by an independent testing authority in accordance with section 3.1.4, see EC product type test certificate. Certificate-issuing authority TÜV 01/205/5443.00/15 Reliable component Table 15: Technical data: Safety specifications SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 53: Table 16: Technical Data: Mechanical

    Note on materials RoHS- compliant Table 16: Technical data: Mechanical Certifications (SE-Power FS Safety Module STO for servo drives SE-Power FS) CE marking In accordance with EU EMC Directive In accordance with EU machine directive The device is intended for industrial use. Measures for interference suppression may need to be implemented in residential areas.
  • Page 54: Table 18: Technical Data: Transport

    By means of ambient atmosphere in the servo drive, no forced ventilation Permissible setup altitude [m] < 2000 (above sea level) Protection class IP20 (mounted in the SE-Power FS). Relative air humidity up to 90 %, non-condensing Air humidity Degree of contamination The integrated safety equipment requires compliance with...
  • Page 55: Table 21: Technical Data: Electrical For Ports Sto-A And Sto-B

    [ms] 4,0 8,5 9,5 (STO-A/B_OFF) [ms] 2,0 2,0 2,0 Maximum tolerance time for 5,5 6,0 test pulse at 24 V signal Table 22: Typical switch-off time and minimum tolerance time for test pulse (OSSD signals) SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 56: Table 23: Technical Data: Electrical Data Of The Feedback Contact C1/C2

    Technical data: Electrical data of the auxiliary supply output Electrical isolation Electrically isolated potential ranges STO-A / 0V-A STO-B / 0V-B C1 / C2 24V / 0V (Logic supply to the servo drive) Table 25: Technical data: Electrical isolation [X40] SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 57: Table 26: Technical Data: Cabling To [X40]

    Cable cross section (flexible conductors, wire end sleeve with insulating collar) 0,25 … 0,5 One conductor mm² Two conductors mm² 2 x 0,25 (with twin wire end sleeves) 0,22 … 0,25 Tightening torque M2 [Nm] Table 26: Technical data: Cabling to [X40] SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 58: Table 27: Terms And Abbreviations

    Maximum SIL that can be required from a sub-system. Safe Stop 1, according to EN 61800-5-2. Safe Torque Off in accordance with EN 61800-5-2. Duration of use in accordance with EN ISO 13849-1. Table 27: Terms and abbreviations SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 59 SE-Power FS STO-manual vers. 1.6 en.12.08.2015...
  • Page 60 Afag Automation AG Fiechtenstrasse 32 4950 Huttwil Schweiz +41 (0)62 – 959 86 86 Tel.: +41 (0)62 – 959 87 87 Fax.: e-mail: sales@afag.com Internet: www.afag.com...

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