Nord Drivesystems SK 500P Series Supplementary Manual
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Nord Drivesystems SK 500P Series Supplementary Manual

Nord Drivesystems SK 500P Series Supplementary Manual

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BU 0630 – en
Functional Safety
Supplementary manual for series SK 500P

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Summary of Contents for Nord Drivesystems SK 500P Series

  • Page 1 BU 0630 – en Functional Safety Supplementary manual for series SK 500P...
  • Page 2 Functional Safety – Supplementary manual for series SK 500P BU 0630 en-2020...
  • Page 3 1 Introduction BU 0630 en-2020...

  • Page 4: Table Of Contents

    Functional Safety – Supplementary manual for series SK 500P Pos : 3 /Allgemei n/Steuermodule/Inhaltsv erzeic hnis @ 0\mod_1317978518480_388.docx @ 4078 @ @ 1 Table of Contents === Ende der Liste für T extm arke Inhaltsv erz eichnis === Introduction ..............................6 General ..............................
  • Page 5 1 Introduction Operating status messages ........................48 Additional information ..........................51 Protective switching devices ......................51 7.1.1 Output voltage of safety devices ..................51 7.1.2 Switching capacity and current load ................... 51 7.1.3 OSSD outputs, test pulses ....................53 Safety categories ..........................54 7.2.1 IEC 60204-1:2016 ......................

  • Page 6: Introduction

    Functional Safety – Supplementary manual for series SK 500P 1 Introduction Pos : 7 /Anl eitung en/El ektr onik /Bussys tem e/Alle Baur eihen/1. (1.)Ei nleitung/!Absc hnitt Allgemei nes @ 8\mod_1441352725095_388.docx @ 2235719 @ 2 @ 1 1.1 General Pos : 11 /Anl eitungen/Elek tronik/Safety/1. Einl eitung/D ok umentati on (safety) [SK 5xx P] @ 44\m od_1593165143738_388.doc x @ 2638668 @ 3 @ 1 1.1.1 Documentation Designation: BU 0630...

  • Page 7: About This Manual

    1 Introduction Pos : 17 /Anl eitungen/Elek tronik/Safety/1. Einl eitung/Z u diesem Handbuch [Safety] @ 16\mod_1487169353324_388.docx @ 2327660 @ 3 @ 1 1.1.3 About this manual This manual is intended to help you with the commissioning of the Safe Stop function (STO or SS1-t) with a frequency inverter from Getriebebau NORD GmbH &...
  • Page 8 Functional Safety – Supplementary manual for series SK 500P These safety instructions must be kept in a safe place! Pos : 26 /Anl eitungen/Elek tronik/FU und Starter/1. Allgemei nes/Sicherheits- und Installati onshi nweis e und War n- Gefahr enhinw eis e/neu/Sic her heits- und Installationshi nw eise - Ei nz elpunk te/1. Allgemei n (Sic herheits hinw eise) [SK 2xx E, SK 1xxE] @ 19\m od_1508746494449_388.doc x @ 2368636 @ @ 1 1.
  • Page 9 1 Introduction 3. Correct purpose of use – general The frequency inverters are devices for industrial and commercial systems used for the operation of three-phase asynchronous motors with squirrel-cage rotors and Permanent Magnet Synchronous Motors – PMSM. These motors must be suitable for operation with frequency inverters, other loads must not be connected to the devices.
  • Page 10 Functional Safety – Supplementary manual for series SK 500P The electrical installation must be implemented according to the applicable regulations (e.g. cable cross-section, fuses, earth lead connections). Further instructions can be found in the documentation or manual for the device. Information regarding EMC-compliant installation such as shielding, earthing, location of filters and routing of cables can be found in the documentation for the devices and in the technical information manual...

  • Page 11: Function Description

    2 Function description 2 Function description Pos : 40 /Anl eitungen/Elek tronik/Safety/3. F unkti ons besc hrei bung/F unk tions bes chr eibung _02 @ 15\mod_1484812747040_388.docx @ 2312945 @ @ 1 To avoid danger to persons and to prevent damage to material, machines must be able to be switched off safely.

  • Page 12: Safe Shut-Down Methods

    Pos : 48 /Anl eitungen/Elek tronik/Safety/3. F unkti ons besc hrei bung/Sic here Absc haltw ege_01 [SK 500P] @ 40\mod_1574333326841_388.docx @ 2577707 @ 2 @ 1 2.2 Safe shut-down methods Two safe shut-down methods are available for SK 500P series frequency inverters: 1. SK 510P and SK 540P are equipped with a permanently installed safety module.

  • Page 13: Safety Digital Input

    2 Function description SK 510P, SK 540P For this, either the VIS_24V or VIS_0V contact may be disconnected from the 24 V voltage source. Preferably, the VIS_24V contact is disconnected. SK 530P, SK 550P with SK CU5-STO or SK CU5-MLT This variant has a dual-channel input circuit.

  • Page 14: Safety Functions

    Functional Safety – Supplementary manual for series SK 500P SK 510P, SK 540P In this case the Safety Digital Input with contact VISD_24V has the reference potential GND. This is the same reference potential as for all other analogue and digital inputs and outputs of the frequency inverter.

  • Page 15: Safe Stop 1 With Time Control, Ss1-T

    Pos : 72 /Anl eitungen/Elek tronik/Safety/3. F unkti ons besc hrei bung/Sic herheitsfunkti onen_Sicherer Stopp mit Z eitsteuer ung, SS1-t [SK 500P] @ 40\m od_1574336646834_388.doc x @ 2578141 @ 3 @ 1 2.3.2 Safe stop 1 with time control, SS1-t SK 500P series frequency inverters support implementation of the SS1 function in the variant SS1-t (safe stop 1 with time control).
  • Page 16 Functional Safety – Supplementary manual for series SK 500P SK 510P, SK 540P Supply voltage Reset circuit Input circuit with cross-circuit detection Safety output SK 530P, SK 550P with SK CU5-STO or SK CU5-MLT Supply voltage Reset circuit Input circuit with cross-circuit detection 2 x safety output with a common reference (GND) BU 0630 en-2020...
  • Page 17 2 Function description If the Safe Pulse Block is triggered for an enabled frequency inverter, this results in the error E018 (18.0 “Safety circuit”). To prevent this, the Safety Digital Input can additionally be used with the Voltage Disable function (P424 = 1). The typical response time can be reduced by additional use of the Safety Digital Input.
  • Page 18 Functional Safety – Supplementary manual for series SK 500P SK 530P, SK 550P with SK CU5-STO or SK CU5-MLT Supply voltage Reset circuit Input circuit with cross-circuit detection Safety output 2 x safety output with a common reference (GND) A separate shielded cable must be used to connect each of the safety outputs. However, with the use of a protective switching device with cross-circuit monitoring of OSSD outputs, the cables of both safety outputs can also be run in a common shielded cable.

  • Page 19: Ss1-T Function

    2 Function description Pos : 96 /Anl eitungen/Elek tronik/Safety/3. F unkti ons besc hrei bung/Beis piel e / Realisier ung/F unkti on SS1-t [SK 500P] @ 44\mod_1594209009459_388.docx @ 2643823 @ 3 @ 1 2.4.2 SS1-t function The Safety Digital Input with the Quick Stop function (P424 = 2) is always required to implement the function SS1-t.
  • Page 20 STO function. This also applies in the case of failure of the controlled stopping action. SK 500P series frequency inverters are equipped with additional control which is set via the “Safety SS1 max. time” parameter (P423). If the motor is not stopped within the “Safety SS1 max time”...

  • Page 21: Simple Re-Start Block

    2 Function description Pos : 104 /Anleitungen/El ektr onik /Safety /3. F unktions beschr eibung/Beispi ele / R ealisierung/Ei nfac he Wieder anl aufs perre_01 @ 44\m od_1594730617062_388.docx @ 2645587 @ 3 @ 1 2.4.3 Simple re-start block Category 4 as per DIN EN ISO 13849-1 can be achieved with direct dual-channel triggering of the Safe Pulse Block using a safe switching element.

  • Page 22: Example Without Safe Pulse Block

    Functional Safety – Supplementary manual for series SK 500P In this example, there is no reset circuit as is the case with the protective switching devices. If the result of risk analysis shows that cancellation of the stop command must be acknowledged by a deliberate manual action, the resetting requirements can be fulfilled organisationally (e.g.
  • Page 23 2 Function description SK 510P, SK 540P Emergency stop Safety switching device Shielded Frequency inverter button cables Use of a digital input Reset Shielded cables to exclude faults as per DIN EN ISO 13849-2 Supply voltage Reset circuit Input circuit with cross-circuit detection Safety output BU 0630 en-2020...
  • Page 24 Functional Safety – Supplementary manual for series SK 500P SK 530P, SK 550P with SK CU5-STO or SK CU5-MLT Emergency stop Safety switching device Shielded Frequency inverter button cables Use of a digital input Reset Shielded cables to exclude faults as per DIN EN ISO 13849-2 Supply voltage Reset circuit Input circuit with cross-circuit detection...

  • Page 25: Exclusion Of Wiring Faults

    2 Function description Pos : 113 /Anleitungen/El ektr onik /Safety /3. F unktions beschr eibung/Beispi ele / R ealisierung/F ehl eraussc hluss für die Verdr ahtung_01 [SK 500P] @ 40\mod_1580804699343_388.docx @ 2588437 @ 3 @ 1 2.4.5 Exclusion of wiring faults In the examples above, a separate shielded cable, with the shield connected at both ends is used for each of the inputs which are used to implement the safety function (also refer to the following illustration).
  • Page 26 Functional Safety – Supplementary manual for series SK 500P Pos : 118 /Anleitungen/El ektr onik /Safety /3. F unktions beschr eibung/Beispi ele / R ealisierung/F ehl eraussc hluss für die Verdr ahtung_02 [SK 5xx P] @ 44\mod_1594731666736_388.docx @ 2645701 @ @ 1 SK 510P, SK 540P SK30P, SK 550P with SK CU5-STO or SK CU5-MLT...
  • Page 27 2 Function description Monitored outputs SK 510P, SK 540P SK30P, SK 550P with SK CU5-STO or SK CU5-MLT Safety output on the Connecting Frequency inverter Safety output on the Connecting cables Frequency inverter protective switching cables protective switching device device Use of Safe Pulse Use of Safe Pulse Block...

  • Page 28: Assembly And Installation

    Functional Safety – Supplementary manual for series SK 500P 3 Assembly and installation The installation instructions contained in this manual only deal with issues that are related to functional safety. For further information, please refer to the manual for the relevant frequency inverter (BU 0600).

  • Page 29: Electrical Connection

    3 Assembly and installation Remove the control Remove the STO Install the SK CU5-STO Install the control terminals and blank contact jumper. customer unit. terminals and blank cover. cover. Pos : 126 /Anleitungen/El ektr onik /Safety /4. M ontage und Installation/Elek trischer Ansc hl uss _01 @ 15\mod_1485429904375_388.docx @ 2316246 @ 2 @ 1 3.2 Electrical connection The information for installation or electrical connection from the manual BU 0600 as well as all of the following information must be observed.
  • Page 30 Functional Safety – Supplementary manual for series SK 500P NOTICE! Operation in IT networks If a mains fault (short-circuit to earth) occurs in an IT network, the link circuit of a connected frequency inverter may become charged, even if it is switched off. This results in destruction of the link circuit capacitors due to overcharging.

  • Page 31: Control Cable Connections

    3 Assembly and installation Pos : 136 /Anleitungen/El ektr onik /Safety /4. M ontage und Installation/Ans chl uss Steuerlei tungen @ 15\m od_1485430664316_388.docx @ 2316282 @ 3 @ 1 3.2.3 Control cable connections Pos : 169 /Anleitungen/El ektr onik /Safety /4. M ontage und Installation/Ans chl uss Steuerlei tung [SK 500P] @ 44\m od_1594793783824_388.doc x @ 2645777 @ @ 1 The connection terminals for the Safe Pulse Block are located in various positions.

  • Page 32: Details Of The Safe Shut-Down Method

    Functional Safety – Supplementary manual for series SK 500P Plug-in interface SK CU5-STO or SK CU5-MLT The STO function is implemented with dual channels. For a single channel version the inputs VIS1_24V and VIS2_24V must be connected in parallel. For the SS1-t function, the Quick Stop function must be triggered via the Safety Digital Input. Only the digital input VISD_24V with terminal number 94 must be used for this.

  • Page 33: Individual Operation

    3 Assembly and installation The Safe Pulse Block and the Safety Digital Input are specially designed for use with an OSSD. The cable resistance and capacitance of the cable used must be taken into consideration. 3.3.2.1 Individual operation Different maximum cable resistances for the Safe Pulse Block result from the rated voltage, power and pulse frequency of the frequency inverter.

  • Page 34: Multiple Device Operation

    Functional Safety – Supplementary manual for series SK 500P The value C is determined as follows: C = 4 nF * t / 0.1 ms where t = Width of the test pulse, max. 0.5 ms OSSD OSSD Additional restrictions may apply with regard to the protective switching device. 3.3.2.2 "Multiple device operation"...

  • Page 35: Emc

    3 Assembly and installation Example Given: • Four 400 V SK 510P frequency inverters are connected to an electronic protective switching device. Two inverters have a power of 5.5 kW and two have a power of 2.2 kW. All the inverters are operated with a frequency of 6 kHz.

  • Page 36: Commissioning

    Functional Safety – Supplementary manual for series SK 500P 4 commissioning Pos : 213 /Anleitungen/El ektr onik /Safety /5. Inbetriebnahm e/Inbetriebnahme_Ei nleitung_01 [BU 0630] @ 44\m od_1594795636097_388.docx @ 2645851 @ @ 1 Only specific issues for functional safety during commissioning are considered in the following. All information relating to the device and its commissioning can be found in the operating manual for the frequency inverter BU 0600.

  • Page 37: Ss1-T Commissioning Steps

    4 commissioning Pos : 224 /Anleitungen/El ektr onik /Safety /5. Inbetriebnahm e/Inbetriebnahmesc hritte SS1_01 [SK 500P] @ 44\m od_1594796228021_388.docx @ 2646000 @ 2 @ 1 4.2 SS1-t commissioning steps • A safety output of the protective switching device is connected to the Safety Digital Input (see 2.2.2 "Safety Digital Input").
  • Page 38 Functional Safety – Supplementary manual for series SK 500P The ramp for controlled stopping results from the actual frequency, the “Quick stop time” (P426) and the “Maximum frequency” (P105), as well as the “Absolute mini. freq.” (P505). At the time t = 0, the Quick Stop is triggered via the Safety Digital Input.
  • Page 39 4 commissioning • In the event of an incorrect sequence, the following error messages occur: If the STO safety function is triggered via the Safe Pulse Block while the inverter is being controlled, the error message E018 (18.0 “Safety circuit”) is issued. If this occurs before the motor has been stopped, the stopping sequence is discontinued.

  • Page 40: Validation

    Functional Safety – Supplementary manual for series SK 500P Pos : 229 /Anleitungen/El ektr onik /Safety /5. Inbetriebnahm e/Vali dier ung [SK 500P] @ 44\m od_1594129217877_388.docx @ 2643580 @ 2 @ 1 4.3 Validation It is essential to demonstrate by validation that the requirements for intended special application are met.

  • Page 41: Parameters

    5 Parameters 5 Parameters The following only lists the specific parameters and display and setting options for the Functional Safety technology function. For a detailed overview of all available parameters, please refer to the frequency inverter manual BU 0600. Pos : 234 /Anleitungen/El ektr onik /Safety /6. Par ameter/INFORM ATION - Verlust der sicheren F unkti on [SK 500P] @ 44\mod_1594797388197_388.docx @ 2646038 @ @ 1 Information Loss of safe function Loading of a parameter set can prevent the Voltage Disable and Quick Stop functions of the Safety...

  • Page 42: Description Of Parameters

    Functional Safety – Supplementary manual for series SK 500P Pos : 236 /Anleitungen/El ektr onik /FU und Starter/5. Par ameter/Allgemei n/Par ameter bes chr eibung _01 [SK 1xx E, SK 2x xE, SK 2xx E-FDS, POSICON , Safety] @ 9\mod_1447147899292_388.docx @ 261908 @ 2 @ 1 5.2 Description of parameters Pos : 237 /Anleitungen/El ektr onik /FU und Starter/5.

  • Page 43: Control Terminals

    5 Parameters Pos : 241 /Anleitungen/El ektr onik /FU und Starter/5. Par ameter/Par ameter auflistung (P000 ...)/P400- P499/!Steuerklemm en P4xx [SK x xxE] @ 9\mod_1447148337256_388.docx @ 262037 @ 3 @ 1 5.2.1 Control terminals Pos : 249 /Allgem ein/Allgem eingültig e Module/---------Seitenumbr uc h k ompakt --------- @ 13\m od_1476369695906_0.doc x @ 2265495 @ @ 1 Pos : 250 /Anleitungen/El ektr onik /FU und Starter/5.
  • Page 44 Functional Safety – Supplementary manual for series SK 500P P426 Quick stop time Setting range 0... 320.00 sec Factory setting { 0.10 } Description Setting of the braking time for the quick stop function which can be triggered either via a digital input, the bus control, the keyboard or automatically in case of a fault.
  • Page 45 5 Parameters Pos : 265 /Anleitungen/El ektr onik /FU und Starter/5. Par ameter/Par ameter auflistung (P000 ...)/POSICON/Safety [Safety auß er SK 500P]/P400 bis P499 (POSICON/safety)/P434 - Digitalausgang F unk. [SK 500P] ##### "s afety" ##### @ 44\m od_1594884776933_388.docx @ 2646570 @ @ 1 P434 Digital out function Arrays...
  • Page 46 Functional Safety – Supplementary manual for series SK 500P P499 Safety CRC Setting range 0x0000.. 0xFFFF Factory setting { 0 } Description A CRC is necessary for saving the parameter which is relevant for the functional safety. NORDCON calculates the CRC automatically when this parameter is saved. If the CRC is input by any other method it must be calculated manually.

  • Page 47: Additional Parameters

    5 Parameters Pos : 279 /Anleitungen/El ektr onik /FU und Starter/5. Par ameter/Par ameter auflistung (P000 ...)/P500- P599/!Z us atz par ameter P5xx [SK xxx E] @ 9\m od_1447148400288_388.docx @ 262070 @ 3 @ 1 5.2.2 Additional parameters Pos : 280 /Anleitungen/El ektr onik /FU und Starter/5. Par ameter/Par ameter auflistung (P000 ...)/POSICON/Safety [Safety auß er SK 500P]/P500 bis P599 (POSICON/safety)/P506 - Auto Stör ungsquitt. ##### s afety ##### @ 15\m od_1486122466618_388.docx @ 2318614 @ @ 1 P506 Automatic fault acknowledgement Description...

  • Page 48: Operating Status Messages

    Functional Safety – Supplementary manual for series SK 500P 6 Operating status messages The majority of functions and operating data of the frequency inverter are continuously monitored and simultaneously compared with limit values. If a deviation is detected, the frequency inverter responds with a warning or an error message.
  • Page 49 6 Operating status messages Pos : 298 /Anleitungen/El ektr onik /Safety /7. M eldung en zum Betriebsz ustand/Fehl er E018 " Sic her heitskreis" [SK 500P] @ 44\mod_1594806764103_388.docx @ 2646451 @ @ 1 18.0 Safety circuit E018 The Safe Pulse Block safety circuit has triggered during release.
  • Page 50 Functional Safety – Supplementary manual for series SK 500P Switch-on block messages Display in the SimpleBox / Reason: Cause ControlBox Text in the ParameterBox • Remedy Group Details in P700 [-03] Pos : 302 /Anleitungen/El ektr onik /Safety /7. M eldung en zum Betriebsz ustand/I000 [SK 500P] @ 40\m od_1582029901130_388.docx @ 2590754 @ @ 1 Disable voltage from IO I000 The input which is parameterised with the function Disable...

  • Page 51: Additional Information

    7 Additional information 7 Additional information Pos : 312 /Anleitungen/El ektr onik /Safety /8. Z us atzinform ati onen/6. Sicherheitss chaltger äte/!Sic her heitssc haltg eräte_01 (Ü bersc hrift) @ 15\mod_1486125780898_388.docx @ 2318684 @ 2 @ 1 7.1 Protective switching devices Pos : 313 /Anleitungen/El ektr onik /Safety /8.
  • Page 52 Functional Safety – Supplementary manual for series SK 500P Average input current For SK 510P, SK 540P: Application class Input voltage VIS_24V (91): 18 V 20 V 22 V 24 V 26 V 28 V 30 V 75 mA 69 mA 64 mA 61 mA 58 mA...

  • Page 53: Ossd Outputs, Test Pulses

    7 Additional information Pos : 323 /Anleitungen/El ektr onik /Safety /8. Z us atzinform ati onen/6. Sicherheitss chaltger äte/OSSD-Ausgänge, Tes tpuls e [SK 500P] @ 40\m od_1578901672922_388.docx @ 2582790 @ 3 @ 1 7.1.3 OSSD outputs, test pulses The OSSD signal must satisfy the following requirements: •...

  • Page 54: Safety Categories

    Functional Safety – Supplementary manual for series SK 500P In the section “Example of multiple device operation”, a minimum input voltage of ���� 21.1 ���� was Example ��������_24����,�������� ���� = 0.85 ms the minimum input voltage is increased by a further 1.0 V to ���� 22.1 ����.

  • Page 55: Iso 13849-1:2015

    7 Additional information Pos : 340 /Anleitungen/El ektr onik /Safety /8. Z us atzinform ati onen/7. Sicherheits einstufungen/ISO 13849- 1:2015_01 [SK 500P] @ 44\mod_1594804327625_388.docx @ 2646261 @ 3 @ 1 7.2.4 ISO 13849-1:2015 (German version EN ISO 13849-1:2016) The shut-down method Safe Pulse Block for implementation of the STO safety function meets the requirements of Performance Level e and category 4.

  • Page 56: Technical Data

    Functional Safety – Supplementary manual for series SK 500P 8 Technical Data Pos : 348 /Anleitungen/El ektr onik /Safety /10. Technisc he Daten/T ec hnisc he D aten_02 @ 17\mod_1488804807584_388.docx @ 2333179 @ @ 1 The Technical Data from the frequency inverter manual (BU 0600) apply! In deviation from this: Function Specification...
  • Page 57 8 Technical Data Response time ≤ 130 ms ≤ 140 ms ≤ 10 ms (time between input change from High to Low level and triggering of the safety sub-function.) Cycle time ≥ 1 s (time between two identical flanks at the input) Fault response time –...

  • Page 58: Appendix

    Functional Safety – Supplementary manual for series SK 500P 9 Appendix Pos : 362 /Anleitungen/El ektr onik /Safety /11. Anhang/Wartungshinw eis e @ 16\m od_1488441976364_388.docx @ 2331139 @ 2 @ 1 9.1 Maintenance information The maintenance information from the frequency inverter manual (BU 0600) apply. The information on long-term storage also apply for the Safe Pulse Block.

  • Page 59: Service And Commissioning Information

    9 Appendix Pos : 365 /Anleitungen/El ektr onik /Bussy steme/Alle Baureihen/9. ( 7.) Anhang/Servic e- und Inbetriebnahmehinw eis e [BU 2100 ... BU 2800, Safety, POSIC ON, PlC, CTT2] @ 32\m od_1553246313738_388.docx @ 2518584 @ 2 @ 1 9.3 Service and commissioning information In case of problems, e.g.

  • Page 60: Abbreviations

    Functional Safety – Supplementary manual for series SK 500P Pos : 375 /Anleitungen/El ektr onik /Safety /11. Anhang/Abk ürzungen @ 16\m od_1487168269925_388.docx @ 2327336 @ 2 @ 1 9.6 Abbreviations • AS-i AS-Interface • Braking resistor • Digital input • DOUT Digital output •...
  • Page 61 Key word index Pos : 377 /Allgem ein/Steuerm odule/Stichw ortv erzeic hnis @ 0\mod_1317978518730_388.docx @ 4101 @ @ 1 Key word index === Ende der Liste für T extm arke Stichw ortv erzeic hnis === Accompanying document ......58 Parameterisation of the safe digital input..41 Auto.
  • Page 62 Functional Safety – Supplementary manual for series SK 500P Technical Data ..........56 Validation ............40 BU 0630 en-2020...
  • Page 63 Key word index BU 0630 en-2020...

This manual is also suitable for:

Sk 510pSk 540pSk 530pSk 550p

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