Pilz PNOZ s4 Operating Manual
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Pilz PNOZ s4 Operating Manual

Safety relay
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PNOZ s4
Operating Manual-21396-EN-21
- Safety relays

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Summary of Contents for Pilz PNOZ s4

  • Page 1 PNOZ s4 Operating Manual-21396-EN-21 - Safety relays...
  • Page 2 We do assure you that all persons are regarded without discrim- ination and on an equal basis. All rights to this documentation are reserved by Pilz GmbH & Co. KG. Copies may be made for the user's internal purposes. Suggestions and comments for improving this documenta- tion will be gratefully received.

  • Page 3: Table Of Contents

    Unit types with UB 48 - 240 VAC/DC ..................9 Function description ......................10 Timing diagram .........................11 Installation ..........................11 Wiring ............................12 Preparing for operation ......................13 Operating modes........................13 Set operating modes .........................13 Connection ..........................14 Application examples ......................16 Operation ..........................19 Status indicators........................19 Error indicators..........................20 Operating Manual PNOZ s4 21396-EN-21...
  • Page 4 Safety characteristic data ......................35 Classification according to ZVEI, CB24I ................36 Supplementary data .......................37 Service life graph ........................37 Permitted operating height ......................41 Remove plug-in terminals .....................42 Order reference ........................42 EC declaration of conformity ....................42 UKCA-Declaration of Conformity ..................43 Operating Manual PNOZ s4 21396-EN-21...

  • Page 5: Introduction

    PNOZ s4 Introduction Validity of documentation This documentation is valid for the product PNOZ s4. It is valid until new documentation is published. This operating manual explains the function and operation, describes the installation and provides guidelines on how to connect the product.

  • Page 6: Safety

    If installed in other environments, measures should be taken to comply with the applicable standards and directives for the respective installation site with regard to in- terference. Operating Manual PNOZ s4 21396-EN-21...

  • Page 7: Safety Regulations

    Disposal In safety-related applications, please comply with the mission time T in the safety-related characteristic data. When decommissioning, please comply with local regulations regarding the disposal of electronic devices (e.g. Electrical and Electronic Equipment Act). Operating Manual PNOZ s4 21396-EN-21...

  • Page 8: For Your Safety

    The circuit is redundant with built-in self-monitoring. The safety function remains effective in the case of a component failure. The correct opening and closing of the safety function relays is tested automatically in each on-off cycle. Operating Manual PNOZ s4 21396-EN-21...

  • Page 9: Block Diagram/Terminal Configuration

    : 48 - 240 VAC/DC; Order no. 750134, 751134 Fig.: Centre: Front view with cover, right: Front view without cover *Insulation between the non-marked area and the relay contacts: Basic insulation (over- voltage category III), Protective separation (overvoltage category II) Operating Manual PNOZ s4 21396-EN-21...

  • Page 10: Function Description

    Dual-channel operation without detection of shorts across contacts: Redundant input cir- cuit, detects PNOZ s4 – earth faults in the start and input circuit, – short circuits in the input circuit and, with a monitored start, in the start circuit too.

  • Page 11: Timing Diagram

    The safety relay should be installed in a control cabinet with a protection type of at least IP54. Use the notch on the rear of the unit to attach it to a DIN rail (35 mm). Operating Manual PNOZ s4 | 11 21396-EN-21...

  • Page 12: Wiring

    If you connect contact expansion modules to a base unit with a universal power supply, you will need to limit the conventional thermal current at the contact expansion modules' safety contacts to 70 % of the stated current (see technical details for contact expansion module). Operating Manual PNOZ s4 | 12 21396-EN-21...

  • Page 13: Preparing For Operation

    Do not adjust the rotary switch during operation, otherwise an error mes- sage will appear, the safety contacts will open and the unit will not be ready for operation until the supply voltage has been switched off and then on again. Operating Manual PNOZ s4 | 13 21396-EN-21...

  • Page 14: Connection

    (only for unit types with = 24 VDC) NOTICE With single-channel wiring the safety level of your machine/plant may be lower than the safety level of the unit (see Safety characteristic data [ 35]). Operating Manual PNOZ s4 | 14 21396-EN-21...
  • Page 15 Unit types with U 24 VDC Unit types with U 48 - 240 VAC/DC *Connect together the 0V connections on all the external power supplies Legend S1/S2: E-STOP/safety gate switch S3: Reset button : Switch operated Operating Manual PNOZ s4 | 15 21396-EN-21...

  • Page 16: Application Examples

    6WDUW 9'& )HHGEDFN /RRS 3RZHU ,Q ,Q 312= V & 6WDUW PRGH 9'&  QR  )DXOW < 3,/= 312= V & 9'&  QR  QF Operating Manual PNOZ s4 | 16 21396-EN-21...
  • Page 17 6WDUW 9'& )HHGEDFN /RRS 3RZHU ,Q ,Q 312= V & 6WDUW PRGH 9'&  QR  )DXOW < 3,/= 312= V & 9'&  QR  QF Operating Manual PNOZ s4 | 17 21396-EN-21...
  • Page 18 Automatic start with feedback loop monitoring 9'& 266' 266' )HHGEDFN /RRS 3RZHU ,Q ,Q 312= V & 6WDUW PRGH 9'&  QR  )DXOW < 3,/= 312= V & 9'&  QR  QF Operating Manual PNOZ s4 | 18 21396-EN-21...

  • Page 19: Operation

    Supply voltage is present. Input circuit at S12 is closed. Input circuit at S22 is closed. Safety contacts are closed and semiconductor output Y32 carries a high signal. START 24 VDC is present at S34. Operating Manual PNOZ s4 | 19 21396-EN-21...

  • Page 20: Error Indicators

    Remedy: Open S11-S12 and S21-S22 simultaneously and then close again. FAULT Diagnostics: Power-up blocked due to short-term interruption at S22; channels in the input circuit not opened simultaneously. Remedy: Open S11-S12 and S21-S22 simultaneously and then close again. Operating Manual PNOZ s4 | 20 21396-EN-21...

  • Page 21: Faults - Malfunctions

    "mode". Faults - malfunctions Contact malfunctions: If the contacts have welded, reactivation will not be possible after the input circuit has opened. Dimensions in mm *with spring-loaded terminals Operating Manual PNOZ s4 | 21 21396-EN-21...

  • Page 22: Technical Details Order No. 750104, 750134, 751104

    15 ms Current pulse, start cir- cuit 0,2 A 0,2 A 0,2 A Pulse duration, start circuit 15 ms 15 ms 15 ms Min. input resistance at power-on 110 Ohm 110 Ohm 110 Ohm Operating Manual PNOZ s4 | 22 21396-EN-21...
  • Page 23 Number of output con- tacts Safety contacts (N/O), instantaneous Auxiliary contacts (N/C) 1 Max. short circuit current 1 kA 1 kA 1 kA Utilisation category in accordance with the standard EN 60947-4-1 EN 60947-4-1 EN 60947-4-1 Operating Manual PNOZ s4 | 23 21396-EN-21...
  • Page 24 240 V AC G.U. (same po- 240 V AC G.U. (same po- Voltage larity) larity) larity) with current Voltage 24 V DC G. U. 24 V DC G. U. 24 V DC G. U. with current Operating Manual PNOZ s4 | 24 21396-EN-21...
  • Page 25 3 contacts – 4,5 A – Ith per contact at UB DC; AC1: 240 V, DC1: 24 V Conv. therm. current with 1 contact Conv. therm. current with 2 contacts Conv. therm. current with 3 contacts 4,5 A Operating Manual PNOZ s4 | 25 21396-EN-21...
  • Page 26 EN 60068-2-78 Ambient temperature Temperature range -10 - 55 °C -10 - 55 °C -10 - 55 °C Storage temperature Temperature range -40 - 85 °C -40 - 85 °C -40 - 85 °C Operating Manual PNOZ s4 | 26 21396-EN-21...
  • Page 27 – 2 core with the same cross section, flexible without crimp connect- ors or with TWIN crimp 0,2 - 1,5 mm², 24 - 16 0,2 - 1,5 mm², 24 - 16 connectors – Operating Manual PNOZ s4 | 27 21396-EN-21...
  • Page 28 100 mm Width 22,5 mm 22,5 mm 22,5 mm Depth 120 mm 120 mm 120 mm Weight 185 g 210 g 185 g Where standards are undated, the 2022-09 latest editions shall apply. Operating Manual PNOZ s4 | 28 21396-EN-21...

  • Page 29: Technical Details Order No. 751134, 751184

    Pulse duration, feedback loop 15 ms 15 ms Current pulse, start circuit 0,2 A 0,2 A Pulse duration, start circuit 15 ms 15 ms Min. input resistance at power-on 110 Ohm 110 Ohm Operating Manual PNOZ s4 | 29 21396-EN-21...
  • Page 30 0,04 VA Max. power 1500 VA 1500 VA DC1 at 24 V 24 V Min. current 0,003 A 0,003 A Max. current Min. power 0,04 W 0,04 W Max. power 150 W 150 W Operating Manual PNOZ s4 | 30 21396-EN-21...
  • Page 31 EN 60947-5-1 EN 60947-5-1 Max. melting integral 66 A²s 260 A²s Blow-out fuse, quick 10 A Blow-out fuse, slow Blow-out fuse, gG 10 A Circuit breaker 24V AC/DC, characteristic B/C Operating Manual PNOZ s4 | 31 21396-EN-21...
  • Page 32 50 ms 50 ms with monitored start with falling edge typ. 55 ms 55 ms with monitored start with falling edge max. 70 ms 70 ms Operating Manual PNOZ s4 | 32 21396-EN-21...
  • Page 33 Pollution degree Rated insulation voltage 250 V 250 V Rated impulse withstand voltage 4 kV 4 kV Protection type Housing IP40 IP40 Terminals IP20 IP20 Mounting area (e.g. control cab- inet) IP54 IP54 Operating Manual PNOZ s4 | 33 21396-EN-21...
  • Page 34 9 mm Dimensions Height 100 mm 100 mm Width 22,5 mm 22,5 mm Depth 120 mm 120 mm Weight 210 g 190 g Where standards are undated, the 2022-09 latest editions shall apply. Operating Manual PNOZ s4 | 34 21396-EN-21...

  • Page 35: Safety Characteristic Data

    A safety function's SIL/PL values are not identical to the SIL/PL values of the units that are used and may be different. We recommend that you use the PAScal software tool to calculate the safety function's SIL/PL values. Operating Manual PNOZ s4 | 35 21396-EN-21...

  • Page 36: Classification According To Zvei, Cb24I

    Relay outputs Interfaces Source Interface Module Class Drain Interface Actuator Class Source parameters Min. switching voltage 12 V Max. switching voltage 250 V Min. switching current 0,003 A Max. switching current Potential isolation Operating Manual PNOZ s4 | 36 21396-EN-21...

  • Page 37: Supplementary Data

    The wear is mainly caused by the electrical load; the mechanical load is negli- gible. Unit types with UB 24 VDC : 24 VDC; Order no. 750104, 751104, 751184 Switching current (A) Fig.: Service life graphs at 24 V DC and 230 V AC Operating Manual PNOZ s4 | 37 21396-EN-21...
  • Page 38 To increase the service life, sufficient spark suppression must be provided on all output contacts. With capacitive loads, any power surges that occur must be noted. With DC con- tactors, use flywheel diodes for spark suppression. Operating Manual PNOZ s4 | 38 21396-EN-21...
  • Page 39 DC-13: 24V DC-13: 24V 3 4 5 6 8 10 Switching current (A) Fig.: Service life graphs at 24 VDC and 230 VAC Switching current (A) Fig.: Service life graphs at 110 VDC Operating Manual PNOZ s4 | 39 21396-EN-21...
  • Page 40 To increase the service life, sufficient spark suppression must be provided on all relay con- tacts. With capacitive loads, any power surges that occur must be noted. With DC contact- ors, use flywheel diodes for spark suppression. Operating Manual PNOZ s4 | 40 21396-EN-21...

  • Page 41: Permitted Operating Height

    From an operating height of 2000 m the max. permitted ambient temperature is reduced by 0.5 °C/100 m Operating height Permitted ambient temperature 3000 m 50 °C 4000 m 45 °C 5000 m 40 °C Operating Manual PNOZ s4 | 41 21396-EN-21...

  • Page 42: Remove Plug-In Terminals

    European Parliament and of the Council. The complete EC Declaration of Conformity is available on the Internet at www.pilz.com/downloads. Authorised representative: Norbert Fröhlich, Pilz GmbH & Co. KG, Felix-Wankel-Str. 2, 73760 Ostfildern, Germany Operating Manual PNOZ s4...

  • Page 43: Ukca-Declaration Of Conformity

    This product(s) complies with following UK legislation: Supply of Machinery (Safety) Regu- lation 2008. The complete UKCA Declaration of Conformity is available on the Internet at www.pilz.com/ downloads. Representative: Pilz Automation Technology, Pilz House, Little Colliers Field, Corby, Northamptonshire, NN18 8TJ United Kingdom, eMail: mail@pilz.co.uk Operating Manual PNOZ s4 | 43...
  • Page 44 We are represented internationally. Please refer to our homepage www.pilz.com for further details or contact our headquarters. Headquarters: Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: info@pilz.com, Internet: www.pilz.com...

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Pnoz s4 c750104750134751104751134751184

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