Pilz PNOZ s3 Operating Manual
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Pilz PNOZ s3 Operating Manual

Safety relays
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Safety relays
Operating Manual-21395-EN-12

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  • Page 1 PNOZ s3 Safety relays Operating Manual-21395-EN-12...
  • Page 2 Preface This document is the original document. 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

    Installation Wiring Preparing for operation Operating modes Set operating modes Connection Operation Status indicators Error indicators Faults - malfunctions Dimensions in mm Technical Details Safety characteristic data Supplementary data Service life graph Permitted operating height Operating Manual PNOZ s3 21395-EN-12...
  • Page 4 Contents Remove plug-in terminals Order reference EC declaration of conformity Operating Manual PNOZ s3 21395-EN-12...

  • Page 5: Introduction

    PNOZ s3 Introduction Validity of documentation This documentation is valid for the product PNOZ s3. 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

    In order to achieve the re- quired safety level for the overall plant/machine, define the safety requirements for the plant/machine and then define how these must be implemented from a technical and organ- isational standpoint. Operating Manual PNOZ s3 21395-EN-12...

  • Page 7: Use Of Qualified Personnel

    Note for overvoltage category III: If voltages higher than low voltage (>50 VAC or >120 VDC) are present on the unit, connected control elements and sensors must have a rated insulation voltage of at least 250 V. Operating Manual PNOZ s3 21395-EN-12...

  • Page 8: Unit Features

    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 s3 21395-EN-12...

  • Page 9: Block Diagram/Terminal Configuration

    Single-channel operation: no redundancy in the input circuit, earth faults in the start circuit and input circuit are detected. Dual-channel operation without detection of shorts across contacts: Redundant input circuit, detects PNOZ s3 – earth faults in the start and input circuit, –...

  • Page 10: Timing Diagram

    Remove the plug terminator at the side of the base unit and at the contact expansion module. Connect the base unit and the contact expansion module to the supplied connector be- fore mounting the units to the DIN rail. Operating Manual PNOZ s3 21395-EN-12...

  • Page 11: Wiring

    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 s3 21395-EN-12...

  • Page 12: Set Operating Modes

    In2- In2+ In2- shorts across contacts Connection Supply voltage Input circuit Single-channel Dual-channel E-STOP without detection of shorts across contacts E-STOP with detection of shorts across contacts Safety gate without detection of shorts across contacts Operating Manual PNOZ s3 21395-EN-12...
  • Page 13 – The operating mode selector switch must be set to "Without detection of shorts across contacts", as shorts across contacts are detected by the ESPE. Operating Manual PNOZ s3 21395-EN-12...

  • Page 14: Operation

    Open the safety contacts (switch off output) and start the device again, so that the internal diagnostics can check that the safety contacts open correctly for SIL CL 3/PL e at least 1x per month for SIL CL 2/PL d at least 1x per year Operating Manual PNOZ s3 21395-EN-12...

  • Page 15: Status Indicators

    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. RESET 24 VDC is present at S34. Operating Manual PNOZ s3 21395-EN-12...

  • Page 16: Error Indicators

    Remedy: Open both input circuits, S12 and S22, simultaneously and then close again. FAULT Diagnostics: Power-up blocked due to short-term interruption at S22; input cir- cuits not operated simultaneously Remedy: Open both input circuits, S12 and S22, simultaneously and then close again. Operating Manual PNOZ s3 21395-EN-12...

  • Page 17: 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 98 (3.86") 17,5 (0.69") * 100 (3,94") Operating Manual PNOZ s3 21395-EN-12...

  • Page 18: Technical Details

    Dual-channel without detection of shorts across contacts at UB 60 Ohm 60 Ohm Dual-channel with detection of shorts across contacts at UB DC 30 Ohm 30 Ohm Semiconductor outputs 750103 751103 Number Voltage 24 V 24 V Operating Manual PNOZ s3 21395-EN-12...
  • Page 19 10 A 10 A Blow-out fuse, slow Blow-out fuse, gG 10 A 10 A Circuit breaker 24V AC/DC, characteristic B/C Conventional thermal current Contact material AgCuNi + 0,2 µm Au AgCuNi + 0,2 µm Au Operating Manual PNOZ s3 21395-EN-12...
  • Page 20 93 % r. h. at 40 °C 93 % r. h. at 40 °C Condensation during operation Not permitted Not permitted EN 60947-5-1, EN 61000-6-2, EN EN 60947-5-1, EN 61000-6-2, EN 61000-6-4, EN 61326-3-1 61000-6-4, EN 61326-3-1 Operating Manual PNOZ s3 21395-EN-12...
  • Page 21 Spring-loaded terminals: Terminal points per connection – Stripping length with spring-loaded terminals – 9 mm Dimensions Height 98 mm 100 mm Width 17,5 mm 17,5 mm Depth 120 mm 120 mm Weight 140 g 140 g Operating Manual PNOZ s3 21395-EN-12...

  • Page 22: 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 s3 21395-EN-12...

  • Page 23: Supplementary Data

    The service life graphs indicate the number of cycles from which failures due to wear must be expected. The wear is mainly caused by the electrical load; the mechanical load is negli- gible. Switching current (A) Fig.: Service life graphs at 24 V DC and 230 V AC Operating Manual PNOZ s3 21395-EN-12...
  • Page 24 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 s3 21395-EN-12...

  • Page 25: Permitted Operating Height

    From an operating height of 2000 m the max. permitted ambient temperature is re- duced 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 s3 21395-EN-12...

  • Page 26: 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. Representative: Norbert Fröhlich, Pilz GmbH & Co. KG, Felix-Wankel-Str. 2, 73760 Ost- fildern, Germany Operating Manual PNOZ s3...
  • Page 27 Back cover Support Technical support is available from Pilz round the clock. Americas Australia Scandinavia Brazil +61 3 95600621 +45 74436332 +55 11 97569-2804 Spain Canada Europe +34 938497433 +1 888-315-PILZ (315-7459) Austria Switzerland Mexico +43 1 7986263-0 +41 62 88979-30...

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