Pilz PNOZ X3.1 Operating Manual
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Pilz PNOZ X3.1 Operating Manual

Safety relays
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Operating Manual-20133-EN-06

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  • Page 1 PNOZ X3.1 Safety relays Operating Manual-20133-EN-06...
  • 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

    Function Description Operating modes Timing diagram Installation Wiring Preparing for operation Operation Status indicators Faults – Interference Dimensions in mm Technical details Safety characteristic data Supplementary data Service life graph Order reference EC declaration of conformity Operating Manual PNOZ X3.1 20133-EN-06...

  • Page 4: Introduction

    PNOZ X3.1 Introduction Validity of documentation This documentation is valid for the product PNOZ X3.1. 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 5: Safety

    Safety Intended use The safety relay PNOZ X3.1 provides a safety-related interruption of a safety circuit. The safety relay meets the requirements of EN 60947-5-1, EN 60204-1 and VDE 0113-1 and may be used in applications with E-STOP pushbuttons...

  • Page 6: 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 X3.1 20133-EN-06...

  • Page 7: Unit Features

    The correct opening and closing of the safety function relays is tested automatically in each on-off cycle. Block diagram/terminal configuration *Insulation between the non-marked area and the relay contacts: Basic insulation (over- voltage category III), Protective separation (overvoltage category II) Operating Manual PNOZ X3.1 20133-EN-06...

  • Page 8: Function Description

    PNOZ X3.1 Function Description The safety relay PNOZ X3.1 provides a safety-oriented interruption of a safety circuit. When supply voltage is supplied the "POWER" LED is lit. The unit is ready for operation when the start circuit S13-S14 is closed.

  • Page 9: Timing Diagram

    Use the notch on the rear of the unit to attach it to a DIN rail (35 mm). When installed vertically: Secure the unit by using a fixing element (e.g. retaining bracket or end angle). Operating Manual PNOZ X3.1 20133-EN-06...

  • Page 10: Wiring

    Important for detection of shorts across contacts: As this function for detecting shorts across contacts is not failsafe, it is tested by Pilz during the final control check. If there is a danger of exceeding the cable length, we recommend the following test once the unit is installed: 1.

  • Page 11: Preparing For Operation

    Safety gate with detection of shorts across contacts 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 [ 20]). Operating Manual PNOZ X3.1 20133-EN-06...
  • Page 12 Feedback loop Automatic start Monitored start Contacts from external contactors 13 (23, 33) 14 (24, 34) Semiconductor output Legend S1/S2: E-STOP/safety gate switch S3: Reset button : Switch operated : Gate open : Gate closed Operating Manual PNOZ X3.1 20133-EN-06...

  • Page 13: Operation

    LED on POWER Supply voltage is present. CH.1 IN Channel 1 input circuit is closed. CH.2 IN Channel 2 input circuit is closed. Safety contacts are closed and semiconductor output Y32 carries a high signal. Operating Manual PNOZ X3.1 20133-EN-06...

  • Page 14: Faults - Interference

    Contact malfunctions: If the contacts have welded, reactivation will not be possible after the input circuit has opened. LED "POWER" does not light: Short circuit or no supply voltage. Dimensions in mm 75 (2.95") 87 (3.42") (1.77") Operating Manual PNOZ X3.1 20133-EN-06...

  • Page 15: Technical Details

    UB AC 30 Ohm 30 Ohm Semiconductor outputs 774321 774322 Number 24 V 24 V Voltage Current 20 mA 20 mA External supply voltage 24 V 24 V Voltage tolerance -20 %/+20 % -20 %/+20 % Operating Manual PNOZ X3.1 20133-EN-06...
  • Page 16 Max. current 24 V 24 V DC13 (6 cycles/min) at Max. current Utilisation category of auxiliary con- tacts AC15 at 230 V 230 V Max. current DC13 (6 cycles/min) at 24 V 24 V Max. current Operating Manual PNOZ X3.1 20133-EN-06...
  • Page 17 Conv. therm. current with 3 con- 6,5 A 6,5 A tacts Ith per contact at UB DC; AC1: 240 V, DC1: 24 V Conv. therm. current with 1 con- tact Conv. therm. current with 2 con- tacts Conv. therm. current with 3 con- tacts Operating Manual PNOZ X3.1 20133-EN-06...
  • Page 18 Airgap creepage In accordance with the standard EN 60947-1 EN 60947-1 Overvoltage category III / II III / II Pollution degree 250 V 250 V Rated insulation voltage Rated impulse withstand voltage 4 kV 4 kV Operating Manual PNOZ X3.1 20133-EN-06...
  • Page 19 Torque setting with screw terminals 0,6 Nm 0,6 Nm Dimensions Height 87 mm 87 mm 45 mm 45 mm Width Depth 121 mm 121 mm Weight 375 g 375 g Where standards are undated, the 2017-01 latest editions shall apply. Operating Manual PNOZ X3.1 20133-EN-06...

  • Page 20: 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 X3.1 20133-EN-06...

  • Page 21: Supplementary Data

    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 X3.1 20133-EN-06...

  • Page 22: Order Reference

    European Parliament and of the Council. The complete EC Declaration of Conformity is available on the Internet at www.pilz.com/support/downloads. Representative: Norbert Fröhlich, Pilz GmbH & Co. KG, Felix-Wankel-Str. 2, 73760 Ost- fildern, Germany Operating Manual PNOZ X3.1...
  • Page 23 Back cover Support Technical support is available from Pilz round the clock. Americas Australia Scandinavia +45 74436332 Brazil +61 3 95600621 +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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