Pilz PNOZ 2 Operating Manual
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Pilz PNOZ 2 Operating Manual

Safety relay
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Safety relays
Operating Manual-22151-EN-05

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Summary of Contents for Pilz PNOZ 2

  • Page 1 PNOZ 2 Safety relays Operating Manual-22151-EN-05...
  • 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 2 22151-EN-05...

  • Page 4: Introduction

    PNOZ 2 Introduction Validity of documentation This documentation is valid for the product PNOZ 2. 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 2 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 2 22151-EN-05...

  • Page 7: Unit Features

    Block diagram/terminal configuration T11 T12 23 33 41 A1 A2 T33 T34 14 24 34 42 *Insulation between the non-marked area and the relay contacts: Basic insulation (over- voltage category III), Protective separation (overvoltage category II) Operating Manual PNOZ 2 22151-EN-05...

  • Page 8: Function Description

    PNOZ 2 Function Description The safety relay PNOZ 2 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 feedback loop X1-X2 and the start circuit T33-T34 are closed.

  • Page 9: Installation

     / km = cable resistance/km Calculating the max. cable length I in the input circuit with unit types 110 VAC and 230 VAC: = max. overall cable capacitance (see Technical details [ 13]) lmax  / km = cable capacitance/km Operating Manual PNOZ 2 22151-EN-05...

  • Page 10: Preparing For Operation

    Ensure the wiring and EMC requirements of EN 60204-1 are met. Preparing for operation Supply voltage Input circuit Single-channel Dual-channel E-STOP Safety gate Start circuit Automatic start Manual start E-STOP wiring/safety gate (single- channel) Minimum duty cycle: 200 ms Operating Manual PNOZ 2 22151-EN-05...

  • Page 11: Operation

    SIL CL 2/PL d at least 1x per year NOTICE The safety function should be checked after initial commissioning and each time the plant/machine is changed. The safety functions may only be checked by qualified personnel. Operating Manual PNOZ 2 22151-EN-05...

  • Page 12: Status Indicators

    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") 90 (3.54") 87 (3.42") Operating Manual PNOZ 2 22151-EN-05...

  • Page 13: Technical Details

    240 V Min. current 0,01 A 0,01 A Max. current Max. power 2000 VA 2000 VA DC1 at 24 V 24 V Min. current 0,01 A 0,01 A Max. current Max. power 200 W 200 W Operating Manual PNOZ 2 22151-EN-05...
  • Page 14 In accordance with the standard EN 60947-5-1 EN 60947-5-1 Max. melting integral 240 A²s 240 A²s Blow-out fuse, quick 10 A 10 A Blow-out fuse, slow Blow-out fuse, gG 10 A 10 A Circuit breaker 24V AC/DC, characteristic B/C Operating Manual PNOZ 2 22151-EN-05...
  • Page 15 EN 60947-5-1, EN 61000-6-2, EN EN 60947-5-1, EN 61000-6-2, EN 61326-3-1 61326-3-1 Vibration In accordance with the standard EN 60068-2-6 EN 60068-2-6 Frequency 10 - 55 Hz 10 - 55 Hz Amplitude 0,35 mm 0,35 mm Operating Manual PNOZ 2 22151-EN-05...
  • Page 16 500 g 500 g Where standards are undated, the 2017-01 latest editions shall apply. Order no. 775830 -775850 General 775830 775850 CCC, EAC (Eurasian), TÜV, cU- CCC, EAC (Eurasian), TÜV, cU- Approvals Lus Listed Lus Listed Operating Manual PNOZ 2 22151-EN-05...
  • Page 17 240 V Min. current 0,01 A 0,01 A Max. current Max. power 2000 VA 2000 VA DC1 at 24 V 24 V Min. current 0,01 A 0,01 A Max. current Max. power 200 W 200 W Operating Manual PNOZ 2 22151-EN-05...
  • Page 18 775850 Switch-on delay With automatic start typ. 150 ms 150 ms With automatic start max. 250 ms 250 ms With manual start typ. 150 ms 150 ms With manual start max. 250 ms 250 ms Operating Manual PNOZ 2 22151-EN-05...
  • Page 19 Mounting position Mechanical life 10,000,000 cycles 10,000,000 cycles Material Bottom PPO UL 94 V0 PPO UL 94 V0 Front ABS UL 94 V0 ABS UL 94 V0 PPO UL 94 V0 PPO UL 94 V0 Operating Manual PNOZ 2 22151-EN-05...

  • 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 2 22151-EN-05...

  • 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 2 22151-EN-05...

  • 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 2...
  • Page 23 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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