Pilz P2HZ X4P Operating Manual
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Pilz P2HZ X4P Operating Manual

Safety relay
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P2HZ X4P
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Safety relays
Operating Manual-20076-EN-08

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Summary of Contents for Pilz P2HZ X4P

  • Page 1 P2HZ X4P Safety relays Operating Manual-20076-EN-08...
  • 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 P2HZ X4P 20076-EN-08...

  • Page 4: Introduction

    P2HZ X4P Introduction Validity of documentation This documentation is valid for the product P2HZ X4P. 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 two-hand control relay P2HZ X4P meets the requirements of EN 574 Type III C. It forces a press operator to keep his hands out of the hazardous area during the dangerous closing movement, so avoiding hand injuries.

  • 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 P2HZ X4P 20076-EN-08...

  • Page 7: Unit Features

    The safety function remains effective in the case of a component failure. The circuit prevents a further press stroke in the case of: – Relay failure – Contact welding – Coil defect on a relay – Open circuit – Short circuit Operating Manual P2HZ X4P 20076-EN-08...

  • Page 8: Block Diagram/Terminal Configuration

    III), Protective separation (overvoltage category II) Types: AC : 24 VAC; Order no. 777354, 787354 *Insulation between the non-marked area and the relay contacts: Basic insulation (over- voltage category III), Protective separation (overvoltage category II) Operating Manual P2HZ X4P 20076-EN-08...

  • Page 9: Function Description

    P2HZ X4P Function Description The two-hand control relay P2HZ X4P is activated by simultaneously pressing the two oper- ator elements (simultaneity see Technical details [ 19]). If one or both of the operator elements are released, it interrupts the control command to close the press. The device is ready for operation when the supply voltage is applied and the feedback loop Y1-Y2 is closed.

  • Page 10: Installation

    You must maintain the minimum distance in accordance with EN ISO 13855. Depending on the application, serious injury or death may result. Operating Manual P2HZ X4P 20076-EN-08...

  • Page 11: Wiring

    Use copper wire that can withstand 60/75 °C. The supply voltage must be switched off with the operating energy of the machine. The connection cables between the P2HZ X4P and the pushbuttons should not be laid directly next to power cables, otherwise inductive and capacitive interference coupling can result.

  • Page 12: Preparing For 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 P2HZ X4P 20076-EN-08...

  • Page 13: Status Indicators

    Safety contacts of channel 2 are closed. Faults – Interference 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 P2HZ X4P 20076-EN-08...

  • Page 14: Technical Details

    Voltage at Input circuit DC 24 V 24 V 24 V 24 V Feedback loop 24 V 24 V 24 V 24 V Current at Feedback loop 25 mA 30 mA 25 mA 30 mA Operating Manual P2HZ X4P 20076-EN-08...
  • Page 15 230 V Max. current 2,5 A 2,5 A 2,5 A 2,5 A DC13 (6 cycles/ min) at 24 V 24 V 24 V 24 V Max. current 1,5 A 1,5 A 1,5 A 1,5 A Operating Manual P2HZ X4P 20076-EN-08...
  • Page 16 Blow-out fuse, gG 4 A Circuit breaker 24 V AC/DC, charac- teristic B/C Conventional thermal current AgSnO2 + 0,2 µm AgSnO2 + 0,2 µm AgSnO2 + 0,2 µm AgSnO2 + 0,2 µm Contact material Operating Manual P2HZ X4P 20076-EN-08...
  • Page 17 4 kV 4 kV 4 kV Protection type Housing IP40 IP40 IP40 IP40 Terminals IP20 IP20 IP20 IP20 Mounting area (e.g. control cab- inet) IP54 IP54 IP54 IP54 Mechanical data 777354 777355 787354 787355 Mounting position Operating Manual P2HZ X4P 20076-EN-08...
  • Page 18 22,5 mm 22,5 mm 22,5 mm 22,5 mm Depth 121 mm 121 mm 121 mm 121 mm Weight 215 g 210 g 215 g 210 g Where standards are undated, the 2017-09 latest editions shall apply. Operating Manual P2HZ X4P 20076-EN-08...

  • Page 19: Safety Characteristic Data

    Service life graph 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. Operating Manual P2HZ X4P 20076-EN-08...

  • Page 20: 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 P2HZ X4P...
  • Page 21 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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