Pilz PNOZ X2.8P Operating Manual
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Pilz PNOZ X2.8P Operating Manual

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PNOZ X2.8P
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Safety relays
Operating Manual-1004082-EN-20

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Summary of Contents for Pilz PNOZ X2.8P

  • Page 1 PNOZ X2.8P Safety relays Operating Manual-1004082-EN-20...
  • 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 ......................Operation ..........................Status indicators ........................Faults – Interference ......................Dimensions in mm ......................... Technical details ........................Safety characteristic data ......................Supplementary data ......................Service life graph ........................Operating Manual PNOZ X2.8P 1004082-EN-20...
  • Page 4 Contents Remove plug-in terminals ..................... Order reference ........................EC declaration of conformity ....................Operating Manual PNOZ X2.8P 1004082-EN-20...

  • Page 5: Introduction

    PNOZ X2.8P Introduction Validity of documentation This documentation is valid for the product PNOZ X2.8P. 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

    This gives advice on applications and provides information on special fea- tures. Safety Intended use The safety relay PNOZ X2.8P provides a safety-related interruption of a safety circuit. The safety relay meets the requirements of EN 60947-5-1 and EN 60204-1 and may be used in applications with: E-STOP pushbuttons...

  • 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 X2.8P 1004082-EN-20...

  • 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 X2.8P 1004082-EN-20...

  • Page 9: Block Diagram/Terminal Configuration

    : 24 – 240 VAC/DC; Order no. 777302, 787302 S11 S52 S21 S22 S12 S34 PNOZ X2.8P *Insulation between the non-marked area and the relay contacts: Basic insulation (over- voltage category III), Protective separation (overvoltage category II) Operating Manual PNOZ X2.8P 1004082-EN-20...

  • Page 10: Function Description

    Single-channel operation: No redundancy in the input circuit, earth faults in the start and input circuit are detected. Dual-channel operation without detection of shorts across contacts: Redundant input cir- cuit, detects PNOZ X2.8P – earth faults in the start and input circuit, – short circuits in the input circuit.

  • Page 11: Installation

    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 X2.8P | 11 1004082-EN-20...

  • Page 12: 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 runs, we recommend the following test after the installation of the device: 1.

  • Page 13: Preparing For Operation

    Safety gate with detection of shorts across contacts Light guards or safety switch, de- tection of shorts across contacts via ESPE (only when U = 24 VDC); Order no. 777301, 787301) Operating Manual PNOZ X2.8P | 13 1004082-EN-20...
  • Page 14 27]). NOTICE Operation with a light guard or safety switch It must not be possible to switch off the supply voltage for the PNOZ X2.8P separately from the supply voltage for the light guard or safety switch. Start circuit E-STOP wiring, safety gate...

  • Page 15: 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 X2.8P | 15 1004082-EN-20...

  • Page 16: 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 * with spring-loaded terminals Operating Manual PNOZ X2.8P | 16 1004082-EN-20...

  • Page 17: Technical Details

    24 V Current at Input circuit DC 30 mA 25 mA Start circuit DC 40 mA 50 mA Feedback loop DC 40 mA 50 mA Min. input resistance at power-on 88 Ohm 209 Ohm Operating Manual PNOZ X2.8P | 17 1004082-EN-20...
  • Page 18 1500 VA DC1 at 24 V 24 V Min. current 0,01 A 0,01 A Max. current Max. power 150 W 150 W Utilisation category In accordance with the standard EN 60947-5-1 EN 60947-5-1 Operating Manual PNOZ X2.8P | 18 1004082-EN-20...
  • Page 19 Ith per contact at UB AC; 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 3,5 A 4,5 A Operating Manual PNOZ X2.8P | 19 1004082-EN-20...
  • 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 X2.8P | 20 1004082-EN-20...
  • Page 21 8 mm Dimensions Height 94 mm 94 mm Width 22,5 mm 22,5 mm Depth 121 mm 121 mm Weight 185 g 210 g Where standards are undated, the 2020-07 latest editions shall apply. Operating Manual PNOZ X2.8P | 21 1004082-EN-20...
  • Page 22 UB 100 Ohm 80 Ohm Dual-channel with detection of shorts across contacts at UB DC 15 Ohm 15 Ohm Dual-channel with detection of shorts across contacts at UB AC 15 Ohm 15 Ohm Operating Manual PNOZ X2.8P | 22 1004082-EN-20...
  • Page 23 DC13 (6 cycles/min) at 24 V 24 V 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 X2.8P | 23 1004082-EN-20...
  • Page 24 3,5 A 4,5 A 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 4,5 A Operating Manual PNOZ X2.8P | 24 1004082-EN-20...
  • Page 25 Amplitude 0,35 mm 0,35 mm Airgap creepage In accordance with the standard EN 60947-1 EN 60947-1 Overvoltage category III / II III / II Pollution degree Rated insulation voltage 250 V 250 V Operating Manual PNOZ X2.8P | 25 1004082-EN-20...
  • Page 26 8 mm Dimensions Height 101 mm 101 mm Width 22,5 mm 22,5 mm Depth 121 mm 121 mm Weight 180 g 210 g Where standards are undated, the 2020-07 latest editions shall apply. Operating Manual PNOZ X2.8P | 26 1004082-EN-20...

  • Page 27: Safety Characteristic Data

    If the service life graphs are not accessible, the stated PFH value can be used irrespective of the switch frequency and the load, as the PFH value already considers the relay's B10d value as well as the failure rates of the other components. Operating Manual PNOZ X2.8P | 27 1004082-EN-20...

  • Page 28: Service Life Graph

    : 24 VAC/DC; Order no. 777301, 787301 Switching current (A) Fig.: Service life graphs at 24 V DC and 230 V AC Switching current (A) Fig.: Service life graphs at 110 V DC Operating Manual PNOZ X2.8P | 28 1004082-EN-20...
  • Page 29 AC-1: 230V AC-1: 230V AC-15: 230V AC-15: 230V DC-13: 24V DC-13: 24V 3 4 5 6 8 10 Switching current (A) Fig.: Service life graphs at 24 V DC and 230 V AC Operating Manual PNOZ X2.8P | 29 1004082-EN-20...
  • Page 30 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 X2.8P | 30 1004082-EN-20...
  • Page 31 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 X2.8P...
  • Page 32 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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