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Summary of Contents for Pilz PNOZ X7.1
- Page 1 PNOZ X7.1 Safety relays Operating Manual-21003-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.
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Page 3: Table Of Contents
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 X7.1 21003-EN-06... -
Page 4: Introduction
PNOZ X7.1 Introduction Validity of documentation This documentation is valid for the product PNOZ X7.1. 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
This gives advice on applications and provides information on special fea- tures. Safety Intended use The safety relay PNOZ X7.1 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 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 X7.1 21003-EN-06... -
Page 7: Unit Features
The correct opening and closing of the safety device relays is tested automatically in each on-off cycle. Block diagram/terminal configuration 13 21 14 22 *Insulation between the non-marked area and the relay contacts: Basic insulation (over- voltage category III), Protective separation (overvoltage category II) Operating Manual PNOZ X7.1 21003-EN-06... -
Page 8: Function Description
PNOZ X7.1 Function Description The safety relay PNOZ X7.1 provides a safety-oriented interruption of a safety circuit. When the supply voltage is applied via the E-STOP pushbutton, the “POWER” LED is lit. The unit is ready for operation when the start circuit and feedback loop Y1-Y2 is closed. -
Page 9: Installation
Do not switch low currents using contacts that have been used previously with high cur- rents. The power supply must comply with the regulations for extra low voltages with protective electrical separation (SELV, PELV) in accordance with VDE 0100, Part 410. Operating Manual PNOZ X7.1 21003-EN-06... -
Page 10: Preparing For Operation
The unit starts up automatically when the safeguard is reset, e.g. when the E-STOP pushbutton is released. Use external circuit measures to prevent an unexpected restart. Feedback loop Automatic start Manual start Contacts from external contactors Operating Manual PNOZ X7.1 | 10 21003-EN-06... -
Page 11: Operation
The safety functions may only be checked by qualified personnel. Status indicators LEDs indicate the status and errors during operation: LED on POWER Supply voltage is present. CH.1/CH.2 Safety contacts of channel 1 and 2 are closed. Operating Manual PNOZ X7.1 | 11 21003-EN-06... -
Page 12: 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") 22,5 87 (3.42") (0,89") Operating Manual PNOZ X7.1 | 12 21003-EN-06... -
Page 13: Technical Details
Single-channel at UB AC 15 Ohm Relay outputs Number of output contacts Safety contacts (N/O), instantaneous Auxiliary contacts (N/C) Max. short circuit current IK 1 kA Utilisation category In accordance with the standard EN 60947-4-1 Operating Manual PNOZ X7.1 | 13 21003-EN-06... - Page 14 External contact fuse protection, safety contacts In accordance with the standard EN 60947-5-1 Max. melting integral 240 A²s Blow-out fuse, quick Blow-out fuse, slow Blow-out fuse, gG Circuit breaker 24V AC/DC, characteristic B/C Operating Manual PNOZ X7.1 | 14 21003-EN-06...
- Page 15 10 - 55 Hz Amplitude 0,35 mm Airgap creepage In accordance with the standard EN 60947-1 Overvoltage category III / II Pollution degree Rated insulation voltage 250 V Rated impulse withstand voltage 4 kV Operating Manual PNOZ X7.1 | 15 21003-EN-06...
- Page 16 Torque setting with screw terminals 0,6 Nm Stripping length with screw terminals 8 mm Dimensions Height 87 mm Width 22,5 mm Depth 121 mm Weight 185 g Where standards are undated, the 2020-07 latest editions shall apply. Operating Manual PNOZ X7.1 | 16 21003-EN-06...
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Page 17: 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 X7.1 | 17 21003-EN-06... -
Page 18: Service Life Graph
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 X7.1... - Page 19 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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