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Summary of Contents for Pilz PNOZ s7.1
- Page 1 PNOZ s7.1 Safety relays Operating Manual-21865-EN-11...
- 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
........................Fault indicators ......................... Faults - malfunctions ......................Dimensions in mm ......................... Technical details ........................Safety characteristic data ......................Classification according to ZVEI, CB24I ................... Supplementary data ......................Service life graph ........................Permitted operating height......................Operating Manual PNOZ s7.1 21865-EN-11... - Page 4 Contents Remove plug-in terminals ..................... Order reference ........................EC declaration of conformity ....................Operating Manual PNOZ s7.1 21865-EN-11...
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Page 5: Introduction
PNOZ s7.1 Introduction Validity of documentation This documentation is valid for the product PNOZ s7.1. 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 6: Safety
Safety Intended use The contact expansion module PNOZ s7.1 meets the requirements of EN 60947-5-1 and EN 60204-1. It is used to increase the number of instantaneous safety contacts available on a base unit. Base units are all safety relays with feedback loop. -
Page 7: Use Of Qualified Personnel
250 V. Unit features Relay outputs: – 3 safety contacts (N/O), instantaneous Supply voltage for expansion modules LED for: – Supply voltage at B1 and B2 – Input status, channel 1 – Input status, channel 2 Operating Manual PNOZ s7.1 21865-EN-11... -
Page 8: Safety Features
The safety function remains effective in the case of a component failure. Earth fault in the feedback loop: Detected, depending on the base unit that is used. Earth fault in the input circuit: The output relays de-energise and the safety contacts open. Operating Manual PNOZ s7.1 21865-EN-11... -
Page 9: Block Diagram/Terminal Configuration
Dual-channel operation via PNOZsigma connector without PNOZsigma base unit: Single-channel operation: one input circuit affects the output relays Connection for base unit with PNOZsigma s7.2 expansion modules: Dual-channel operation and supply voltage via PNOZsigma connector Operating Manual PNOZ s7.1 21865-EN-11... -
Page 10: Timing Diagram
Connect the base unit and the contact expansion module using the connector supplied, before mounting the units to the DIN rail. Connect contact expansion module PNOZ s7.1 to PNOZsigma contact expansion modules Connect the contact expansion modules using the connector supplied. - Page 11 : Expansion module PNOZ s7, s8, s9, s10, s11 as a terminator : Contact expansion module PNOZ s7.1 with ter- minator : Contact expansion module PNOZ s7.2 : Contact expansion module PNOZ s7.2 with ter- minator Operating Manual PNOZ s7.1 | 11 21865-EN-11...
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Page 12: Wiring
(input, start and feedback loop) from other cables for energy trans- mission or the shielding of cables, for example. Adequate protection must be provided on all output contacts with capacitive and inductive loads. Operating Manual PNOZ s7.1 | 12 21865-EN-11... -
Page 13: Preparing For Operation
Base unit: Safety relay PNOZ X Base unit: Safety relay PNOZelog The inputs that evaluate the feed- 24 V DC back loop will depend on the feedback loop base unit and application PNOZsigma expansion module feedback PNOZsigma loop expansion module Operating Manual PNOZ s7.1 | 13 21865-EN-11... -
Page 14: Application Examples
Single device Single-channel Driven via safety relay with safety contacts .-= 2 & .-= 2 &,% '& & .-= 2 Contact expansion for PNOZ s4 Emergency stop Dual-channel with detection of shorts across contacts Operating Manual PNOZ s7.1 | 14 21865-EN-11... -
Page 15: Operation
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. LEDs indicate the status and errors during operation: LED on Operating Manual PNOZ s7.1 | 15 21865-EN-11... -
Page 16: Status Indicators
Faults - malfunctions 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 98 (3.86") 17,5 (0.69") * 100 (3,94") Operating Manual PNOZ s7.1 | 16 21865-EN-11... -
Page 17: Technical Details
Relay outputs 750167 751167 Number of output contacts Safety contacts (N/O), instant- aneous Max. short circuit current IK 1 kA 1 kA Utilisation category In accordance with the standard EN 60947-4-1 EN 60947-4-1 Operating Manual PNOZ s7.1 | 17 21865-EN-11... - Page 18 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 5,5 A 5,5 A Conv. therm. current with 3 con- tacts 4,5 A 4,5 A Operating Manual PNOZ s7.1 | 18 21865-EN-11...
- Page 19 6 kV Protection type Housing IP40 IP40 Terminals IP20 IP20 Mounting area (e.g. control cab- inet) IP54 IP54 Mechanical data 750167 751167 Mounting position Mechanical life 10,000,000 cycles 10,000,000 cycles Material Bottom Front Operating Manual PNOZ s7.1 | 19 21865-EN-11...
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Page 20: Safety Characteristic Data
SIL CL 3 2,31E-09 SIL 3 2,03E-06 Explanatory notes for the safety-related characteristic data: The SIL CL value in accordance with EN 62061 corresponds to the SIL value in accord- ance with EN 61508. Operating Manual PNOZ s7.1 | 20 21865-EN-11... -
Page 21: Classification According To Zvei, Cb24I
Relay outputs Interfaces Source Interface Module Class Drain Interface Actuator Class Source parameters Min. switching voltage 12 V Max. switching voltage 250 V Min. switching current 0,003 A Max. switching current Potential isolation Operating Manual PNOZ s7.1 | 21 21865-EN-11... -
Page 22: Supplementary Data
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. Switching current (A) Fig.: Service life graphs at 24 V DC and 230 V AC Operating Manual PNOZ s7.1 | 22 21865-EN-11... - Page 23 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 s7.1 | 23 21865-EN-11...
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Page 24: Permitted Operating Height
From an operating height of 2000 m the max. permitted ambient temperature is reduced by 0.5 °C/100 m Operating height Permitted ambient temperature 3000 m 50 °C 4000 m 45 °C 5000 m 40 °C Operating Manual PNOZ s7.1 | 24 21865-EN-11... - Page 25 European Parliament and of the Council. The complete EC Declaration of Conformity is available on the Internet at www.pilz.com/downloads. Authorised representative: Norbert Fröhlich, Pilz GmbH & Co. KG, Felix-Wankel-Str. 2, 73760 Ostfildern, Germany Operating Manual PNOZ s7.1...
- Page 26 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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