PNOZ 11 } Safety relays Operating Manual 19147-EN-05
Preface This document is a translation of the original document. All rights to this documentation are reserved by Pilz GmbH & Co. KG. Copies may be made for internal purposes. Suggestions and comments for improving this documentation will be gratefully received. Source code from third-party manufacturers or open source software has been used for some components. The relevant licence information is available on the Internet on the Pilz homepage.
Contents Introduction Validity of documentation Using the documentation Definition of symbols 4 4 4 4 Safety Intended use Safety regulations Safety assessment Use of qualified personnel Warranty and liability Disposal For your safety 5 5 5 5 5 6 6 6 Unit features 7 Safety features 7 Block diagram/terminal configuration 7 Function Description Operating modes Timing diagram 8 8 9 Installation 9 Wiring 10 Preparing for operation 11 Operation Status indicators 13 13 Faults – Interference 1
PNOZ 11 Introduction Validity of documentation This documentation is valid for the product PNOZ 11. 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. Using the documentation This document is intended for instruction. Only install and commission the product if you have read and understood this document. The document should be retained for future reference.
PNOZ 11 INFORMATION This gives advice on applications and provides information on special features. Safety Intended use The safety relay PNOZ 11 provides a safety-related interruption of a safety circuit.
PNOZ 11 A competent person is someone who, because of their training, experience and current professional activity, has the specialist knowledge required to test, assess and operate the work equipment, devices, systems, plant and machinery in accordance with the general standards and guidelines for safety technology.
PNOZ 11 Unit features } Positive-guided relay outputs: – 7 safety contacts (N/O), instantaneous – 1 auxiliary contact (N/C), instantaneous } 2 semiconductor outputs } Connection options for: } } } – E-STOP pushbutton – Safety gate limit switch – Start button LED indicator for: – Supply voltage – Input state – Switch state of the safety contacts – Start circuit Semiconductor outputs signal: – Supply voltage is present – Switch status of the safety contacts See order reference f
PNOZ 11 Function Description The safety relay PNOZ 11 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 Y1-Y2 and the start circuit S33-S34 are closed. The "START" LED is lit. } } Input circuit is closed (e.g. E-STOP pushbutton not operated): – The LEDs "CH.1 IN" and "CH.2 IN" are lit. – The "START" LED goes out.
PNOZ 11 Timing diagram [1] [2] [3] Out semi ON Out semi OUT Legend } Power: Supply voltage } Start: Start circuit } Input: Input circuit } Output safe: Safety contacts } Output aux: Auxiliary contact } Out semi ON: Semiconductor output supply voltage } Out semi OUT: Semiconductor output switch state } [1]: Automatic start } [2]: Manual start } [3]: Monitored start } a: Input circuit closes before start circuit } b: Start circuit closes before input circuit } t1: Switch-on dela
PNOZ 11 Wiring Please note: } Information given in the "Technical details [ } Delivery status of units with screw terminals: Link between S11-S12 (dual-channel input circuit) and link between Y1-Y2 (feedback loop) } Outputs 13-14, 23-24, 33-34, 43-44, 53-54, 63-64, 73-74 are safety contacts; output 81-82 is an auxiliary contact (e.g. for display).
PNOZ 11 Preparing for operation Supply voltage AC DC FE Input circuit Single-channel E-STOP B1 L+ B2 L- Dual-channel S1 S12 without detection of shorts across contacts S21 S11 S22 S32 S31 E-STOP S1 S22 with detection of shorts across contacts S11 S32 S12 S31 S21 Safety gate without detection of shorts across contacts S12 S21 S11 S22 S32 S31 S1 Safety gate with detection of shorts across contacts NOTICE With single-channel wiring the safety level of your machine/plant may be
PNOZ 11 E-STOP wiring (single-channel, dual-channel) Safety gate (dual-channel) Safety gate (single-channel) Start circuit Automatic start Automatic start with start-up test Simultaneity S1 and S2: 120 ms Manual start S3 S33 S33 S34 Monitored start S3 S34 S3 S3 S33 S34 S33 S34 S37 S37 NOTICE In the event of an automatic start or manual start with bridged start contact (fault): The unit starts up automatically when the safeguard is reset, e.g. when the E-STOP pushbutton is released.
PNOZ 11 Semiconductor output Legend } S1/S2: E-STOP/safety gate switch } S3: Reset button } : Switch operated } : Gate open } : Gate closed Operation NOTICE Check each safety function – after initial commissioning and after each change of the machine/ plant – for SIL CL 3/PL e at least 1x per month, for SIL CL 2/PL d at least 1x per year Follow the instructions below: – Activate the safety function and check whether all the used safety contacts open.
PNOZ 11 CH.2 IN Channel 2 input circuit is closed. CH.1 Safety contacts of channel 1 are closed. CH.2 Safety contacts of channel 2 are closed. Faults – Interference } Earth fault: The supply voltage fails and the safety contacts open. Once the cause of the respective fault has been rectified and the supply voltage is switched off for approx. 1 minute, the unit is ready for operation again.
PNOZ 11 Technical details Order no. 774080 – 774082 See below for more order numbers General Approvals Electrical data Supply voltage Voltage Kind Voltage tolerance Output of external power supply (AC) Frequency range AC Supply voltage Voltage Kind Voltage tolerance Output of external power supply (DC) Residual ripple DC Duty cycle Inputs Number Voltage at Input circuit DC Start circuit DC Feedback loop DC Current at Input circuit DC Start circuit DC Feedback loop DC Min.
PNOZ 11 Inputs Max. overall cable resistance Rlmax Single-channel at UB DC Single-channel at UB AC Dual-channel with detection of shorts across contacts at UB DC Dual-channel with detection of shorts across contacts at UB AC Semiconductor outputs Number Voltage Current External supply voltage Voltage tolerance Relay outputs Number of output contacts Safety contacts (N/O), instantaneous Auxiliary contacts (N/C) Max.
PNOZ 11 Relay outputs Utilisation category of auxiliary contacts AC1 at Min. current Max. current Max. power DC1 at Min. current Max. current Max. power Utilisation category In accordance with the standard Utilisation category of safety contacts AC15 at Max. current DC13 (6 cycles/min) at Max. current Utilisation category of auxiliary contacts AC15 at Max. current DC13 (6 cycles/min) at Max.
PNOZ 11 Relay outputs External contact fuse protection, auxiliary contacts Max. melting integral Blow-out fuse, quick Blow-out fuse, slow Blow-out fuse, gG Circuit breaker 24 V AC/DC, characteristic B/C Contact material Conventional thermal current while loading several contacts Ith per contact at UB AC; AC1: 240 V, DC1: 24 V Conv. therm. current with 1 contact Conv. therm. current with 2 contacts Conv. therm. current with 3 contacts Conv. therm. current with 4 contacts Conv. therm.
PNOZ 11 Times Switch-on delay With automatic start typ. With automatic start max. With automatic start after power on typ. With automatic start after power on max. With manual start typ. With manual start max. With monitored start typ. With monitored start max. Delay-on de-energisation With E-STOP typ. With E-STOP max. With power failure typ. With power failure max. Recovery time at max. switching frequency 1/s After E-STOP After power failure Min.
PNOZ 11 Environmental data Airgap creepage In accordance with the standard Overvoltage category Pollution degree Rated insulation voltage Rated impulse withstand voltage Protection type Mounting area (e.g.
PNOZ 11 Order no. 774085 -774086 General Approvals Electrical data Supply voltage Voltage Kind Voltage tolerance Output of external power supply (AC) Frequency range AC Supply voltage Voltage Kind Voltage tolerance Output of external power supply (DC) Residual ripple DC Duty cycle Inputs Number Voltage at Input circuit DC Start circuit DC Feedback loop DC Current at Input circuit DC Start circuit DC Feedback loop DC Min. input resistance at power-on Max.
PNOZ 11 Relay outputs Number of output contacts Safety contacts (N/O), instantaneous Auxiliary contacts (N/C) Max. short circuit current IK Utilisation category In accordance with the standard Utilisation category of safety contacts AC1 at Min. current Max. current Max. power AC1 at Min. current Max. current Max. power DC1 at Min. current Max. current Max. power Utilisation category of auxiliary contacts AC1 at Min. current Max. current Max. power DC1 at Min. current Max. current Max.
PNOZ 11 Relay outputs Utilisation category in accordance with UL Voltage With current Voltage With current Pilot Duty External contact fuse protection, safety contacts In accordance with the standard Max. melting integral Blow-out fuse, quick Blow-out fuse, slow Blow-out fuse, gG Circuit breaker 24V AC/DC, characteristic B/C External contact fuse protection, auxiliary contacts Max.
PNOZ 11 Conventional thermal current while loading several contacts Ith per contact at UB DC; AC1: 240 V, DC1: 24 V Conv. therm. current with 1 contact Conv. therm. current with 2 contacts Conv. therm. current with 3 contacts Conv. therm. current with 4 contacts Conv. therm. current with 5 contacts Conv. therm. current with 6 contacts Conv. therm. current with 7 contacts Times Switch-on delay With automatic start typ. With automatic start max. With automatic start after power on typ.
PNOZ 11 Environmental data Storage temperature Temperature range Climatic suitability Humidity Condensation during operation EMC Vibration In accordance with the standard Frequency Amplitude Airgap creepage In accordance with the standard Overvoltage category Pollution degree Rated insulation voltage Rated impulse withstand voltage Protection type Mounting area (e.g.
PNOZ 11 Where standards are undated, the 2014-07 latest editions shall apply. Safety characteristic data NOTICE You must comply with the safety-related characteristic data in order to achieve the required safety level for your plant/machine. Operating mode – EN ISO 13849-1: 2008 EN ISO 13849-1: 2008 PL PL e Category Cat.
PNOZ 11 Service life graph Cycles x 1000 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 negligible. Switching current (A) Example } Inductive load: 0.
PNOZ 11 EC declaration of conformity This product/these products meet the requirements of the directive 2006/42/EC for machinery of the 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.
Technical support is available from Pilz round the clock.
