pnoz s7 2 operat man 21866-en-xx · this documentation is valid for the product pnoz s7.2. it is...

PNOZ s7.2

Operating Manual-21866-EN-10

} Safety relays

PrefaceThis document is the original document.

All rights to this documentation are reserved by Pilz GmbH & Co. KG. Copies may be madefor the user's internal purposes. Suggestions and comments for improving this documenta-tion will be gratefully received.

Source code from third-party manufacturers or open source software has been used forsome components. The relevant licence information is available on the Internet on the Pilzhomepage.

Pilz®, PIT®, PMI®, PNOZ®, Primo®, PSEN®, PSS®, PVIS®, SafetyBUS p®,SafetyEYE®, SafetyNET p®, the spirit of safety® are registered and protected trademarksof Pilz GmbH & Co. KG in some countries.

SD means Secure Digital

Contents

Operating Manual PNOZ s7.221866-EN-10

3

Introduction 4Validity of documentation 4Using the documentation 4Definition of symbols 4

Safety 5Intended use 5Safety regulations 5Safety assessment 5Use of qualified personnel 6Warranty and liability 6Disposal 6For your safety 6

Unit features 7

Safety features 7

Block diagram/terminal configuration 8

Function description 8

Installation 8

Wiring 10

Preparing for operation 11

Operation 11Status indicators 11

Faults - malfunctions 12

Dimensions in mm 12

Technical details 12Safety characteristic data 16

Supplementary data 17Service life graph 17Permitted operating height 19

Remove plug-in terminals 20

Order reference 20

EC declaration of conformity 20

PNOZ s7.2


4

Introduction

Validity of documentationThis documentation is valid for the product PNOZ s7.2. It is valid until new documentation ispublished.

This operating manual explains the function and operation, describes the installation andprovides guidelines on how to connect the product.

Using the documentationThis document is intended for instruction. Only install and commission the product if youhave read and understood this document. The document should be retained for future ref-erence.

Definition of symbolsInformation that is particularly important is identified as follows:

DANGER!

This warning must be heeded! It warns of a hazardous situation that posesan immediate threat of serious injury and death and indicates preventivemeasures that can be taken.

WARNING!

This warning must be heeded! It warns of a hazardous situation that couldlead to serious injury and death and indicates preventive measures that canbe taken.

CAUTION!

This refers to a hazard that can lead to a less serious or minor injury plusmaterial damage, and also provides information on preventive measuresthat can be taken.

NOTICE

This describes a situation in which the product or devices could be dam-aged and also provides information on preventive measures that can betaken. It also highlights areas within the text that are of particular import-ance.

PNOZ s7.2


5

INFORMATION

This gives advice on applications and provides information on special fea-tures.

Safety

Intended useThe unit meets the requirements of EN 60947-5-1, EN 60204-1 and VDE 0113-1. The con-tact expansion module is used to increase the number of instantaneous safety contactsavailable on a base unit.

The max. achievable safety level depends on the base unit. The expansion module may notexceed this. The safety-related characteristic values stated under safety-related character-istic data [ 16] can only be achieved if the base unit also exhibits these values.

The following is deemed improper use in particular

} Any component, technical or electrical modification to the product,

} Use of the product outside the areas described in this manual,

} Use of the product outside the technical details (see Technical details [ 12]).

NOTICEEMC-compliant electrical installation

The product is designed for use in an industrial environment. The productmay cause interference if installed in other environments. If installed in otherenvironments, measures should be taken to comply with the applicablestandards and directives for the respective installation site with regard to in-terference.

Safety regulations

Safety assessmentBefore using a device it is necessary to perform a safety assessment in accordance withthe Machinery Directive.

Functional safety is guaranteed for the product as a single component. However, this doesnot guarantee the functional safety of the overall plant/machine. In order to achieve the re-quired safety level for the overall plant/machine, define the safety requirements for theplant/machine and then define how these must be implemented from a technical and organ-isational standpoint.

PNOZ s7.2


6

Use of qualified personnelThe products may only be assembled, installed, programmed, commissioned, operated,maintained and decommissioned by competent persons.

A competent person is a qualified and knowledgeable person who, because of their train-ing, experience and current professional activity, has the specialist knowledge required. Tobe able to inspect, assess and operate devices, systems and machines, the person has tobe informed of the state of the art and the applicable national, European and internationallaws, directives and standards.

It is the company’s responsibility only to employ personnel who

} Are familiar with the basic regulations concerning health and safety / accident preven-tion,

} Have read and understood the information provided in the section entitled Safety

} Have a good knowledge of the generic and specialist standards applicable to the spe-cific application.

Warranty and liabilityAll claims to warranty and liability will be rendered invalid if

} The product was used contrary to the purpose for which it is intended,

} Damage can be attributed to not having followed the guidelines in the manual,

} Operating personnel are not suitably qualified,

} Any type of modification has been made (e.g. exchanging components on the PCBboards, soldering work etc.).

Disposal} In safety-related applications, please comply with the mission time TM in the safety-re-

lated characteristic data.

} When decommissioning, please comply with local regulations regarding the disposal ofelectronic devices (e.g. Electrical and Electronic Equipment Act).

For your safetyThe unit meets all the necessary conditions for safe operation. However, please note thefollowing:

} Note for overvoltage category III: If voltages higher than low voltage (>50 VAC or >120VDC) are present on the unit, connected control elements and sensors must have arated insulation voltage of at least 250 V.

PNOZ s7.2


7

Unit features} Positive-guided relay outputs:

– 4 safety contacts (N/O), instantaneous

– 1 auxiliary contact (N/C), instantaneous

} Connection option for expansion modules

} LED for:

– Input status, channel 1

– Input status, channel 2

– Switch status of the safety contacts

} Plug-in connection terminals (either spring-loaded terminal or screw terminal)

} See order reference for unit types

Safety featuresThe unit meets the following safety requirements:

} The contact expander module expands an existing circuit. As the output relays aremonitored via the base unit's feedback loop, the safety functions on the existing circuitare transferred to the contact expander module.

} 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.

PNOZ s7.2


8

Block diagram/terminal configuration

Fig.: Centre: Front view with cover, right: Front view without cover

*Safe separation from non-marked area in accordance with EN 60947-1, 6 kV, basic insula-tion between all safety contacts.

Function descriptionwith PNOZsigma s7.1:

} Dual-channel operation and supply voltage via PNOZsigma connector

with PNOZsigma expander modules:

} Dual-channel operation and supply voltage via PNOZsigma connector

InstallationConnect contact expansion module PNOZ s7.2 to PNOZsigma contact expansionmodules} Connect the contact expansion modules using the connector supplied.

Control cabinet installation} The safety relay should be installed in a control cabinet with a protection type of at least

IP54.

} Use the notch on the rear of the unit to attach it to a DIN rail.

} Ensure the unit is mounted securely on a vertical DIN rail (35 mm) by using a fixing ele-ment (e.g. retaining bracket or an end angle).

Push the unit upwards or downwards before lifting it from the DIN rail.

PNOZ s7.2


9

Expansion options

Please note the max. power consumption of thecontact expansion modules (see technical dataPNOZ s7.1).

: Base unit: Contact expansion module PNOZ s7.1: Contact expansion module PNOZ s7.2

: Contact expansion module PNOZ s7.2 with ter-minator

: Base unit: Contact expansion module PNOZ s7.1: Contact expansion module PNOZ s7.2

: Expansion module PNOZ s7, s8, s9, s10, s11 asa terminator


: Contact expansion module PNOZ s7.2: Contact expansion module PNOZ s7.2 with ter-

minator

PNOZ s7.2


10

Expansion options

Please note the max. power consumption of thecontact expansion modules (see technical dataPNOZ s7.1).


: Contact expansion module PNOZ s7.2: Expansion module PNOZ s7, s8, s9, s10, s11 as

a terminator

: Base unit: Contact expansion module PNOZ s7.1: Contact expansion module PNOZ s7.2: Contact expansion module PNOZ s7.1: Contact expansion module PNOZ s7.2


WiringPlease note:

} Information given in the "Technical details [ 12]" must be followed.

} Outputs 13-14, 23-24, 33-34, 43-44 are safety contacts; outputs 51 -52 are auxiliarycontacts (e.g. for display).

} Auxiliary contact 51-52 should not be used for safety circuits!

} To prevent contact welding, a fuse should be connected before the output contacts (seeTechnical details [ 12]).

} Use copper wire that can withstand 60/75 °C.

} Sufficient fuse protection must be provided on all output contacts with capacitive and in-ductive loads.

PNOZ s7.2


11

Preparing for operation

Supply voltage/input circuit/feedback loop AC DC

Contact expansion module PNOZs7.2

Inte

rface

PNOZsig

ma

PNOZsexpansionmodule

PNOZsexpansionmodule

Connection to PNOZsigmabase unit/PNOZmulti Mini baseunit

Base unit: Safety relay PNOZ-sigma

Base unit: Small control systemPNOZmulti Mini

The feedback loop is connectedand evaluated via the connector

PNOZmulti Mini

base unit

PNOZsigma

expansion

module

OperationWhen the relay outputs are switched on, the mechanical contact on the relay cannot betested automatically. Depending on the operational environment, measures to detect thenon-opening of switching elements may be required under some circumstances.

When the product is used in accordance with the European Machinery Directive, a checkmust be carried out to ensure that the safety contacts on the relay outputs open correctly.Open the safety contacts (switch off output) and start the device again, so that the internaldiagnostics can check that the safety contacts open correctly

} for SIL CL 3/PL e at least 1x per month

} for SIL CL 2/PL d at least 1x per year

NOTICE

The safety function should be checked after initial commissioning and eachtime the plant/machine is changed. The safety functions may only bechecked by qualified personnel.

LEDs indicate the status and errors during operation:

LED on

Status indicators

IN1Channel 1 actuated.

IN2Channel 2 actuated.

IN1, IN2, OUTSafety contacts are closed.

PNOZ s7.2


12

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

120 (4

.72")

* 100 (3,94")

98 (3.86")17,5

(0.69")

Technical details

General 750177 751177

ApprovalsCCC, CE, EAC (Eurasian), TÜV,cULus Listed

CCC, CE, EAC (Eurasian), TÜV,cULus Listed

Electrical data 750177 751177Supply voltage

Voltage 24 V 24 VKind DC DCPower consumption 2 W 2 W

Duty cycle 100 % 100 %Relay outputs 750177 751177Number of output contacts

Safety contacts (N/O), instant-aneous 4 4Auxiliary contacts (N/C) 1 1

Max. short circuit current IK 1 kA 1 kAUtilisation category

In accordance with the standard EN 60947-4-1 EN 60947-4-1

PNOZ s7.2


13

Relay outputs 750177 751177Utilisation category of safety con-tacts

AC1 at 240 V 240 VMin. current 0,01 A 0,01 AMax. current 6 A 6 AMax. power 1500 VA 1500 VADC1 at 24 V 24 VMin. current 0,01 A 0,01 AMax. current 6 A 6 AMax. power 150 W 150 W

Utilisation category of auxiliary con-tacts

AC1 at 240 V 240 VMin. current 0,01 A 0,01 AMax. current 2 A 2 AMax. power 500 VA 500 VADC1 at 24 V 24 VMin. current 0,01 A 0,01 AMax. current 2 A 2 AMax. power 50 W 50 W

Utilisation categoryIn accordance with the standard EN 60947-5-1 EN 60947-5-1

Utilisation category of safety con-tacts

AC15 at 230 V 230 VMax. current 5 A 5 ADC13 (6 cycles/min) at 24 V 24 VMax. current 5 A 5 A

Utilisation category of auxiliary con-tacts

AC15 at 230 V 230 VMax. current 2 A 2 ADC13 (6 cycles/min) at 24 V 24 VMax. current 2 A 2 A

Utilisation category in accordancewith UL

Voltage 240 V AC G.U. (same polarity) 240 V AC G.U. (same polarity)With current 6 A 6 AVoltage 24 V DC G. U. 24 V DC G. U.With current 6 A 6 A

PNOZ s7.2


14

Relay outputs 750177 751177External contact fuse protection,safety contacts

In accordance with the standard EN 60947-5-1 EN 60947-5-1Max. melting integral 260 A²s 260 A²sBlow-out fuse, quick 10 A 10 ABlow-out fuse, slow 6 A 6 ABlow-out fuse, gG 10 A 10 ACircuit breaker 24V AC/DC,characteristic B/C 6 A 6 A

External contact fuse protection,auxiliary contacts

Max. melting integral 160 A²s 160 A²sBlow-out fuse, quick 4 A 4 ABlow-out fuse, slow 2 A 2 ABlow-out fuse, gG 4 A 4 ACircuit breaker 24 V AC/DC,characteristic B/C 2 A 2 A

Contact material AgCuNi + 0,2 µm Au AgCuNi + 0,2 µm AuConventional thermal currentwhile loading several contacts

750177 751177

Ith per contact at UB DC;AC1: 240 V, DC1: 24 V

Conv. therm. current with 1 con-tact 6 A 6 AConv. therm. current with 2 con-tacts 5,5 A 5,5 AConv. therm. current with 3 con-tacts 4,5 A 4,5 AConv. therm. current with 4 con-tacts 4 A 4 A

Times 750177 751177Switch-on delay

With automatic start after poweron typ. 30 ms 30 msWith automatic start after poweron max. 50 ms 50 ms

Delay-on de-energisationWith E-STOP typ. 18 ms 18 msWith E-STOP max. 30 ms 30 msWith power failure typ. 18 ms 18 msWith power failure max. 30 ms 30 ms

Environmental data 750177 751177Climatic suitability EN 60068-2-78 EN 60068-2-78Ambient temperature

Temperature range -10 - 55 °C -10 - 55 °CStorage temperature

Temperature range -40 - 85 °C -40 - 85 °C

PNOZ s7.2


15

Environmental data 750177 751177Climatic suitability

Humidity 93 % r. h. at 40 °C 93 % r. h. at 40 °CCondensation during operation Not permitted Not permittedEMC EN 60947-5-1, EN 61000-6-2, EN

61000-6-4, EN 61326-3-1EN 60947-5-1, EN 61000-6-2, EN61000-6-4, EN 61326-3-1

VibrationIn accordance with the standard EN 60068-2-6 EN 60068-2-6Frequency 10 - 55 Hz 10 - 55 HzAmplitude 0,35 mm 0,35 mm

Airgap creepageIn accordance with the standard EN 60947-1 EN 60947-1Overvoltage category III IIIPollution degree 2 2

Rated insulation voltage 250 V 250 VRated impulse withstand voltage 6 kV 6 kVProtection type

Housing IP40 IP40Terminals IP20 IP20Mounting area (e.g. control cab-inet) IP54 IP54

Mechanical data 750177 751177Mounting position Any AnyMechanical life 10,000,000 cycles 10,000,000 cyclesMaterial

Bottom PC PCFront PC PCTop PC PC

Connection type Screw terminal Spring-loaded terminalMounting type plug-in plug-inConductor cross section with screwterminals

1 core flexible 0,25 - 2,5 mm², 24 - 12 AWG –2 core with the same cross sec-tion, flexible with crimp connect-ors, no plastic sleeve 0,25 - 1 mm², 24 - 16 AWG –2 core with the same cross sec-tion, flexible without crimp con-nectors or with TWIN crimp con-nectors 0,2 - 1,5 mm², 24 - 16 AWG –

Torque setting with screw terminals 0,5 Nm –Conductor cross section withspring-loaded terminals: Flexiblewith/without crimp connector – 0,2 - 2,5 mm², 24 - 12 AWGSpring-loaded terminals: Terminalpoints per connection – 2Stripping length with spring-loadedterminals – 9 mm

PNOZ s7.2


16

Mechanical data 750177 751177Dimensions

Height 98 mm 100 mmWidth 17,5 mm 17,5 mmDepth 120 mm 120 mm

Weight 170 g 170 g

Where standards are undated, the 2017-01 latest editions shall apply.

Safety characteristic data

NOTICE

You must comply with the safety-related characteristic data in order toachieve the required safety level for your plant/machine.

OperatingMode

EN ISO13849-1:2015

PL

EN ISO13849-1:2015

Category

EN 62061

SIL CL

EN 62061

PFHD [1/h]

IEC 61511

SIL

IEC 61511

PFD

EN ISO13849-1:2015

TM [year]Safety con-tacts, in-stantaneous PL e Cat. 4 SIL CL 3 2,31E-09 SIL 3 2,03E-06 20

All the units used within a safety function must be considered when calculating the safetycharacteristic data.

INFORMATION

A safety function's SIL/PL values are not identical to the SIL/PL values ofthe units that are used and may be different. We recommend that you usethe PAScal software tool to calculate the safety function's SIL/PL values.

PNOZ s7.2


17

Supplementary data

CAUTION!

It is essential to consider the relay's service life graphs. The relay outputs'safety-related characteristic data is only valid if the values in the service lifegraphs are met.

The PFH value depends on the switching frequency and the load on the relay output.If the service life graphs are not accessible, the stated PFH value can be used irrespectiveof the switching frequency and the load, as the PFH value already considers the relay'sB10d value as well as the failure rates of the other components.

Service life graphThe service life graphs indicate the number of cycles from which failures due to wear mustbe expected. The wear is mainly caused by the electrical load; the mechanical load is negli-gible.

Cyc

les

x 10

00

Switching current (A)

Fig.: Service life graphs at 24 V DC and 230 V AC

PNOZ s7.2


18

Cyc

les

x 10

00

Switching current (A)

Fig.: Service life graphs at 110 V DC

Example} Inductive load: 0.2 A

} Utilisation category: AC15

} Contact service life: 2 000 000 cycles

Provided the application to be implemented requires fewer than 2 000 000 cycles, the PFHvalue (see Technical details [ 12]) can be used in the calculation.

To increase the service life, sufficient spark suppression must be provided on all outputcontacts. With capacitive loads, any power surges that occur must be noted. With DC con-tactors, use flywheel diodes for spark suppression.

PNOZ s7.2


19

Permitted operating heightThe values stated in the technical details apply to the use of the device in operating heightsup to max. 2000 m above sea level. When used in greater heights, constraints have to betaken into account:

} Permitted maximum operating height 5000 m

} Reduction of rated insulation voltage and rated impulse withstand voltage for applica-tions with safe separation:

Maximum operationheight

Rated insulationvoltage Overvoltage category

Max. rated impulsewithstand voltage

3000 m 150 V II 2.5 kV

100 V III 2.5 kV

4000 m 150 V II 2.5 kV

100 V III 2.5 kV

5000 m 150 V II 2.5 kV

100 V III 2.5 kV

} Reduction of rated insulation voltage and rated impulse withstand voltage for applica-tions with basic insulation:

Maximum operationheight Rated insulation voltage Overvoltage category

Max. rated impulsewithstand voltage

3000 m 250 V II 2.5 kV

150 V III 2.5 kV

4000 m 250 V II 2.5 kV

150 V III 2.5 kV

5000 m 250 V II 2.5 kV

150 V III 2.5 kV

} From an operating height of 2000 m the max. permitted ambient temperature is re-duced by 0.5 °C/100 m

Operating height Permitted ambient temperature

3000 m 50 °C

4000 m 45 °C

5000 m 40 °C

PNOZ s7.2


20

Remove plug-in terminalsProcedure: Insert the screwdriver into the housing recess behind the terminal and lever theterminal out.

Do not remove the terminals by pulling the cables!

Order reference

Product type Features Connection type Order No.

PNOZ s7.2 24 VDC Screw terminals 750 177

PNOZ s7.2 C 24 VDC Spring-loaded terminals 751 177

EC declaration of conformityThis product/these products meet the requirements of the directive 2006/42/EC for ma-chinery of the European Parliament and of the Council. The complete EC Declaration ofConformity is available on the Internet at www.pilz.com/downloads.Representative: Norbert Fröhlich, Pilz GmbH & Co. KG, Felix-Wankel-Str. 2, 73760 Ost-fildern, Germany

The Best of German Engineering

Partner of:

SupportTechnical support is available from Pilz round the clock.

Americas

Brazil

+55 11 97569-2804

Canada

+1 888-315-PILZ (315-7459)

Mexico

+52 55 5572 1300

USA (toll-free)

+1 877-PILZUSA (745-9872)

Asia

China

+86 21 60880878-216

Japan

+81 45 471-2281

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+82 31 450 0680

Australia

+61 3 95600621

Europe

Austria

+43 1 7986263-0

Belgium, Luxembourg

+32 9 3217575

France

+33 3 88104000

Germany

+49 711 3409-444

Ireland

+353 21 4804983

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+39 0362 1826711

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+45 74436332

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+34 938497433

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+41 62 88979-30

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+31 347 320477

Turkey

+90 216 5775552

United Kingdom

+44 1536 462203

You can reach our

international hotline on:

+49 711 3409-444

[email protected]

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O¤ces and production facilities are ecologically designed,

environmentally-aware and energy-saving. So Pilz o¥ers

sustainability, plus the security of using energy-e¤cient

products and environmentally-friendly solutions.

Pilz GmbH & Co. KG

Felix-Wankel-Straße 2

73760 Ostfildern, Germany

Tel.: +49 711 3409-0

Fax: +49 711 3409-133

[email protected]

www.pilz.com

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pnoz s7 2 operat man 21866-en-xx · this documentation is valid for the product pnoz s7.2. it is...

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