Pilz PNOZ ml2p User manual

Operating Manual — No. 1001642-EN-03
PNOZmulti Modular Safety System
PNOZ ml2p

This document is a translation of the original document.
All rights to this documentation are reserved by Pilz GmbH & Co. KG. Co ies may be made
for internal ur oses.
Suggestions and comments for im roving this documentation will be gratefully received.
Pilz®, PIT®, PMI®, PNOZ®, Primo®, PSEN®, PSS®, PVIS®, SafetyBUS ®, SafetyEYE®,
SafetyNET ®, the s irit of safety® are registered and rotected trademarks of
Pilz GmbH & Co. KG in some countries.
SD means Secure Digital.

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Contents
Contents
Contents Page
Chapter 1 Introduction
1.1 Validity of documentation 1-1
1.1.1 Retaining the documentation 1-1
1.2 Overview of documentation 1-2
1.3 Definition of symbols 1-3
Chapter 2 Overview
2.1 Unit structure 2-1
2.1.1 Scope of supply 2-1
2.1.2 Unit features 2-1
2.2 Front view 2-2
Chapter 3 Safety
3.1 Intended use 3-1
3.2 System requirements 3-2
3.3 Safety regulations 3-3
3.3.1 Use of qualified personnel 3-3
3.3.2 Warranty and liability 3-3
3.3.3 Disposal 3-3
3.3.4 For your safety 3-4
Chapter 4 Function description
4.1 Device properties 4-1
4.1.1 Integrated protection mechanisms 4-1
4.1.2 Function description 4-1
4.1.2.1 Operation 4-1
4.1.2.2 Block diagram 4-2
Chapter 5 Installation
5.1 General installation guidelines 5-1
5.1.1 Dimensions 5-1
5.2 Connecting the base unit and expansion
modules
5-2
Chapter 6 Commissioning
6.1 General wiring guidelines 6-1
6.1.1 Insulation voltage test 6-1
6.2 Preparing for operation 6-2
6.2.1 Download modified project to the PNOZ-
multi safety system
6-2
6.2.2 Connection 6-2
6.3 Series connection of 4 decentralised mod-
ules
6-3

Contents
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2
6.4 Voltage drop 6-4
6.4.1 Guidelines for various cable types 6-4
6.4.2 Calculation example 6-5
Chapter 7 Operation
7.1 Messages 7-1
7.2 Display elements 7-2
7.2.1 Display elements for device diagnostics 7-2
7.3 Fault detection 7-3
Chapter 8 Technical Details
8.1 Technical Details 8-1
8.2 Order reference 8-3

Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
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1.1 Validity of documentation
1 Introduction
11000IntroductionIntroduction1-1.1Validity of docume ntation1100Validity of docume ntation1-Einf Gltigkeit der Dokumentation
This documentation is valid for the product PNOZ ml2p. It is valid until
new documentation is published.
Einf Einleitung
This operating manual explains the function and operation, describes
the installation and provides guidelines on how to connect the product .
1.1.1 Retaining the documentation
Retaining the documentation1-Einf Aufbewahren
This documentation is intended for instruction and should be retained
for future reference.

1.2 Overview of documentation
1 Introduction
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1.2Overview of documentation1200Overview of documentation1-Einf_Uebersicht_über_die_Doku_6_Inbetriebnahme
1 Introduction
The introduction is designed to familiarise you with the contents, struc-
ture and specific order of this manual.
2 Overview
This chapter provides information on the product's most important fea-
tures.
3 Safety
This chapter must be read as it contains important information on safety
and intended use.
4 Function Description
This chapter describes the product's mode of operation.
5 Installation
This chapter explains how to install the product.
6 Commissioning
This chapter describes the product's commissioning and wiring.
7 Operation
This chapter describes how to operate the product and gives tips in the
case of a fault.
8 Technical Details
This chapter contains the product's technical details and order refer-
ence.

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1.3 Definition of symbols
1 Introduction
1.3Definition of symbols1300Definition of symbols1-Einfhrung Zeichen
Information that is of particular importance can be identified as follows:
DANGER!
This warning must be heeded! It warns of a hazardous situation
that poses an immediate threat of serious injury and death and
indicates preventive measures that can be taken.
WARNING!
This warning must be heeded! It warns of a hazardous situation
that could lead to serious injury and death and indicates preven-
tive measures that can be taken.
CAUTION!
This refers to a hazard that can lead to a less serious or minor
injury plus material damage, and also provides information on
preventive measures that can be taken.
NOTICE
This describes situations in which the unit(s) could be damaged
and also provides information on preventive measures that can
be taken.
INFORMATION
This gives advice on applications and provides information on
special features, as well as highlighting areas within the text that
are of special importance.

1 Introduction
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2.1 Unit structure
2 Overview
22000OverviewOverview2-2.1Unit structure2100Unit structure2-
2.1.1 Scope of supply
Scope of supply2-Lieferumfang_Brck_774639_modul_BA `Expansion modulePNOZ ml2p
`Jumper 774 639
2.1.2 Unit features
Unit features2-Gerätemerkmale_Verwendung
Using the product PNOZ ml2p:
Verwendung/Bildunterschrift_multi_Verbindung_dezentral_IO
Link module to safely connect decentralised input/output modules to a
safety system PNOZmulti
Geraetemerkmale_Zusatz BA Einleitung
The product has the following features:
Gertemerkmale_PNOZ ml2p `Can be configured in the PNOZmulti Configurator
`Max. 4 PNOZ ml2p can be connected to the base unit
`Max. 4 decentralised modules PDP67 F 8DI ION can be connected to
the link module PNOZ ml2p
`Plug-in connection terminals (either cage clamp terminal or screw ter-
minal)
`LEDs for
– Operating status
–Fault
– Connection status

2.2 Front view
2 Overview
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2.2Front view2200Front view2-Klemmenbelegung
Legende
Key:
`0 V, 24 V:
Supply connections
`CAN+, CAN-, VCC, GND:
Connection for decentralised modules
`Shield:
Connection for the cable shield

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3.1 Intended use
3 Safety
33000SafetySafety3-3.1Intended use3100Intended use3-Bestimmung/Gertebeschreibung_multi_Verbindunsmod_ml2p
The expansion module is used to connect decentralised input/output
modules to a safety system PNOZmulti.
Bestimmung/Gertebeschreibung_multi_Zusatz_Modul
The expansion module may only be connected to a base unit from the
PNOZmulti modular safety system.
Bestimmung/Gertebeschreibung_multi_System
The PNOZmulti modular safety system is used for the safety-related in-
terruption of safety circuits and is designed for use on:
`E-STOP equipment
`Safety circuits in accordance with VDE 0113 Part 1 and EN 60204-1
Bestimmung/Gertebeschreibung_Ausschluss
Intended use includes making the electrical installation EMC-compliant.
The product is designed for use in an industrial environment. It is not
suitable for use in a domestic environment, as this can lead to interfer-
ence.
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 chapter entitled
“Technical Details”)

3.2 System requirements
3 Safety
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3.2System requirements3200System requirements3-Systemvoraussetzungen PNOZ ml2p `PNOZmulti Configurator: from Version 7.0.0
`Base unit PNOZ m0p: from Version 3.0
`Base unit PNOZ m1p: from Version 6.0
`Base unit PNOZ m1p ETH: from Version 2.0
`Base unit PNOZ m2p: from Version 3.0
`Base unit PNOZ m3p: from Version 2.0
Please contact Pilz if you have an older version.

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3.3 Safety regulations
3 Safety
3.3Safety regulations3300Safety regulations3-
3.3.1 Use of qualified personnel
Use of qualified personnel3-Sich Qualif. Personal
The products may only be assembled, installed, programmed, commis-
sioned, operated, maintained and decomissioned by persons with prov-
en skills. Persons with proven skills are people who, because they are:
`Qualified electrical engineers or
`Have received training from qualified electrical engineers
are suitably experienced to operate devices, systems, plant and ma-
chinery in accordance with the general standards and guidelines for
safety technology.
It is the company's responsibility only to employ personnel who:
`Are familiar with the basic regulations concerning health and safety /
accident prevention
`Have read and understood the safety guidelines given in this descrip-
tion
`Have a good knowledge of the generic and specialist standards ap-
plicable to the specific application.
3.3.2 Warranty and liability
Warranty an d liability3-Sich Gewhrleistung
All 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 compo-
nents on the PCB boards, soldering work etc.).
3.3.3 Disposal
Disposal3-Sich Entsorgung_alt
The product must be disposed of properly when it reaches the end of its
service life.

3.3 Safety regulations
3 Safety
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3.3.4 For your safety
For your safety3-Zu Ihrer Sicherheit_multi_Module
The unit meets all necessary conditions for safe operation. However,
you should always ensure that the following safety requirements are
met:
`This operating manual only describes the basic functions of the unit.
Information on the advanced functions can be found in the online help
for the PNOZmulti Configurator and in the PNOZmulti technical cata-
logue. Only use these functions after you have read and understood
the documentation. All necessary documentation can be found on the
PNOZmulti Configurator CD.
`Do not open the housing or make any unauthorised modifications.
`Please make sure you shut down the supply voltage when performing
maintenance work (e.g. exchanging contactors).

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4.1 Device properties
4 Function description
44000Function descriptionFunction description4-4.1Device properties4100Device properties4-
4.1.1 Integrated protection mechanisms
Integrated protection mechanisms4-Sicherheitseigenschaften_multi_allgemein
The relay conforms to the following safety criteria:
`The circuit is redundant with built-in self-monitoring.
`The safety function remains effective in the case of a component fail-
ure.
4.1.2 Function description
Function description4-
4.1.2.1 Operation
Operation4-Funktionsbeschreibung PNOZ ml2p
The link module PNOZ ml2p is used to safely transfer the input informa-
tion from decentralised modules to the safety system PNOZmulti.
Funktionen_multi_Basis
The function of the safety system's inputs and outputs depends on the
safety circuit created using the PNOZmulti Configurator. A chip card is
used to download the safety circuit to the base unit. The base unit has
2 microcontrollers that monitor each other. They evaluate the input cir-
cuits on the base unit and expansion modules and switch the outputs on
the base unit and expansion modules accordingly.
The LEDs on the base unit and expansion modules indicate the status
of the PNOZmulti safety system.
The online help on the PNOZmulti Configurator contains descriptions of
the operating modes and all the functions of the PNOZmulti safety sys-
tem, plus connection examples.
Funktionsbeschreibung PNOZ ml2p_2
Data exchange:
`Communication with the decentralised modules is via a safe data link.
`The link module PNOZ ml2p reads the input information from the de-
centralised modules as part of each cycle and then forwards it to the
base unit.
`At the end of a PNOZmulti cycle, the base unit sends its output data
to its link module. This output data is immediately sent to the decen-
tralised modules.

4.1 Device properties
4 Function description
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Linking several decentralised modules:
`A maximum of 4 link modules can be connected to a PNOZmulti base
unit.
`A maximum of 4 decentralised modules can be connected to a link
module PNOZ ml2p.
`If a decentralised module receives data intended for a different de-
centralised module that is connected, the data is forwarded without
being processed.
4.1.2.2 Block diagram
Block di agram4-Blockschaltbild PNOZ ml2p
Fig. 4-1: Block diagram
24V 24V
=
Power
=
0V 0V
Interface
to previous
module
Interface
to next
module
CAN+ CAN-VCC NDShield

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5.1 General installation guidelines
5 Installation
55000Installa tionInstalla tion5-5.1General installation guidelines5100General installation guidelines5-Montage_multi_allgemein `The safety system should be installed in a control cabinet with a pro-
tection type of at least IP54. Fit the safety system to a horizontal DIN
rail. The venting slots must face upward and downward. Other mount-
ing positions could destroy the safety system.
`Use the notches on the back of the unit to attach it to a DIN rail. Con-
nect the safety system to the DIN rail in an upright position so that the
earthing springs on the safety system are pressed on to the DIN rail.
`The ambient temperature of the PNOZmulti units in the control cabi-
net must not exceed the figure stated in the technical details, other-
wise air conditioning will be required.
`To comply with EMC requirements, the DIN rail must have a low im-
pedance connection to the control cabinet housing.
Montage_EMV ESD
5.1.1 Dimensions
Dimensions5-Abmessung en
CAUTION!
Damage due to electrostatic discharge!
Electrostatic discharge can damage components. Ensure
against discharge before touching the product, e.g. by touching
an earthed, conductive surface or by wearing an earthed arm-
band.
94 (3.70")
22,5
(0.88")
121 (4.76")

5.2 Connecting the base unit and expansion modules
5 Installation
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5.2Connecting the base unit and expansion modules5200Connecting the base unit and expansion modules5-Montage_multi_Modul_verbind_links_BA `Do not connect terminators to the last expansion module.
`Install the expansion module in the position in which it is configured
in the PNOZmulti Configurator.
Montage_multi_Anzahl_Module_links_4
You can install a maximum of 4 PNOZ ml2p to the left of the base unit.
Montage
Fig. 5-2: Connecting the base unit and expansion modules
CHIP-Card
PNOZ mo3p
O1+
O0-
O0+
O1-
PROFIBUS-DP
PNOZ mc3p
F ULT
OFF-
LINE
x1
x10
X1
ON-
LINE
DDRESS
773700
Base unit
Fieldbus module
Max. 8 expansion modules
8
Position
12...
2
Power supply Max. 4 expansion modules
0-5 -1-2...

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6.1 General wiring guidelines
6 Commissioning
61000CommissioningCommissioning6-6.1General wiring guidelines1100General wiring guidelines6-Verdrahtung_multi_Modul
The wiring is defined in the circuit diagram of the PNOZmulti Configura-
tor.
Note:
`Information given in the "Technical details" must be followed.
Verdrahtung PNOZ ml2p `2 connection terminals are available for each of the supply connec-
tions 24 V and 0 V. This means that the supply voltage can be looped
through several connections. The current at each terminal may not
exceed 3 A.
`Please refer to the technical details for information on the maximum
cable length. Please also read the section entitled "Voltage drop".
`Shielded cable must be used from a cable length of 30 m.
`Pilz pre-assembled cable can be used to connect the decentralised
modules (see order reference).
`The plug-in connection terminals are either designed as cage clamp
terminals or screw terminals (see order reference).
Verdrahtung_multi_Modul_Achtung_Kabel_spannungsl_ziehen
6.1.1 Insulation voltage test
Insulation voltage test6-Isolationsspannungsprüfung
The product PNOZ ml2p is connected to functional earth via protec-
tion elements on the supply voltage. Insulation voltage tests are only
possible with voltages up to ca. 42 V.
CAUTION!
Only connect and disconnect the expansion module when the
supply voltage is switched off.

6.2 Preparing for operation
6 Commissioning
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6.2Preparing for operation6200Preparing for operation6-
6.2.1 Download modified project to the PNOZmulti safety system
Download modified project tothe PNOZmulti safety system6-Verdrahtung_multi_Modul_Betr_geaend_Projekt_BA
As soon as an additional expansion module has been connected to the
system, the project must be amended using the PNOZmulti Configura-
tor. Proceed as described in the operating instructions for the base unit.
6.2.2 Connection
Connection6-Betriebsbereitschaft herstellen Anschluss_PNOZ ml2p
`Supply voltage
`Connection to a decentralised input module PDP67
Betriebsbe reitschaft herstel len Anschluss - LC -Kabel_PNOZ ml2p
`Connection when using the PSS SB BUSCABLE LC in conjunction with a Pilz self-assembly "PSS67 M12
connector" (see order reference in the Technical Catalogue)
NOTICE
For the commissioning and after every program change, you
must check whether the safety devices are functioning correctly.
Supply voltage AC DC
24V + 24 V DC
0 V
24V
0V
0V
CAN+
CAN-
VCC
ND
Shield
VCC
CAN-
ND
CAN+
Shield
PNOZ ml2p PDP67 F 8DI ION
1
2
3
4
5
CAN+
CAN-
VCC
ND
Shield
PNOZ ml2p PDP67 F 8DI ION
1
2
3
4
5
red
brown
white
green
VCC
CAN-
ND
CAN+
Shield