Pilz PSS u2 ES 8DI Manuale utente
PSS u2 ES 8DI
Operating Manual-1003610-EN-01
}Control system PSS u2
}Remote I/O system PSS u2
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.
Pilz®, PIT®, PMI®, PNOZ®, Primo®, PSEN®, PSS®, PVIS®, SafetyBUS p®,
SafetyEYE®, SafetyNET p®, the spirit of safety® are registered and protected trademarks
of Pilz GmbH & Co. KG in some countries.
SD means Secure Digital
Contents
Operating Manual PSS u2 ES 8DI
1003610-EN-01 3
Section 1 Introduction 4
1.1 Validity of documentation 4
1.1.1 Retaining the documentation 4
1.2 Definition of symbols 4
Section 2 Overview 6
2.1 Module features 6
Section 3 Safety 7
3.1 Intended use 7
3.2 System requirements 7
3.3 Safety regulations 7
3.3.1 Use of qualified personnel 7
3.3.2 Warranty and liability 8
3.3.3 Disposal 8
Section 4 Function description 9
4.1 Block diagram 9
4.2 Supply 9
4.3 Inputs 9
4.4 Reaction times 13
4.5 Energy-saving functions 13
Section 5 Address assignment 14
Section 6 Installation 15
6.1 General installation guidelines 15
6.1.1 Dimensions 15
6.2 Inserting and removing an electronic module 16
6.2.1 Inserting an electronic module 16
6.2.2 Removing an electronic module 18
6.2.3 Changing an electronic module during operation 18
Section 7 Wiring 19
7.1 General wiring guidelines 19
7.1.1 Connection mechanism for terminal blocks 19
7.2 Terminal configuration 20
Section 8 Operation 21
8.1 Display elements and messages 21
Section 9 Technical details 23
Section 10 Order reference 25
10.1 Product 25
10.2 Accessories 25
Introduction
Operating Manual PSS u2 ES 8DI
1003610-EN-01 4
1 Introduction
1.1 Validity of documentation
This operating manual explains the function and operation, describes the installation and
provides guidelines on how to connect the product.
This documentation is valid for the product PSS u2 ES 8DI. It is valid until new documenta-
tion is published.
1.1.1 Retaining the documentation
This documentation is intended for instruction and should be retained for future reference.
1.2 Definition of symbols
Information that is particularly important is 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 preventive 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 a situation in which the product or devices could be dam-
aged and also provides information on preventive measures that can be
taken. It also highlights areas within the text that are of particular import-
ance.
Introduction
Operating Manual PSS u2 ES 8DI
1003610-EN-01 5
INFORMATION
This gives advice on applications and provides information on special fea-
tures.
Overview
Operating Manual PSS u2 ES 8DI
1003610-EN-01 6
2 Overview
Module structure:
A module consists of
}An electronic module
}A terminal block with cage clamp terminals and
}A backplane
The electronic modules are plugged into the backplane and determine the function. The
backplane is used for communication between the head module and the electronic modules
and forms the carrier unit for the electronic modules. The terminal block is plugged into the
electronic modules and is used to connect the field wiring.
Details of the terminal blocks that can be used are available under "Intended Use".
2.1 Module features
Using the product PSS u2 ES 8DI:
Electronic module with digital inputs for standard applications
The product has the following features:
}8 type 3 digital inputs in accordance with IEC 61131-2
}Configurable input filter time: 0 … 10.0 [ms]
}Configurable pulse stretching: 0 … 255 [ms]
}Energy-saving functions
}LEDs for:
– Status of inputs
– Module error
– Operating status
Safety
Operating Manual PSS u2 ES 8DI
1003610-EN-01 7
3 Safety
3.1 Intended use
The module provides standard type 3 inputs in accordance with IEC61131-2 and may be
used for standard applications in the PSS u2 system.
Intended use includes making the electrical installation EMC-compliant. The module is de-
signed for use in an industrial environment. Interference may occur if used in other areas.
The following is deemed improper use in particular
}Any component, technical or electrical modification to the module,
}Use of the module outside the areas described in this manual,
}Any use of the module that is not in accordance with the technical details.
The module PSS u2 ES 8DI may be used in conjunction with the following terminal block:
}8-pin terminal block
3.2 System requirements
INFORMATION
The module is supported by
}PASconfig from Version 1.0.0
– We recommend that you always use the latest version (download
from www.pilz.com).
3.3 Safety regulations
3.3.1 Use of qualified personnel
The products may only be assembled, installed, programmed, commissioned, operated,
maintained and decommissioned by competent persons.
A competent person is someone who, because of their training, experience and current pro-
fessional 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.
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 this description under "Safety"
}And have a good knowledge of the generic and specialist standards applicable to the
specific application.
Safety
Operating Manual PSS u2 ES 8DI
1003610-EN-01 8
3.3.2 Warranty and liability
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 components on the PCB
boards, soldering work etc.).
3.3.3 Disposal
}When decommissioning, please comply with local regulations regarding the disposal of
electronic devices (e.g. Electrical and Electronic Equipment Act).
Function description
Operating Manual PSS u2 ES 8DI
1003610-EN-01 9
4 Function description
4.1 Block diagram
I0
1
I2
5
I4
9
I6
13
Module
Supply
Data
(ST)
Periphery
Supply
+24 V DC
Module Bus
I1
3
I3
7
I5
11
I7
15
Input Input InputInput
Fig.: Block diagram PSS u2 ES 8DI
4.2 Supply
}The module supply provides the module with voltage.
4.3 Inputs
}The status of the inputs is signalled to the head module via the module bus.
}The inputs are fitted with a configurable software filter.
}Pulse stretching can be configured for the inputs.
}Any signals that are shorter than the signal suppression time tpulse_sup are filtered out.
The signal suppression time depends on the configured software filter time.
tpulse_sup= tfilter – 300 µs
}The module detects any signals that are present at the input for longer than the min-
imum signal time tsignal_min.
tsignal_min= tfilter + tProcIM
tProcIM: Input processing time (see Technical details [ 23]).
}A signal is always detected and signalled to the head module's PII if it is present for
longer than the sum of the following times:
– Minimum signal time tsignal_min
– ST scan time
Function description
Operating Manual PSS u2 ES 8DI
1003610-EN-01 10
Clamp
Module
tsignal_min
Fig.: Software filter
Legend
Clamp Signal at the terminal
Module Filtered signal in the module
tsignal_min Time for which a signal must be present at the input in order to be de-
tected
Pulse stretching:
The module stretches a 1-signal or 0-signal at the input terminals to the configured pulse
stretch time tstretch. If the signal is longer than the pulse stretch time, then it is not stretched
any further.
Signal requirements at the terminals:
The 0-signal and the subsequent 1-signal together must be present at the input for longer
than twice the configured pulse stretch time tstretch.
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