Pilz PSSu K S RS232 Modbus ASCII User Manual

Operating Manual PSSu K S RS232 Modbus AS CII

Operating Manual PSSu K S RS232 Modbus ASCII

PSSu K S RS232 Modbus ASCII

Decentralised system PSSuniversal I/O

Operating Manual — No. 1001689-EN-04

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.

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.

Preface

Contents

Contents

Contents Page

Chapter 1 Introduction

1.1 Validity of documentation 1-1

1.1.1 Retaining the documentation 1-1

1.1.2 Terminology: System environment A and B 1-1

1.2 Overview of documentation 1-2

1.3 Definition of symbols 1-3

Chapter 2 Overview

2.1 Module structure 2-1

2.1.1 Module features 2-1

2.2 Front view 2-2

Chapter 3 Safety

3.1 Intended use 3-1

3.2 Safety regulations 3-2

3.2.1 Use of qualified personnel 3-2

3.2.2 Warranty and liability 3-2

3.2.3 Disposal 3-2

Chapter 4 Function description

4.1 Module features 4-1

4.1.1 Function description 4-1

4.1.2 Integrated protection mechanisms 4-1

4.2 Data exchange 4-2

4.3 Configuration 4-3

4.3.1 Interface parameters 4-3

4.3.2 Receive buffer threshold 4-3

Chapter 5 Installation

5.1 General installation guidelines 5-1

5.1.1 Dimensions 5-1

5.2 Install compact module 5-2

Chapter 6 Wiring

6.1 Interface configuration 6-1

6.1.1 RS232 interface 6-1

Chapter 7 Operation

7.1 Messages 7-1

7.2 Display elements 7-2

7.2.1 Display element for operational readiness 7-2

7.2.2 Display element for module error 7-2

7.2.3 Display elements for data transmission 7-3

Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: [phone], Telefax: [phone], E-Mail: [e-mail]

1

Contents

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

2

Telephone: [phone], Telefax: [phone], E-Mail: [e-mail]

1 Introduction

1.1 Validity of documentation

11000IntroductionIntroduction1-1.1Validity of docume ntation1100Validity of documenta tion1-Einf Gltigkeit der Dokumentation

This documentation is valid for the product PSSu K S RS232 Modbus

Einf Einleitung

1.1.1 Retaining the documentation

Retaining the documentation1-Einf Aufbewahren

ASCII. 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.

This documentation is intended for instruction and should be retained
for future reference.

1.1.2 Terminology: System environment A and B

Terminology: System environment A and B1-][BA Einf Begriffsdefinition Sys A + B

The PSSu system can be used in two different system environments.
The module's application area is described in the chapter "Intended
Use" of the manual.

The distinction is made between

 PSSu in system environment A
 PSSu in system environment B

The distinction is based on the application area of the PSSu system.

PSSu in system environment A may be used in the

 Decentralised system PSSu I/O with SafetyBUS p
 Decentralised system PSSu I/O with ST fieldbuses such as CANopen,

DeviceNet

 Not in the automation system PSS 4000

PSSu in system environment B may be used in the

 Automation system PSS 4000, e.g. with the

– Decentralised system PSSu I/O with SafetyNET p
– Control system PSSu PLC
– Control system PSSu multi

][BA Einf Begriffsdefinition Zusatz Sys B

The module PSSu K S RS232 Modbus ASCII is exclusively for use in
system environment B (automation system PSS 4000).

Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: [phone], Telefax: [phone], E-Mail: [e-mail]

1-1

1 Introduction

1.2 Overview of documentation

1.2Overview of documentation1200Overview of documentation1-][BA Einf Übersicht E-Modul

1 Introduction

The introduction is designed to familiarise you with the contents, struc­ture and specific order of this manual.

2 Overview

This chapter provides information on the product's most important fea­tures.

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 individual components.

5 Installation

This chapter explains how to install the product.

6 Wiring

This chapter describes the product's wiring.

7 Operation

This chapter explains the display elements and advises on what to do if
a fault occurs.

8 Technical Details

This chapter contains the product's technical details and order refer­ence.

1-2

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1 Introduction

1.3 Definition of symbols

1.3Definition of symbols1300Definition of symbols1-Einfhrung Zeichen

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 unit(s) could be damaged
and also provides information on preventive measures that can
be taken. It also highlights areas within the text that are of partic­ular importance.

INFORMATION

This gives advice on applications and provides information on
special features.

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1-3

1 Introduction

1-4

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Telephone: [phone], Telefax: [phone], E-Mail: [e-mail]

2 Overview

2.1 Module structure

22000OverviewOverview2-2.1Module structure2100Module structure2-][BA Übersicht Aufbau K Trumph

The module combines the function unit (inputs or outputs, interfaces)
and connection levels in one housing.

Wiring is via Sub-D female and male connectors

2.1.1 Module features

Module features2-Geraetemerkmale_Zusatz BA Einleitung

Merkmale_Ein_Aus

][Merkmale_Ein_Aus RS232 Ser

][Merkmale_LED ST Ser

][Merkmale_Zusatz ST-Module Sys B

The product has the following features:

 Data exchange based on the Modbus ASCII protocol
 Serial interface: RS 232
 Communication channels: 2 (Tx/Rx, full duplex)
 Configurable transmission rates
 Receive buffer: 1023 Byte
 Send buffer: 127 Byte
 Max. number per system: 6
 LEDs for:

– Operational readiness
– Module error
– Data transmission

 For standard applications in system environment B (automation sys-

tem PSS 4000)

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2-1

2 Overview

RS232

Modbus
ASCII

PSSu K S RS232

Modbus ASCII

1

2

3

4

2.2 Front view

2.2Front view2200Front view2-BA_Fron tansicht

][BA_Frontansicht PSSu K S RS232 Trumph

Key:

 1: Labelling strip with:

–2D code
– Order Number
– Serial Number
– Hardware version number

 2: Name of compact module
 3: D-Sub connector (male) X1
 4: LEDs for status display and module diagnostics

2-2

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3 Safety

3.1 Intended use

33000SafetySafety3-3.1Intended use3100Intended use3-][Gertebeschreibung ST Ser K Modul Trumph Sys B

Bestimmung/Gertebeschreibung_Ausschluss

Bestimm_Verwend_Info_PAS4000_ab_1.1.1

The module provides a serial interface. It is designed for communication
in non-safety-related applications in system environment B (automation
system PSS 4000).

Intended use includes making the electrical installation EMC-compliant.
Please refer to the guidelines stated in the "PSSuniversal Installation
Manual". The module is designed for use in an industrial environment. It
is not suitable for use in a domestic environment, as this can lead to in­terference.

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
 Use of the module outside the technical details (see chapter entitled

"Technical Details")

INFORMATION

The module is supported by PAS4000 from Version 1.1.1. We
recommend that you always use the latest version (download
from www.pilz.de).

Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: [phone], Telefax: [phone], E-Mail: [e-mail]

3-1

3 Safety

3.2 Safety regulations

3.2Safety regulations3200Safety regulation s3-

3.2.1 Use of qualified personnel

Use of qualified personnel3-Sich Qualif. Personal

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 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.

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.

3.2.2 Warranty and liability

Warranty and liability3-Sich Gewhrleistung

3.2.3 Disposal

Disposal3-Si ch Entsorgung

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.).

 In safety-related applications, please comply with the mission time t

M

in the safety-related characteristic data.

 When decommissioning, please comply with local regulations regard-

ing the disposal of electronic devices (e.g. Electrical and Electronic
Equipment Act).

3-2

Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: [phone], Telefax: [phone], E-Mail: [e-mail]

4 Function description

Ext. device

with serial

interface

RS232

PSSu K S RS232

Modbus ASCII

Head

module

with

control

system

Module

bus

4.1 Module features

44000Function descriptionFunction description4-4.1Module features4100Module features4-

4.1.1 Function description

Function description4-][Funktionsbeschreibung BA Einleitung Ser

][Funktionsbeschreibung Module Supply

][Funktionsbeschreibung_Peri Ser

][Funktionsbeschreibung Datenaustausch Ser

][Funktionsdiagramm ST RS232 Modbus ASCII

The module enables communication via a serial interface.

Module supply

 The module supply provides the module with voltage.

Periphery supply

 The periphery supply provides the serial interface with voltage.

Signal processing

 In each cycle, a max. of 8 Bytes of data can be transferred in both di-

rections between control system and module. The data to be trans­ferred is stored temporarily in a send and receive buffer.

 Two additional status bytes and control bytes are available in the

process image for data exchange between control system and mod­ule.

 All the configuration data is stored in the head module and is assigned

to the module on restart. This way the configuration data is retained
even if you change the module.

Schematic representation of signal processing with the control system
PSSu PLC/PSSu multi:

4.1.2 Integrated protection mechanisms

Integrated protection mechanisms4-][Schutzmechanismen E/A-Module

When the PSSu E F PS1(-T) is used to supply the system, the module
supply is buffered for 20 ms if the supply voltage is interrupted.

][Schutzmechanismen ST-Module

The module detects the following errors:

 Start-up error
 Configuration error
 ST communication error
 Bus termination error

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4-1

4 Function description

4.2 Data exchange

4.2Data exchange4200Data exchange4-][Funktionsbeschreibung_Zusatz Ser

Data is exchanged between subscribers via a special protocol based on
the Modbus ASCII protocol.

INFORMATION

The necessary function block is available from Technical Sup­port (telephone: [phone]).

4-2

Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: [phone], Telefax: [phone], E-Mail: [e-mail]

4 Function description

4.3 Configuration

4.3Configuration4300Configuration4-][Funktionsbeschreibung_BA_Konfig Einf Ser

The module has the following configuration options:

 Interface parameter
 Threshold receive buffer

4.3.1 Interface parameters

Interface parameters4-][Funktionsbeschreibung_BA_Konfig K-Modul Trumph Ser

The following interface parameters can be configured:

 Transmission rate
 Xon/Xoff when sending
 Xon/Xoff when receiving
 RTS and CTS enabled

4.3.2 Receive buffer threshold

Receive buffer threshold 4-][Funktionsbeschrei bung_BA_Konfig Schwell Ser

The number of Bytes in a receive buffer of the module is defined with this
value, from which the status bit "Receive buffer full" is set (default value:

512).

Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
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4-3

4 Function description

4-4

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5 Installation

49,2 mm

128,9 mm

5,07"

1,94"

30 mm

1,18"

5.1 General installation guidelines

55000InstallationInstallation5-5.1General installation guidelines5100General installation guidelines5-][Montage BA E-Modul Allgemein

Montage_EMV ESD

5.1.1 Dimensions

Dimensions5-][Abmessungen K-T rumph

Please also refer to the PSSuniversal Installation Manual.

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 arm­band.

Schematic representation:

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5-1

5 Installation

5.2 Install compact module

5.2Install compact module5200Install compact module5-][Montage Kompaktmodul Trumph

Prerequisite:

 The head module must be installed.
 If the head module does not have an integrated power supply, a sup-

ply voltage module must be installed to the right of the head module.

 A base module with screw terminals may not be installed to the left of

the compact module.

Please note:

 All contacts should be protected from contamination.
 The mechanics of the compact modules are designed for 50 plug in/

out cycles.

Procedure:

 Slot the groove on the compact module on to the mounting rail from

below [1].

 Push the compact module back as far as it will go [2].
 Make sure that the locking mechanism [3] is pushed downwards, con-

necting the module firmly to the mounting rail.

 On the mounting rail, slide the compact module to the left.

NOTICE
Potential contact damage due to twisting!

The contacts for the Module Supply and Periphery Supply can
be bent by twisting the compact modules on the mounting rail.

 On the mounting rail, carefully slide the compact module to the

left, in parallel to the adjoining module, until you hear the lateral
mounting hooks on the adjacent module lock into position [4].

5-2

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5 Installation

[1]

[3]

[4]

[2]

[4]

5.2 Install compact module

Schematic representation:

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5-3

5 Installation

5-4

Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: [phone], Telefax: [phone], E-Mail: [e-mail]

6 Wiring

1

5

6

9

6.1 Interface configuration

66000WiringWiring6-6.1Interface configuration6100Interface configuration6-

6.1.1 RS232 interface

RS232 interface6-][Schnittstelle RS232 K Trumph

RS 232 Layout X1

Male D-Sub connector 1: n.c.

2: Input Rx (receive data)
3: Output Tx (send data)
4: n.c.
5: GND
6: n.c.
7: Output RTS
8: Input CTS
9: n.c.

n.c. = not connected

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6-1

6 Wiring

6-2

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7 Operation

7.1 Messages

77000OperationOperation7-7.1Messages71 00Messages7-][BA_Betrie b Störung LED "Err" Sys B

A module error is displayed via the "Err" LED (see section entitled "Dis­play elements"), signalled to the head module and then entered in the

][BA_Betrieb Fehler Ser

Errors Statement Remedy

Start-up error Error as the PSSu system starts up Change faulty module.
Configuration error Wrong module type selected or invalid

ST communication error Error during ST communication Change faulty module
Bus termination error There is no terminating plate or there is

head module's diagnostic log.

The module can detect the following errors:

Adjust the configured hardware regis-

module configuration

a bad contact with the module bus.

try to the actual hardware registry so
that they match, or correct the module
configuration.

Install a terminating plate with inte­grated end bracket or insert the base
modules together correctly.

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7-1

7 Operation

Run

Run

Err

Err

7.2 Display elements

7.2Display elements7200Display elements7-Anzeige Legende 2x

Key:

LED on

LED off

7.2.1 Display element for operational readiness

Display element for operational readiness7-BA_Anzeige

The module has an LED for displaying that the system is ready for oper­ation (LED "Run").

LED Key
Description Colour Status
Run - - - Module not

7.2.2 Display element for module error

Display element for module error7-][BA_Anzeige LED Err K Trum ph

The module has an LED for displaying module errors ("Err" LED).

ready for opera­tion

green Module ready

for operation

7-2

LED Key
Description Colour Status
Err - - - No fault

Red Module is faulty

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7 Operation

Rx

Tx

Tx

Rx

7.2 Display elements

7.2.3 Display elements for data transmission

Display elements for data transmission7-BA_Anzeige

The module has the LEDs Tx and Rx for displaying the data transfer
(LEDs "Tx" and "Rx").

LED Key
Descrip-

tion
Tx - - - No data

Colour Status Signal Pin

green Send

2

transfer

data

Rx - - - No data

transfer

green Receive

data

3

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7-3

7 Operation

7-4

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8 Technical details

8.1 Technical details

88000Technical detailsTechnical details8-8.1Technical details8100Technical details8-][Technische Daten PSSu seriell(-T) Kompakt

Technical details

Application range Standard
Module's device code 0720h
Support in system environment A no
Support in system environment B yes
from head module ST firmware version 1.0.0

Electrical data

Internal supply voltage (module supply)
Supply voltage range of module supply 4.8 - 5.4 V
Module's current consumption 125 mA
Module's power consumption 0.63 W
Periphery's supply voltage (periphery supply)
Voltage range 16.8 - 30.0 V
Module's current consumption 20 mA
Module's power consumption 0.48 W
Max. power dissipation of the module 1.20 W

Serial interface

Number of RS232 interfaces 1
Transmission rate (configurable) 1.2 kBit/s, 19.2 kBit/s, 2.4 kBit/s, 300 Bit/s, 4.8 kBit/s,

600 Bit/s, 9.6 kBit/s
Max. cable run 15 m
Size of receive buffer 1,023 Byte
Size of send buffer 127 Byte
Potential isolation between interface and Module Supply yes
Potential isolation between interface and Periphery Supply yes

Environmental data
Climatic suitability EN 60068-2-14, EN 60068-2-1, EN 60068-2-2, EN 60068-

2-30, EN 60068-2-78

Ambient temperature in accordance with EN 60068-2-14 0 - 60 °C
Storage temperature in accordance with EN 60068-2-1/-2 -25 - 70 °C
Climatic suitability in accordance with EN 60068-2-30, EN

60068-2-78

Condensation not permitted
Max. operating height above sea level 2000 m
EMC EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-

Vibration to EN 60068-2-6
Frequency 10.0 - 150.0 Hz
Max. acceleration 1g
Shock stress

EN 60068-2-27 15g

EN 60068-2-29 10g

Protection type in accordance with EN 60529
Mounting (e.g. cabinet) IP54
Housing IP20
Airgap creepage in accordance with EN 61131-2, IEC

60664-1

Overvoltage category II
Pollution degree 2

93 % r. h. at 40 °C

4-5, EN 61000-4-6, EN 61131-2

11 ms

16 ms

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8-1

8 Technical details

8.1 Technical details

Mechanical data

Housing material
Front PC
Bottom PC
Dimensions
Height 128.9 mm
Width 30.0 mm
Depth 56.0 mm
Weight 81 g

Technische Daten_Satz No rmen

The standards current on 2009-03 apply.

8-2

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8 Technical details

8.2 Order reference

8.2Order reference8200Order reference8-Best elldaten Mod ul

Order reference

Description Order no.

PSSu K S RS232 Modbus ASCII
(Compact module without connector, labelling bracket and labelling strips)

][Bestelldaten Zubehör K

Accessories Order no.

PSSu A Con 1/10 C, Scope of delivery: 2 pieces
(Connector with spring-loaded terminals, 1-row/10-pin)
PSSu A Con 3/30 C, Scope of delivery: 2 pieces
(Connector with spring-loaded terminals, 3-row/30-pin)
PSSu A LC 0.1, Scope of delivery: 5 pieces
(Labelling bracket)
PSSu A LA0, Scope of delivery: 1080 pieces (10 x DIN A4 sheet, 108 on each)
(Labelling strips, laser printable)

312 438

313 115

313 116

312 966

312 958

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8-3

8 Technical details

8-4

Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: [phone], Telefax: [phone], E-Mail: [e-mail]

...

1001689-EN-04, 2012-06 Printed in Germany

© Pilz GmbH & Co. KG, 2011

[phone]
[e-mail]

Pilz GmbH & Co. KG
Felix-Wankel-Straße 2
73760 Ostfildern, Germany
Telephone: [phone]
Telefax: [phone]
E-Mail: [e-mail]
Internet: www.pilz.com

Technical support

In many countries we are
represented by our subsidiaries
and sales partners.

Please refer to our homepage
for further details or contact our
headquarters.

InduraNET p

®

, Pilz

®

, PIT

®

, PMCprotego

®

, 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. We would point out that product features may vary from the details stated in this document, depending on the status at the time of publication and the scope

of the equipment. We accept no responsibility for the validity, accuracy and entirety of the text and graphics presented in this information. Please contact our Technical Support if you have any questions.

Contact address