Siemens SIMATIC NET CP 142-2 User manual

SIMATIC NET
CP 142-2
Manual
1 Introduction
2 Technical Description and Installation Instructions
3 Standard Operation
4 Extended Operation
5 Replacing a Defective Slave / Automatic Address Programming
6 Error Indicators / Dealing with Errors
7 PROFIBUS DP Configuration When Using the
BM141/BM142
A AS-Interface Protocol Implementation
Conformance Statement (PICS)
B References
C Abbreviations
C79000-G8976-C111 Release 02
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C79000-G8900-C111
Copyright © Siemens AG 1997
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C79000-G8976-C111
Copyright © Siemens AG 1997
All Rights Reserved
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C79000-G8972-C111
Copyright © Siemens AG 1997
All Rights Reserved
Siemens Aktiengesellschaft Elektronikwerk Karlsruhe
Printed in the Federal Republic of Germany

SIMATIC NET
CP 142-2
Manual C79000-B8976-C111/02

We would point out that the contents of this product documentation shall not become a part of or modify any prior or existing
agreement, commitment or legal relationship. The Purchase Agreement contains the complete and exclusive obligations of
Siemens. Any statements contained in this documentation do not create new warranties or restrict the existing warranty.
We would further point out that, for reasons of clarity, these operating instructions cannot deal with every possible problem arising
from the use of this device. Should you require further information or if any special problems arise which are not sufficiently dealt
with in the operating instructions, please contact your local Siemens representative.
General This device is electrically operated. In operation, certain parts of this device carry a dangerously high voltage.
WARNING! Failure to heed warnings may result in serious physical injury and/or material damage.
Only appropriately qualified personnel may operate this equipment or work in its vicinity. Personnel must be
familiar with all warnings and maintenance measures in accordance with these operating instructions.
Correct and safe operation of this equipment requires proper transport, storage and assembly as well as
careful operator control and maintenance.
Personnel qualification requirements
Qualified personnel as referred to in the operating instructions or in the warning notes are defined as persons who are familiar with
the installation, assembly, startup and operation of this product and who possess the relevant qualifications for their work, e.g.:
− Training in or authorization for connecting up, grounding or labeling circuits and devices or systems in accordance with current
standards in safety technology;
− Training in or authorization for the maintenance and use of suitable safety equipment in accordance with current standards in
safety technology;
− First Aid qualification.
!

B8976111/02 Contents
I-1
Contents
1 Introduction 1-1
1.1 General 1-2
1.1.1 Overview of the Chapters 1-2
1.1.2 General Information for the Reader 1-3
1.1.3 Requirements for Understanding the Manual 1-4
1.1.4 Sample Programs 1-5
1.1.5 Further Support and Hotline 1-5
2 Technical Description and Installation Guidelines 2-1
2.1 Overview of the Module 2-2
2.1.1 Introduction 2-2
2.1.2 Technical Specifications of the Module 2-3
2.1.3 Installing and Connecting the CP 142-2 2-4
2.1.4 Indicators and Operator Controls on the CP 142-2 2-6
2.1.4.1 Meaning of the Indicators and Operator Controls: 2-6
2.1.4.2 Status Display of the CP 142-2 (all group LEDs off) 2-7
2.1.4.3 Slave Display of the CP 142-2 (at least on group LED lit) 2-8
2.1.4.4 Meaning of theSET/DISPLAY Button 2-9
2.1.4.5 Slots Permitted for the CP 142-2 in the ET 200X Distributed I/O Station 2-9
2.1.4.6 Configuring the AS-Interface with the SET/DISPLAY Button 2-9
2.1.4.7 Types of Operation with the CP 142-2 2-11
3 Standard Operation of the CP 142-2 3-1
3.1 Addressing the CP 142-2 3-1
3.1.1 Addressing using the BM141/BM142 3-1
3.1.2 Addressing when using the BM147 3-1
3.2 How the User Program Addresses the AS-i Slaves 3-2
3.2.1 Addressing AS-i User Data 3-2
3.2.2 Accessing the AS-i User Data (BM141, BM142) 3-4
3.2.3 Access to the AS-i User Data (BM147) 3-5
3.3 Diagnostics and Reaction to Interrupts on the CP 142-2 3-6
3.3.1 Diagnostics and Reaction to Interrupts with the BM141/BM142 3-6
3.3.1.1 Interrupt Events 3-6
3.3.1.2 Structure of PROFIBUS DP Slave Diagnostics 3-7
3.3.2 Diagnostics and Reaction to Interrupts with the BM147 3-10
3.3.2.1 Overview 3-10
3.3.2.2 Interrupt Events 3-10
3.3.2.3 Sequence of Diagnostic Interrupt Servicing 3-11
3.3.2.4 Response to Interrupts in Various CP States 3-11
3.3.2.5 Local Data of the Diagnostic Organization Block (OB82) 3-12
3.3.2.6 Reading the Diagnostic Data Record DS1 3-13
3.3.2.7 Programming Example 3-14
4 CP 142-2 Extended Operation with FC “ASI_3422” 4-1
4.1 Overview of the Functions 4-1
4.1.1 Calling the Function 4-1
4.2 Interface for AS-i commands 4-7
4.2.1 The Commands Supported by the CP 142-2 4-7
4.2.1.1 Set_Permanent_Parameter 4-8
4.2.1.2 Get_Permanent_Parameter 4-8
4.2.1.3 Write_Parameter 4-9
4.2.1.4 Read_Parameter 4-9

B8976111/02 Contents
I-2
4.2.1.5 Store_Actual_Parameters 4-10
4.2.1.6 Set_Permanent_Configuration 4-10
4.2.1.7 Get_Permanent_Configuration 4-11
4.2.1.8 Store_Actual_Parameters 4-11
4.2.1.9 Read_Actual_Configuration 4-12
4.2.1.10 Set_LPS 4-12
4.2.1.11 Set_Offline_Mode 4-13
4.2.1.12 Set_Auto_Address 4-14
4.2.1.13 Set_Operation_Mode 4-14
4.2.1.14 Change_Slave_Address 4-15
4.2.1.15 Read Slave Status 4-16
4.2.1.16 Read Lists and Flags (Get_LPS, Get_LAS, Get_LDS, Get_Flags) 4-17
4.2.1.17 Read Total Configuration 4-19
4.2.1.18 Configure Total System 4-21
4.2.1.19 Write Parameter List 4-24
4.2.1.20 Read Parameter Echo List 4-25
4.2.1.21 Read Version ID 4-26
4.2.1.22 Read and Reset Slave Status 4-27
4.2.1.23 Read Slave ID 4-28
4.2.1.24 Read Slave I/O 4-28
5 Replacing a Defective Slave / Automatic Address Programming 5-1
6 Error Indicators on the CP 142-2 / Dealing with Errors 6-1
7 Configuring PROFIBUS DP When Using the BM141/BM142 7-1
A AS-Interface Protocol Implementation Conformance Statement (PICS)
B References
C Abbreviations

B8976111/02 AS-i Master Module CP 142-2
1-1
1 Introduction
This manual describes the functions and the programming of the CP 142-2. To fully understand this
manual, you should be familiar with the manual ‘AS-Interface Introduction and Basic Information’.
We recommend the following procedure when...
...You want a general overview of the
AS-Interface.
´ Read the manual ‘AS-Interface
Introduction and Basic Information'.
This manual contains general
information about the AS-Interface,
generally referred to as AS-i in this
manual.
...You want to install and start up the CP
142-2.
´ Chapter 2 Section 2.1 ‘Overview of the
Module’ and Chapter 3 ‘Standard
Operation of the CP 142-2’ contain the
information you require.
...You want to know how to program the
CP 142-2.
´ Read Chapters 3 and 4.
...you want to create a PLC program for
standard applications.
´ Chapter 3 contains all the information
you require about standard operation.
...you require additional information about
extended operation.
´ You will find the required information in
Chapter 4.

B8976111/02 AS-i Master Module CP 142-2
1-2
1.1 General
1.1.1 Overview of the Chapters
Chapter 1 Introduction
This chapter explains how to make the best use of the manual.
Chapter 2 Technical Description and Installation Guidelinesn
Chapter 2 provides you with an overview of the modes, installation and startup and the indicators and
operator controls of the CP 142-2.
Chapter 3 Standard Operation of the CP 142-2
Chapter 3 describes how to operate the CP 142-2 in the ET 200X distributed I/O system in standard
operation.
Chapter 4 CP 142-2 Extended Operation with FC “ASI_3422”
Chapter 4 describes the extended operation of the CP 142-2, that requires the
FC “ASI_3422” in the control program. In this type of operation, the AS-i slaves can be assigned
parameters or the slave addresses can be modified by the S7 program.
This mode is only possible with the BM147.
Chapter 5 Replacing a Defective Slave / Automatic Address Programming
Chapter 5 explains how to replace a failed AS-i slave quickly and simply.
Chapter 6 Error Indicators on the CP 142-2 / Dealing with Errors
This chapter explains the possible error indications on the CP 142-2 and explains how to deal with
them.
Chapter 7 PROFIBUS DP Configuration When Using the BM141/BM142
Chapter 7 contains additional information about DP configuration of the BM141/BM142.

B8976111/02 AS-i Master Module CP 142-2
1-3
1.1.2 General Information for the Reader
General symbols in the text:
 This symbol indicates an action for you to perform.
 This symbol highlights special features and dangers.

B8976111/02 AS-i Master Module CP 142-2
1-4
1.1.3 Requirements for Understanding the Manual
To fully understand the manual, you should already be familiar with the following:
± The manual ‘AS-Interface Introduction and Basic Information’.
± The manual 'ET 200X Distributed I/O System’