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Preface, Contents
1
Overview
2
ASi Basics
SIMATIC
3
Configuration Options
Distributed I/O System
4
Installing and Wiring DP/ASi Link
DP/ASi Link
5
Configuring the DP/ASi Link
Manual
6
DP/ASi Link to S7
7
Operating Modes
8
Diagnostics and Error Handling
Appendices
A
Technical Data
B
I/O Code
C
Parameterization Message
D
Configuration Message
Glossary, Index
EWA 4NEB 710 6055-02b
Edition 3
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Safety Guidelines This manual contains notices which you should observe to ensure your own personal safety, as well as to protect the product and connected equipment. These notices are highlighted in the manual by a warning triangle and are marked as follows according to the level of danger: Danger ! indicates that death, severe personal injury or substantial property damage will result if proper precautions are not taken. Warning ! indicates that death, severe personal injury or substantial pro
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Preface Purpose of manual The information contained in this manual will enable you to: install an Actuator Sensor Interface (ASi) commission the DP/ASi link Manual contents The scope of delivery of MLFB 6ES7 156-0AA00-8AA0 consists of the manual: Distributed I/O System DP/ASi Link, Edition 3 installing and wiring the distributed I/O system DP/ASi link configuring the DP/ASi link diagnostics and error handling technical data Applicability The present manual is valid for: Order No. R
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Preface Changes from Compared to the previous edition of this manual, Distributed I/O System DP/ previous edition ASi Link having the Order No. 6ES7 156-0AA00-8AA0, Edition 2, the fol- lowing changes have been incorporated: DP/ASi link to S7 diagnostics during operation with an S7/M7 DP master Standards and The DP/ASi link meets the requirements and criteria of the following stan- approvals dards and approvals: IEC 1131, Part 2 EN 50170 Volume 2, PROFIBUS ASi: Actuator Sensor Interfac
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Preface Further support Should you have any technical queries, please contact your Siemens repre- sentative at the agents or branch office responsible. You will find the address in the manuals describing the DP masters – for example, in the appendix “Siemens Worldwide” to the S7-300 Programmable Controller; Hardware and Installation manual, in catalogs and on CompuServe (GO AUTFORUM). In addition, you can contact our hotline by calling +49 (911) 895-7000 (Fax 7001). Should you require the type f
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Preface Distributed I/O System DP/ASi Link EWA 4NEB 710 6055-02b vi
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Contents Preface 1 Overview 1.1 Using the DP/ASi Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1.2 What is the DP/ASi Link? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 1.3 View of the DP/ASi Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 2 ASi Basics 2.1 Structure of ASi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Contents 4.4 Additional Components for PROFIBUS-DP . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15 4.4.1 T Connector (6ES5 762-2CT11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16 4.4.2 Power Supply Connector (6ES5 762-2CS11) . . . . . . . . . . . . . . . . . . . . . . . . 4-17 4.4.3 Programmer Connector (6ES5 762-2CA12) . . . . . . . . . . . . . . . . . . . . . . . . . 4-18 4.4.4 Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Contents A Technical Data A.1 Standards and Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2 A.2 General Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-4 B I/O Code C Parameterization Message C.1 Structure of the Parameterization Message in Configuring with Address Optimization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2 C.2 Par
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Contents Figures 1-1 Integrating the DP/ASi link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1-2 Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 1-3 View of DP/ASi link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 2-1 Example installation of an ASi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 2-2 View
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Contents Tables 1-1 Length of the PROFIBUS bus cable as a function of the baud rate on the PROFIBUS DP bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 3-1 Configuration options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 3-2 Length of bus cable when PROFIBUS-DP and power supply are fed on the same bus cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6 3-3 Length o
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Contents 8-17 Structure of bytes 17 to 19 in diagnostic message . . . . . . . . . . . . . . . . . . . 8-20 8-18 Assignment of the ASi address to bit positions, bytes 20 to 23 . . . . . . . . . 8-20 8-19 Basic structure of diagnostic message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21 8-20 Indication of failed ASi slaves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21 8-21 Actual ASi configuration . . . . . . . . . . . . . . . . . . . . . . .
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1 Overview Introduction You use the DP/ASi link to interface the Actuator Sensor Interface to the PROFIBUS-DP. Devices and mod- The DP/ASi link operates as a DP slave and requires a DP master – for exam- ules ple, an IM 308-C. In this chapter In Section You Will Find on Page 1.1 Using the DP/ASi Link 1-2 1.2 What is the DP/ASi Link? 1-3 1.3 View of the DP/ASi Link 1-5 Distributed I/O System DP/ASi Link EWA 4NEB 710 6055-02b 1-1
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Overview 1.1 Using the DP/ASi Link The DP/ASi link connects the Actuator Sensor Interface (referred to in the Definition following as ASi) to the PROFIBUS-DP. PROFIBUS-DP conforms to the PROFIBUS-DP standard EN 50170 Vol- ume 2, PROFIBUS; the term DP means ”distributed I/O”. You will find an explanation of how the ASi works in Chapter 2. ASi and PROFI- BUS-DP Higher level DP master PROFIBUS-DP DP DP/ASi slave link ASi Actuator Actuator Sensor Sensor Lowest level Figure 1-1 Integrating the DP/ASi
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Overview 1.2 What is the DP/ASi Link? The DP/ASi link connects the actuator sensor interface (ASi) to the PROFI- Definition BUS-DP field bus. In doing so, the protocols of the bus systems are conver- ted. Overview The DP/ASi link belongs to the Distributed I/O. The DP/ASi link is a DP slave. In addition, other components belong to the DP/ASi link. Not all components are necessarily required for operation: Components T connector PS SV Power supply connector cntr PG Programmer connector 2-core Bus
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Overview Connections – PROFIBUS-DP – ASi cable – 24 V DC power supply Optical isolation between PROFIBUS-DP and ASi Direct ET 200 Handheld connection possible for setting the station num- ber (using an adapter cable) ASi diagnostics using LEDs The diagnosis can also be read using the DP master. The DP/ASi link has LEDs with the following meanings – RUN – BF (bus error) – ASi POWER FAIL (ASi power supply failure) – CONFIG ERROR (configuration error) – AUTOPROG AV (automatic programming
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Overview 1.3 View of the DP/ASi Link Fig. 1-3 contains an illustration of the DP/ASi link. View You will find detailed descriptions of the different areas of the DP/ASi link in Chapter 4. DP / ASi LINK ASi POWER FAIL RUN BF ASi SINEC CONFIG ERROR L2-DP 3 + PS 1 + AUTOPROG AV CONFIG MODE 12 + + 4+ + 8 16 = ASi SLAVE FAIL 12 3 4 5 6 6ES7 156-0AA01-0XA0 2 connections for LEDs Screw-type cover Connection PROFIBUS-DP for DIP switch for ASi cable block Figure 1-3 View of DP/ASi link Distributed
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Overview Distributed I/O System DP/ASi Link EWA 4NEB 710 6055-02b 1-6
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2 ASi Basics Introduction If you wish to acquire a general idea of ASi, this is the right chapter for you. If you are already familiar with ASi, you can skip this chapter. Definition The Actuator Sensor Interface is a wiring system to which a master and up to 31 slaves can be connected. The ASi master (the DP/ASi link) periodically transfers input and output data from and to all the ASi slaves within a period not exceeding 5 ms. The slaves may be configured as modules or intelligent actuators an
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ASi Basics 2.1 Structure of ASi You can install the ASi as branched with a single 2-wire cable. You connect Structure the DP/ASi link, the different ASi slaves and the ASi power supply unit to any point on the ASi cable. Example installa- Fig. 2-1 shows an example installation of an ASi. tion a To PROFIBUS-DP Connection of DP/ASi link by means of ASi cable b Remote ASi slave with external power supply unit DP/ASi link c ASi power ASi with star termination d supply unit You can also connect the A
