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Siemens EWA 4NEB 710 6055-02b manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    Preface, Contents Overview 1 ASi Basics 2 Configuration Options 3 Installing and Wiring DP/ASi Link 4 Configuring the DP/ASi Link 5 DP/ASi Link to S7 6 Operating Modes 7 Diagnostics and Error Handling 8 Appendices T echnical Data A I/O Code B Parameterization Message C Configuration Message D Glossary , Index Edition 3 EW A 4NEB 710 6055-02b Distri[...]

  • Page 2

    ii Distributed I/O System DP/ASi Link EW A 4NEB 710 6055 02b 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 indi[...]

  • Page 3

    iii Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Preface The information contained in this manual will enable you to:  install an Actuator Sensor Interface (ASi)  commission the DP/ASi link 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 wi[...]

  • Page 4

    iv Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Compared to the previous edition of this manual, Distributed I/O System DP/ 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 The DP/ASi link meets th[...]

  • Page 5

    v Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Should you have any technical queries, please contact your Siemens repre- sentative at the agents or branch office responsible. Y ou will find the address in the manuals describing the DP masters – for example, in the appendix “Siemens W orldwide” to the S7-300 Pr ogrammable Contr ol[...]

  • Page 6

    vi Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Preface[...]

  • Page 7

    vii Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 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[...]

  • Page 8

    viii Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.4 Additional Components for PROFIBUS-DP 4-15 . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.1 T Connector (6ES5 762-2CT1 1) 4-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.2 Power Supply Connector (6ES5 762-2CS1 1) 4-17 . . . . . . . . . . . .[...]

  • Page 9

    ix Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b A T echnical Data A.1 Standards and Approvals A-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A.2 General T echnical Data A-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B I/O Code C Parameterization Message C[...]

  • Page 10

    x Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Figures 1-1 Integrating the DP/ASi link 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Components 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 View of DP/ASi link 1-5 . . . . . . . .[...]

  • Page 11

    xi Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b T ables 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 12

    xii Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 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 . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 13

    1-1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Overview Y ou use the DP/ASi link to interface the Actuator Sensor Interface to the PROFIBUS-DP . The DP/ASi link operates as a DP slave and requires a DP master – for exam- ple, an IM 308-C. In Section Y ou Will Find on Page 1.1 Using the DP/ASi Link 1-2 1.2 What is the DP/ASi Link? 1[...]

  • Page 14

    1-2 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 1.1 Using the DP/ASi Link The DP/ASi link connects the Actuator Sensor Interface (referred to in the following as ASi) to the PROFIBUS-DP . PROFIBUS-DP conforms to the PROFIBUS-DP standard EN 50170 V ol- ume 2, PROFIBUS; the term DP means ”distributed I/O”. Y ou will find an explanat[...]

  • Page 15

    1-3 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 1.2 What is the DP/ASi Link? The DP/ASi link connects the actuator sensor interface (ASi) to the PROFI- BUS-DP field bus. In doing so, the protocols of the bus systems are conver- ted. The DP/ASi link belongs to the Distributed I/O. The DP/ASi link is a DP slave. In addition, other compo[...]

  • Page 16

    1-4 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b  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 [...]

  • Page 17

    1-5 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 1.3 View of the DP/ASi Link Fig. 1-3 contains an illustration of the DP/ASi link. Y ou will find detailed descriptions of the dif ferent areas of the DP/ASi link in Chapter 4. DP / ASi LINK CONFIG ERROR AUTOPROG A V CONFIG MODE ASi POWER F AIL RUN BF 12 4 8 1 6 + + + + = ASi SLA VE F AIL[...]

  • Page 18

    1-6 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Overview[...]

  • Page 19

    2-1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b ASi Basics 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 . 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/AS[...]

  • Page 20

    2-2 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 2.1 Structure of ASi Y ou can install the ASi as branched with a single 2-wire cable. Y ou connect the DP/ASi link, the different ASi slaves and the ASi power supply unit to any point on the ASi cable. Fig. 2-1 shows an example installation of an ASi. DP/ASi link ASi power supply unit AS[...]

  • Page 21

    2-3 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 2.2 Elements of ASi The DP/ASi link is the ASi master . It controls communication in the ASi. The DP/ASi link periodically exchanges data with the ASi slaves. ASi slaves are the input and output channels of the ASi. ASi slaves transfer data to the DP/ASi link when requested to do so by t[...]

  • Page 22

    2-4 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Y ou use the ASi distribution unit when you  branch the ASi cable without using an ASi slave  reroute the ASi cable to a normal 2-wire cable. The ASi distribution unit is designed as a module and is not assigned an ASi address. Y ou connect the dif ferent elements via an ASi cable [...]

  • Page 23

    2-5 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 2.3 Example Configuration of a Module Every module consists of an upper part and a lower part. As an example, you can see an illustration in Fig. 2-2 of an upper part with two inputs and two outputs and a lower part for the ASi cable without an in- terface for an external power supply . [...]

  • Page 24

    2-6 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 2.4 Connecting Elements Y ou connect the elements of the ASi by attaching the modules to the ASi cable. Y ou do not have to operate the ASi cable for this. The ASi cable is connected to the DP/ASi link by means of a connector . In section 2.3, Fig. 2-2, you can see an illustration of an [...]

  • Page 25

    2-7 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 2.5 Interruption or Short-Circuit of the ASi cable If the ASi cable is short-circuited due to pinching or fraying of the insulation, data exchange no longer takes place on the ASi cable. If the ASi cable is interrupted, you can no longer address the actuators or sensors which, as viewed [...]

  • Page 26

    2-8 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b ASi Basics[...]

  • Page 27

    3-1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Configuration Options At this point we will show you how you integrate the DP/ASi link into the PROFIBUS-DP , and what you have to bear in mind when you do so. The power supply (PS) described in this chapter is the 24 VDC power supply of the DP/ASi link, which is required to operate it. [...]

  • Page 28

    3-2 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 3.1 Summary of Configuration Options PROFIBUS-DP presents you with dif ferent configuration options for combin- ing the PROFIBUS-DP and the 24 V power supply of the devices. The fol- lowing T able 3-1 shows the different options. T able 3-1 Configuration options Power Supply Connector fo[...]

  • Page 29

    3-3 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 3.2 Configuration without T Connector and with Power Supply Connec- tor In a configuration with a looped-through field bus and a power supply , the DP/ASi link is connected directly to the PROFIBUS-DP . The power supply is gated by means of the power supply connector with the PROFIBUS-DP[...]

  • Page 30

    3-4 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 3.3 Configuration with T Connector and with Power Supply Connector In a configuration with a power supply connector and a T connector , the DP/ ASi link is connected by means of a T connector to the PROFIBUS-DP . The power supply is gated by means of the power supply connector with the P[...]

  • Page 31

    3-5 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b W ith the DP/ASi link, spur lines are not authorized except for the program- mer or the ET 200 Handheld. This means that the 12-pin plug of the T con- nector is always screwed directly to the bus connection of a module. Without spur line With spur line Figure 3-4 Rule for installation wi[...]

  • Page 32

    3-6 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 3.4 Configuration with Several Power Supply Connectors In configurations with a power supply connector (refer to sections 3.2 and 3.3), the power supply is fed along the bus cable. This configuration is limited by the following factors:  If the power supply and the PROFIBUS-DP field b[...]

  • Page 33

    3-7 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 3.5 Configuration without Power Supply Connector In a configuration with a separate power supply , every slave station is sup- plied with power separately . This power supply must not be fed on the bus cable. The T connector for connecting PROFIBUS-DP is imperative for continuous looping[...]

  • Page 34

    3-8 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b W ith the DP/ASi link, spur lines are not authorized except for the program- mer or the ET 200 Handheld. This means that the 12-pin plug of the T con- nector is always screwed directly to the bus connection of a module. Without spur line With spur line Figure 3-7 Rule for installation wi[...]

  • Page 35

    3-9 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 3.6 Configuration with Programmer Connector If you wish to operate the programmer on the PROFIBUS-DP in an IP 66/IP 67 environment, you require a programmer connector . T o connect the programmer to the programmer connector , you require two plug-in connectors:  adapter cable  prog[...]

  • Page 36

    3-10 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Both the 2-core cable and the 5-core cable can be connected to the program- mer connector . A programmer connector may be placed anywhere on the PROFIBUS-DP field bus. When doing so, pay attention to the following:  Since a terminating resistor cannot be inserted, the programmer conn[...]

  • Page 37

    4-1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Installing and Wiring the DP/ASi Link In this chapter you will learn how the DP/ASi link is installed mechanically and electrically . When you have worked your way through this chapter , you will be in a posi- tion to install and connect the DP/ASi link. Y ou will know what accessories y[...]

  • Page 38

    4-2 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.1 Installation The IP 66/IP 67 degree of protection can be guaranteed for the DP/ASi link only under the following conditions:  The supporting surface for the DP/ASi link must be level (without distor- tions).  Y ou must always cover the unused connection with the enclosed metal [...]

  • Page 39

    4-3 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.2 Electrical Wiring of DP/ASi Link Y ou can wire the 24 V supply to the DP/ASi link either as a grounded or an ungrounded installation, depending on the requirements of your system installation. The DP/ASi link exhibits the following characteristics:  PROFIBUS-DP and the ASi cable a[...]

  • Page 40

    4-4 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.2.1 Grounded Installation W ith grounded installation of the DP/ASi link, you have to connect the refer- ence potential of the electronics section to the protective conducter . Note that in this case only the power supply for the electronics (M24V) is grounded. The PROFIBUS-DP bus and [...]

  • Page 41

    4-5 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Grounded installation of the DP/ASi link is shown in the diagram below . L1 L2 L3 N PI (1) (2) (3) (4) (5) G L+ Connection for grounded installation G L+ G L+ PI G L+ PI G L+ PI G L+ PI (6) PS DP/ASi link DP/ASi link 24 V 24 V cntr . (6) Figure 4-1 Grounded installation of DP/ASi link In[...]

  • Page 42

    4-6 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.2.2 Ungrounded Installation W ith ungrounded installation of the 24V supply to the DP/ASi link, there is no link between the external power supply (terminal G) and PI, thus resulting in the protective conductor loosing its protective function. Due to the internal design of the DP/ASi l[...]

  • Page 43

    4-7 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Ungrounded installation of the DP/ASi link is shown in the diagram below . L1 L2 L3 N PI (1) (2) (3) (5) G L+ G L+ G L+ PI G L+ PI G L+ PI G L+ PI (6) PS cntr . (7) >U DP/ASi link DP/ASi link 24 V 24 V (6) Figure 4-2 Ungrounded installation of DP/ASi link Installation Installing and W[...]

  • Page 44

    4-8 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.2.3 Connecting the DP/ASi Link to ASi and PROFIBUS-DP The location of the three sockets of the DP/ASi link is described in Fig. A-1. Y ou will find the pinout of the DP/ASi link sockets in T able 4-2 and T able 4-3. Connect the ASi cable with the special terminal. Secure the connector [...]

  • Page 45

    4-9 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Y ou can connect either the PROFIBUS-DP or the power supply to the device connector . The two 12-pin connectors are interconnected internally . T able 4-3 shows the assignment of the 12-pin device connector . T able 4-3 Pin assignment of 12-pin device connector Pin Assign- ment Meaning V[...]

  • Page 46

    4-10 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.3 Commissioning In this section you will learn what you have to take into consideration to commission the DP/ASi link. Y ou commission the DP/ASi link in several steps. Step Action Note 1 Install and wire the ASi completely . Connect the ASi power supply to the ASi cable. Refer to the[...]

  • Page 47

    4-1 1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.3.1 Selecting the Station Number for PROFIBUS-DP W ith the station number , you identify every station of the PROFIBUS-DP . The station number represents the name used by the DP master to address individual stations. W ith switch 8 of the DIP switch block (refer to Fig. 4-3), you def[...]

  • Page 48

    4-12 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.3.2 Setting a Station Number on the DIP Switch Block If you wish to use the station number of the DIP switch block, you must set the configured station number of the DP/ASi link on the DIP switch block before initial startup. Y ou will find the DIP switch block under the screw-type co[...]

  • Page 49

    4-13 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.3.3 Station Number in EEPROM The DP/ASi link is supplied to you with the default station number ,126, in the EEPROM. The DIP switch block is set ex works so that the station num- ber in the EEPROM is valid. Y ou have to modify this station number either by using the ET 200 Handheld or[...]

  • Page 50

    4-14 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b In certain cases the station number in the EEPROM of the DP/ASi link has to be reset. Proceed in the following order: Step Action 1 T urn off the power supply for the DP/ASi link. 2 T urn switch 8 on the DIP switch block to OFF . 3 T urn on the power supply for the DP/ASi link and then [...]

  • Page 51

    4-15 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.4 Additional Components for PROFIBUS-DP Y ou require additional components to operate the DP/ASi link on the PROFIBUS-DP . Y ou will learn what components are involved, and their characteristics, in this section. In Section Y ou Will Find on Page 4.4.1 T Connector (6ES5 762-2CT1 1) 4-[...]

  • Page 52

    4-16 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.4.1 T Connector (6ES5 762-2CT1 1) Y ou require a T connector for the following configurations:  Configuration with power supply connector and T connectors (refer to section 3.3)  Configuration with external power supply (refer to section 3.5) This means that the PROFIBUS-DP can [...]

  • Page 53

    4-17 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.4.2 Power Supply Connector (6ES5 762-2CS1 1) The power supply connector is used to link the PROFIBUS-DP and the 24 VDC external power supply for the DP/ASi link. The power supply connector has the following characteristics:  Degree of protection: IP 66/IP 67 (refer to installation [...]

  • Page 54

    4-18 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.4.3 Programmer Connector (6ES5 762-2CA12) A programmer connector is used to connect the programmer within the IP 66/IP 67 environment to the PROFIBUS-DP . The programmer connector has the following characteristics:  Degree of protection: IP 66/IP 67 (refer to installation rules, se[...]

  • Page 55

    4-19 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.4.4 Cables The PROFIBUS-DP features different installation options, for which you need the correct cables. There are the following types of cables. T able 4-5 PROFIBUS-DP cables No. of Cores Usage 2 PROFIBUS-DP field bus, power supply is not incorporated 5  For PROFIBUS-DP field bu[...]

  • Page 56

    4-20 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b The following table shows the Order Numbers for the standard lengths: T able 4-6 Order Numbers for cables in standard lengths (core cross-section 0.75 mm 2 , maximum current loading 4 A) Preparation Cable (Standard Sheath) Cable (Non-welding Sheath) 5-core cable (unprepared) 6ES5 717-1 [...]

  • Page 57

    4-21 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.4.5 T erminating Resistor (6ES5 755-2CA1 1) A bus cable must always be terminated at both ends with a terminating resis- tor . Screw the terminating resistor on a 12-pin socket or on the bus connector of the:  DP/ASi link or  T connector The terminating resistor has the  IP 6[...]

  • Page 58

    4-22 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.4.6 Adapter Cable (6ES5 755-8CA1 1) The adapter cable is required to connect the programmers (with programmer interface module CP 5410-S5 DOS/ST) or the ET 200 Handheld to the PROFIBUS-DP . The programmer or the ET 200 Handheld are required for  Setting the station number  T est[...]

  • Page 59

    4-23 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 4.4.7 W iring of PROFIBUS-DP This section describes the points you have to take into account when you wish to prepare the bus cables yourself. W e can provide you with ready cut and terminated cables for the bus connec- tion and the power supply (refer to section 4.4.3). For the bus con[...]

  • Page 60

    4-24 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Installing and Wiring the DP/ASi Link[...]

  • Page 61

    5-1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Configuring the DP/ASi Link T o operate the DP/ASi link to the PROFIBUS-DP , you must configure and assign parameters to it. There are two ways in which you can configure a DP/ASi link: 1. Y ou can use the STEP 7 application ( version 2.1 or higher) or COM ET 200 W indows (version 2.0 or[...]

  • Page 62

    5-2 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b In Section Y ou Will Find on Page 5.1 Configuring - for Example with COM ET 200 W indows (V ersion 2.0 or Later) 5-3 5.2 Example Using COM ET 200 W indows (V ersion 2.0 or Later) 5-5 5.3 Operating the DP/ASi Link with an External Master 5-6 In this chapter Configuring the DP/ASi Link[...]

  • Page 63

    5-3 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 5.1 Configuring – for Example with COM ET 200 Windows (V ersion 2.0 or Later) In the following you will find a description of the method by which you can integrate the DP/ASi link into the PROFIBUS-DP using COM ET 200 W indows (version 2.0 or later). Y ou will find additional informati[...]

  • Page 64

    5-4 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b By choosing Parameterize... , you can influence the start-up characteristics of the DP/ASi link. Y ou can differentiate between ”actual is equal to setpoint configuration” and ”actual is less than or equal to setpoint configuration”. By actual configuration we mean the actual con[...]

  • Page 65

    5-5 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 5.2 Example Using COM ET 200 Windows (V ersion 2.0 or Later) Y ou wish to connect an ASi with an ASi slave over the DP/ASi link to the PROFIBUS-DP . The ASi slave has the following assignment: S one ASi slave with 4 inputs Assign the ASi slave to the ASi address as shown in T able 5-1. S[...]

  • Page 66

    5-6 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 5.3 Operating the DP/ASi Link with an External Master If you do not use an application having an easy-to-use user interface for the DP/ASi link – for example, COM ET 200 W indows (version 2.0 or later) or a comparable application, you must pay attention to the following points. In Sect[...]

  • Page 67

    5-7 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 5.3.1 Configuring with Address Space Optimization Y ou can operate the DP/ASi link with any DP master that conforms with the DP standard and supports a parameterization message containing 140 bytes (full assignment of parameters). W e will confine ourselves here to showing you how to add[...]

  • Page 68

    5-8 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 5.3.2 Simple Configuration The DP/ASi link, version 3 or later , can also be operated on DP standard ma- sters having a reduced message length of 32 bytes (reduced parameter assign- ment). A DP standard master of this type is the S5-95U with its integrated DP master interface, for exampl[...]

  • Page 69

    5-9 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 5.3.3 Default Start-Up Y ou can also configure and assign parameters to the DP/ASi link from the DP standard master by means of a ”default start-up”. In a default start-up, the DP/ASi link operates with preset parameters, which are described in detail on the next few pages. The infor[...]

  • Page 70

    5-10 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b The table below describes the location of ASi data in the input and output area. A specific address is permanently assigned to every ASi slave:  even-numbered ASi slaves: bits 4 to 7  odd-numbered ASi slaves: bits 0 to 3 T able 5-2 I/O area assignment Input and Output Byte Bit 7 B[...]

  • Page 71

    5-1 1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Following power up, the DP/ASi link determines the configuration of the AS interface and expects a parameterization message and a configuration mes- sage from the DP master . The parameterization message is identical to the first seven bytes of the DP standard part (bytes 0 to 6). Y ou[...]

  • Page 72

    5-12 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Configuring the DP/ASi Link[...]

  • Page 73

    6-1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b DP/ASi Link to S7 If you operate the DP/ASi link to an S7 (6ES7 156-0AA01-0XA0 or later , version 1), you can re-assign the parameters of the ASi slaves connected to the DP/ASi link during operation. This is done on the S7 by SFCs 59 “RD_REC” and 58 “WR_REC”, which permit data re[...]

  • Page 74

    6-2 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b T able 6-1 Parameters for SFC 59 “RD_REC”, continued Parameter Description Memory Area Data T ype Declaration BUSY OUTPUT BOOL I, O, M, D, L BUSY = 1: Read operation still being processed RECORD OUTPUT ANY I, O, M, D, L Destination area for data record read Example: Data record 140 ([...]

  • Page 75

    6-3 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 6.1 Reading Data Records with SFC 59 ”RD_REC” Y ou use data record 140 to read lists and flags of the ASi slaves. In the case of lists, the ASi slaves present, enabled and configured are displayed. This data record also displays the version and release date of the DP/ASi link. T able[...]

  • Page 76

    6-4 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Data record 141 reads outs the parameter echoes of the different ASi slaves. Y ou can evaluate the reactions of the different ASi slaves in a parameter echo following a “WR_REC” write job in the user program. Y ou thus obtain a cur- rent image of the state of the ASi slaves. A nibble[...]

  • Page 77

    6-5 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Data record 2 reads the response of the last “WR_REC” write job. Y ou have to call a “RD_REC” read job by means of data record 2 after every “WR_REC” write job for the response of the last “WR_REC” write job to be read. T able 6-5 Structure of data record 2: Read response[...]

  • Page 78

    6-6 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 6.2 Writing Data Records with SFC 58 “WR_REC” Data record 142 writes parameters to ASi slaves. T able 6-7 Structure of data record 142: Write parameters to ASi slaves Byte Contents 0 01 to 1F H : Slave address 1 00 to 0F H : Parameters for the ASi slave Data record 143 modifies the o[...]

  • Page 79

    6-7 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 6.3 Example of Re-assigning Parameters to an ASi Slave with S7 Below you will find an example program for assigning parameters to the DP/ ASi link using an S7. It shows you how you can read out lists and flags of the ASi slave. Y ou use data record 140 to read the lists and flags of the [...]

  • Page 80

    6-8 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b The destination area of data record 140 is located in data block DB 59, for example. The following table describes the contents of DB59: Address Name Type Initial Value Comment 0.0 STRUCT +0.0 Vorh_Slaves ARRAY[0..3] Slaves present *1.0 BYTE +4.0 Akt_Slaves ARRAY[0..3] Slaves enabled *1.[...]

  • Page 81

    7-1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Operating Modes The DP/ASi link goes through various operating modes during operation, ranging from automatic start-up to normal mode and automatic program- ming. W e will briefly describe these operating modes for you. The configuration mode, which is assigned to the CONFIG MODE LED, is[...]

  • Page 82

    7-2 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 7.1 Automatic Start-up of DP/ASi Link There are not any switches on the DP/ASi link. The DP/ASi link commences work as soon as it is connected to the power supply . The following flowchart shows the sequence of automatic startup. Step Flowchart Meaning 1 Start The power supply of the DP/[...]

  • Page 83

    7-3 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Step Flowchart Meaning 9 A The DP/ASi link, as the ASi master , periodi- cally polls the I/O code and the ID code of all the ASi slaves possible. 10 Poll the data of all ASi slaves W as at least one ASi During the polling cycle, the DP/ASi link must detect at least one ASi slave. If no A[...]

  • Page 84

    7-4 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 7.2 Normal Operation In normal operation, the DP master exchanges data with the DP/ASi link in exactly the same manner as with any other DP slave. Y ou do not have take any specific action. In normal operation, there is a continuous exchange of data with the ASi and the PROFIBUS-DP . The[...]

  • Page 85

    7-5 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b If the connection to an ASi slave or an ASi slave fails during routine opera- tion, undefined states may occur at the outputs. Behavior depends on the slaves concerned and the causes of failure. The input data are reset in the DP/ASi link. The input data are not updated until a cause of [...]

  • Page 86

    7-6 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 7.3 Automatic Programming ”Automatic programming” is an operating mode that occurs only when one ASi slave fails. The DP/ASi link shows you the ”automatic programming” mode using the ”AUTOPROG A V” LED. Byte 20.4 is set simultaneously in the diagnostic message. If ”automati[...]

  • Page 87

    8-1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Diagnostics and Error Handling Y ou use the chapter entitled ”Diagnostics and Error Handling” to evaluate the diagnosis of the DP/ASi link and to take the necessary action. Y ou have two diagnostic options which refer you to the location at which the diagnostic information is stored.[...]

  • Page 88

    8-2 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 8.1 Diagnostics by Means of LEDs of DP/ASi Link For on-site diagnostics, the operating modes of the DP/ASi link are displayed by six LEDs. Five other LEDs indicate the address of the failed ASi slave (refer to Fig. 8-1). DP / ASi LINK CONFIG ERROR AUTOPROG A V CONFIG MODE ASi POWER F AIL[...]

  • Page 89

    8-3 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b So that the DP/ASi link display is not cluttered, failed ASi slaves (ASi- SLA VE F AIL) are displayed in binary code by five LEDs. Y ou have to add the numbers shown on the lit LEDs to determine the address of the failed ASi slave. If several ASi slaves have failed, the failed ASi slave [...]

  • Page 90

    8-4 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b T able 8-3 shows the meanings of the LEDs for ASi diagnostics and describes the action required to be taken for troubleshooting. For ASi diagnostics, the DP/ASi link has four LEDs. In the event of a failure, one or several LEDs are turned on. T able 8-3 LED display for faults on ASi side[...]

  • Page 91

    8-5 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b In addition to the different displays described in T able 8-2 and T able 8-3, combinations of several LEDs are also possible. T able 8-4 shows you the meanings of the displays. T able 8-4 Combination of several LEDs LEDs Meaning Remedy All on DP/ASi link starting up. – All on except AS[...]

  • Page 92

    8-6 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 8.2 Diagnostics by Means of User Program In Section Y ou Will Find on Page 8.2.1 Diagnostic Fundamentals in Operations with an IM308C 8-7 8.2.2 Diagnostic Fundamentals in Operations with an S7/M7 DP Master (STEP 7) or with Another PROFIBUS-DP Master 8-9 8.2.3 Structure of Diagnosis 8-10 [...]

  • Page 93

    8-7 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 8.2.1 Diagnostic Fundamentals in Operations with an IM308C Y ou can read the DP/ASi link diagnosis, as the ”slave diagnosis”, using func- tion block IM308C (FB192) into your PLC – for example, SIMA TIC S5 with IM 308 C. FB IM308C is described in detail in the Distributed I/O System[...]

  • Page 94

    8-8 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b At this point you will find a brief example of how to read the slave diagnosis into your PLC using FB IM308C. The following assumptions apply to this STEP 5 program:  The IM 308-C is assigned, as a PROFIBUS-DP master , pages 0 to 15 (number 0 of IM 308-C).  The station number of th[...]

  • Page 95

    8-9 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 8.2.2 Diagnostic Fundamentals in Operations with an S7/M7 DP Master (STEP 7) or with Another PROFIBUS-DP Master If you are operating the DP/ASi link as a DP slave with a SIMA TIC S7/M7 DP master , the DP/ASi link behaves like a central S7-300 I/O module. Y ou read out the diagnosis (data[...]

  • Page 96

    8-10 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 8.2.3 Structure of Diagnosis The structure of the diagnostic message conforms with the PROFIBUS-DP standard. Note The structure of the diagnostic message described below does not apply to a default start-up (refer to section 8.2.9). The diagnostic message for the IM308C contains 26 byte[...]

  • Page 97

    8-1 1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b The diagnostic message for the S7/M7 DP master contains 24 bytes of data. The structure of the entire diagnosis is shown in T able 8-7. T able 8-7 Diagnostic message structure for the S7/M7 DP master Byte(s) S7/M7 DP Master 0 Stations status 1 1 Stations status 2 2 Stations status 3 3 [...]

  • Page 98

    8-12 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 8.2.4 Contents of DP Standard Part The first six bytes of the diagnostic message (byte 0 to byte 5) are termed the DP standard part. They are independent of the DP slave used. Y ou will find a description of the structure of station status 1 in T able 8-8. The default setting is 02 H . [...]

  • Page 99

    8-13 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Station status 3 is reserved for later applications. Its value is always 00 H . This byte contains the station number of the DP master which assigned pa- rameters to the DP slave. Only this DP master has read and write access to this DP slave. The default value of the station number dur[...]

  • Page 100

    8-14 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 8.2.5 Module and First Station Diagnoses with the IM308C Module and first station diagnoses are contained in bytes 6 to 15. The contents of bytes 6 to 1 1 are shown in T able 8-10. T able 8-10 Structure of bytes 6 to 11 of diagnostic message Byte Contents Contents 6 42 H Header of modul[...]

  • Page 101

    8-15 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b The first part of the station diagnostic data of the DP/ASi link as a DP slave is structured as shown in T able 8-1 1. A message is indicated by a ”1”. T able 8-11 Structure of diagnosis, bytes 12 to 15 Byte 1 Meaning Reason/Reaction Remedy 12.0 Group error message for module An err[...]

  • Page 102

    8-16 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 8.2.6 Module and First Station Diagnoses with the S7/M7 DP Master Module and first station diagnoses are contained in bytes 6 to 16. The contents of bytes 6 to 12 is shown in T able 8-12. T able 8-12 Structure of bytes 6 to 12 of diagnostic message for operations with IM308C Byte Conten[...]

  • Page 103

    8-17 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b The first part of the station diagnostic data of the DP/ASi link as a DP slave is structured as shown in T able 8-13. A message is indicated by a ”1”. T able 8-13 Structure of diagnosis, bytes 13 to 16 Byte 1 Meaning Reason/Reaction Remedy 13.0 Module malfunction Group error 0 – I[...]

  • Page 104

    8-18 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 8.2.7 Second Station Diagnosis with the IM308C The second part of the station diagnostics is contained in bytes 16 to 25. The contents of bytes 16 to 19 are shown in T able 8-14. T able 8-14 Structure of bytes 16 to 19 in diagnostic message Byte Con tents Contents 16 0A H Second station[...]

  • Page 105

    8-19 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b T able 8-15 Structure of diagnostic data, bytes 20 and 21, continued Byte 1 Remedy Reason/Reaction Meaning 21.1 Configuration error: configured ASi slaves not present ”Actual is equal to setpoint config- uration”: data exchange cannot take place on PROFIBUS-DP side. Add the missing [...]

  • Page 106

    8-20 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 8.2.8 Second Station Diagnosis with the S7/ M7 DP Master The second part of the station diagnosis is contained in bytes 17 to 23. The contents of bytes 17 to 19 are shown in T able 8-17. T able 8-17 Structure of bytes 17 to 19 in diagnostic message Byte Con- tents Contents 17 60 H Chann[...]

  • Page 107

    8-21 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b 8.2.9 Diagnostics for a Default Start-Up with the IM308C (6ES7 156 0AA00-0XA0 or Later , Issue 3) For the default start-up, the diagnostic message contains 32 bytes of data and complies with the PROFIBUS DP standard. The table below describes the basic structure of the diagnostic messag[...]

  • Page 108

    8-22 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Bytes 16 to 31 of the diagnostic message indicate the ASi configuration at the time of the parameterization message. An ASi slave is permanently assi- gned to every nibble. If an ASi slave is present in the configuration, its hexa- decimal I/O code is entered at this point; missing ASi [...]

  • Page 109

    A-1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b T echnical Data The DP/ASi link meets the requirements of the Profibus-DP standard, the ASi standard and UL, CSA and FM approvals. The general technical data contain the standards and test values maintained and met by the S7-300 and the test criteria by which the S7-300 was tested. SIMA [...]

  • Page 110

    A-2 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b A.1 Standards and Approvals This chapter contains for the distributed I/O system DP/ASi link data concer- ning  the most important standards whose criteria are met by the DP/ASi link and  approvals for the DP/ASi link. The distributed I/O system DP/ASi link meets the requirements a[...]

  • Page 111

    A-3 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b SIMA TIC products are designed to operate in an industrial environment. W ith a one-shot approval, SIMA TIC products may also be used for domestic purposes (domestic, business and industry , small enterprises). The one-shot approval has to be obtained from an authority or test center . I[...]

  • Page 112

    A-4 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b A.2 General T echnical Data The following table presents the technical data of the distributed I/O system DP/ASi link. T echnical Data Baud rates on PROFIBUS- DP 9.6; 19.2; 93.75; 187.5; 500; 3000; 6000 and 12000 kBd Power down backup T ypically 20 ms Insulation rating In acc. with VDE 0[...]

  • Page 113

    A-5 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Mechanical Environmental Conditions Operating conditions to IEC 654-3  10 Hz v f < 57 Hz Const. amplitude 0.35 mm  57 Hz v f < 150 Hz Const. acceleration 5 g  Oscillation type Frequency sweeps with variation rate of 1 octave/min.  Oscillation period 10 frequency sweeps [...]

  • Page 114

    A-6 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Fig. A-1 shows you the dimension drawing for the DP/ASi link. DP / ASi LINK CONFIG ERROR AUTOPROG A V CONFIG MODE ASi POWER F AIL RUN BF 12 4 8 1 6 ++ + + = ASi-SLA VE F AIL + PS L2-DP SINEC + 1 3– ASi 6ES7 156--0AA01-0XA0 12 345 6 175 Approx. 205 21.5 M23x1 163 27 57 18 9 26 52 80 Fig[...]

  • Page 115

    B-1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b I/O Code In this chapter you will find the I/O code of the ASi slaves as defined in the ASi standard. The I/O code characterizes every ASi slave in respect of its inputs and out- puts. T able B-1 shows the interrelationship between the assignment of the four connections of an ASi slave a[...]

  • Page 116

    B-2 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b I/O Code[...]

  • Page 117

    C-1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Parameterization Message Y ou require this chapter only if you are not using an application such as COM ET 200 W indows (version 2.0 or later). The DP/ASi link requires the parameterization message during start-up. This appendix describes the structure of the parameterization message for[...]

  • Page 118

    C-2 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b C.1 Structure of the Parameterization Message in Configuring with Ad- dress Optimization The parameterization message contains 140 bytes of data, bytes 0 to 139. These 140 bytes comprise:  7 bytes in accordance with the DP standard, bytes 0 to 6, refer to T able C-1  8 bytes for in[...]

  • Page 119

    C-3 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b T able C-1 Structure of the DP standard part in parameterization message, continued B yt e (s ) Meaning V alue 6 Group ID Y ou can place several DP slaves in one group with the group ID. 1 Refer to T able C-3 for the watchdog time base The station status defines the operating behavior of[...]

  • Page 120

    C-4 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Bytes 7 to 14 are referred to as the initialization bytes. Y ou can modify byte 7 (refer to T able C-3), the first byte of the eight initiali- zation bytes, as follows: T able C-3 Structure of byte 7 for initialization Bit(s) Meaning V alue 0 Start bit monitoring 0 Monitoring is enabled [...]

  • Page 121

    C-5 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b ”Actual is less than or equal to setpoint configuration” means that the DP/ ASi link compares the actual configuration with the setpoint configuration. If the DP/ASi link detects any differences, it reacts in two dif ferent ways:  If the DP/ASi link detects unconfigured ASi slaves[...]

  • Page 122

    C-6 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b C.2 Parameterization Data for ASi Slaves Y ou have to define four bytes for every ASi slave when you assign parame- ters. These four bytes contain all the data required for an ASi slave and data exchange with it. Y ou will find the structure of these four bytes for every ASi slave in T a[...]

  • Page 123

    C-7 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b In T able C-7 you will find the assignment of the ASi addresses to the byte numbers within the parameterization message. T able C-7 Assignment of parameterization data of ASi slaves to byte numbers of parameterization message Parameterization Data for ASi Slave with ASi Address ... Assig[...]

  • Page 124

    C-8 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b C.3 Optimizing Address Assignment For you to be able to address the ASi slaves, you have to allocate the address assignment within the SIMA TIC to every ASi slave. T o make proper use of the limited address space on the SIMA TIC, you must optimize the address assignment of the different [...]

  • Page 125

    C-9 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Fig. C-1 illustrates the process for optimizing address assignment using the address space template. The four AS slaves used have the following input/output assignment: ASi Address Inputs Outputs 1 4 0 4 2 2 5 3 1 7 0 4 ASi slave 1 ASi slave 4 ASi slave 5 ASi slave 7 Inputs 1 2 3 4 1 2 3[...]

  • Page 126

    C-10 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b C.4 Structure of the Parameterization Message in Simple Configuration The parameterization message has a fixed length of exactly 32 bytes. Bytes 0 to 6 contain the parameters of the DP standard part. T able C-8 Assigning the DP standard part Byte 0 1 2 3 4 5 6 V alue Refer to T able C-1[...]

  • Page 127

    C-1 1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Bytes 16 to 31 reflect the setpoint configuration of the DP/ASi link. An ASi slave is permanently assigned to every nibble. If an ASi slave has been confi- gured, its hexadecimal I/O code has to be entered at this stage; unconfigured ASi slaves have to be identified by F H . T able C-1[...]

  • Page 128

    C-12 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Parameterization Message[...]

  • Page 129

    D-1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Configuration Message Y ou require this section only if you are not using an application such as COM ET 200 W indows. The DP/ASi link requires the configuration message during start-up. This chapter describes the structure of the configuration message for the DP/ASi link used as a DP sta[...]

  • Page 130

    D-2 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b D.1 Structure of the Configuration Message with a Default Start-Up The configuration message consists of precisely 20 bytes. W ith a default start-up, it must have the structure shown in T able 8. T able D-1 Configuration message structure for a default start-up Byte 0 123456789 V alue 0[...]

  • Page 131

    D-3 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b D.2 Structure of the Configuration Message in Configuration with Ad- dress Optimization The configuration message contains 20 bytes. The first 15 bytes are perma- nently assigned, as shown in T able D-2. All values are hexadecimal numbers. T able D-2 Default assignment of bytes 0 to 14 o[...]

  • Page 132

    D-4 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b W ith the identification byte, you define the structure of the configuration message. Y ou will find a description of the value of the identification byte in T able D-3. T able D-3 V alue of identification byte in configuration message V alue Meaning 43 H Input data only  in byte 16, [...]

  • Page 133

    D-5 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b The following example presents the structure of the five bytes of data (bytes 15 to 19) for a DP/ASi link with inputs and outputs. Byte V alue Meaning 15 C2 H Specific identification format:  there follows one length byte for output data  there follows one length byte for input dat[...]

  • Page 134

    D-6 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b The following example shows the structure of the five bytes of data (bytes 15 to 19) for a DP/ASi link having only outputs. Byte V alue Meaning 15 83 H Specific identification format:  there follows a length byte for output data  no input data are present  there follow three byt[...]

  • Page 135

    D-7 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b D.3 Structure of the Configuration Message in Simple Configuration The configuration message consists of 20 bytes and must have the structure shown in T able D-5. The type and length of the I/O area used are encoded in bytes 15 to 17. T able D-5 Configuration message for masters with red[...]

  • Page 136

    D-8 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Y ou have an DP/ASi link on which the ASi slave with the highest address to which outputs are connected is slave 7; the ASi slave with the highest address to which inputs are connected is slave 12. Accordingly , the output area has a length of 4 bytes, for slave 7 is located in the fourt[...]

  • Page 137

    Glossary-1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Glossary A Active nodes may send data to other nodes, if they are token holding nodes, and request data from other nodes (synonymous with master). By actual configuration we mean the true configuration of the ASi as de- tected by the DP/ASi link. A ctuator S ensor I nterface. The [...]

  • Page 138

    Glossary-2 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b T o assign parameters is to pass slave parameters from the master to the slave. B Rate at which data are transmitted; specifies the number of bits transmitted per second (baud rate = bit rate). The bit time (T Bit ) is the time required to transmit one bit. It is the reciprocal va[...]

  • Page 139

    Glossary-3 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Distributed I/O devices are I/O units that are not used in the base unit but are set up on a distributed basis; for example:  ET 200 family  S5-95U with PROFIBUS-DP interface  DP/ASi link  other DP slaves from Siemens or external devices. Distributed I/O devices are co[...]

  • Page 140

    Glossary-4 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b The ID code is an additional identification, its use being optional for each ASi slave. The ID code is specified for every ASi slave. The default value of the ID code is 0. The IM 308-C is a DP master for the Distributed I/O System. Degree of protection in accordance with DIN 4005[...]

  • Page 141

    Glossary-5 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Draft PROFIBUS-DP standard (EN 50170 V olume 2, PROFIBUS), on which the Distributed I/O System is based. The principal function of PROFIBUS-DP is high-speed data exchange be- tween the central DP master and the I/O devices. PROFIBUS-DP is a bus system networking PROFIBUS-compatibl[...]

  • Page 142

    Glossary-6 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b SYNC is a ³ control command of the DP master to a group of DP slaves. W ith the SYNC control command, the DP master causes the DP slave to freeze the outputs at their instantaneous values. In the messages that follow , the output data from the DP slave are stored but the states a[...]

  • Page 143

    Index-1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Index A Active nodes, Glossary-1 Actual configuration, Glossary-1 Actual is equal to setpoint configuration, 5-4 Actual is less than or equal to setpoint configu- ration, 5-4 Actuator sensor interface, 2-1 Adapter cable, 4-22 connections, 4-22 Additional components, 4-15 Address for [...]

  • Page 144

    Index-2 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Configuration, 3-1 data, Glossary-1 options, 3-1 summary , 3-2 with programmer connector , 3-9 with several power supply connectors, 3-6 with T connector and with power supply connector , 3-4 without power supply connector , 3-7 without T connector and with power supply connector , 3[...]

  • Page 145

    Index-3 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b E EMC Directive, A-2 Error handling, 8-1 Example address assignment, C-7, C-9 configuration message, D-5 configure with COM ET 200 W indows, 5-5 Example configuration, of a module, 2-5 Example installation, ASi, 2-2 External master , 5-6 F FB IM308C, 8-1 First station diagnosis, 8-14[...]

  • Page 146

    Index-4 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Parameterization message, C-1 control byte, C-4 DP standard section, C-2 station status, C-3 structure, C-2 Parameters for ASi slave, C-6 Passive node, Glossary-4 Penetration technique, 2-6 Pin assignment ASi terminal connection, 4-8 power supply , 4-9 PROFIBUS-DP , 4-9 Power supply [...]

  • Page 147

    Index-5 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b U UL, A-3 UL approval, A-3 UNFREEZE, Glossary-6 Ungrounded installation, 4-6 Rules, 4-6 UNSYNC, Glossary-6 Using the DP/ASi link, 1-2 V V iew of DP/ASi link, 1-5 W W iring, of PROFIBUS-DP , 4-23 Index[...]

  • Page 148

    Index-6 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Index[...]

  • Page 149

    1 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b  Siemens AG AUT E 148 Postfach 1963 D–92209 Amberg Federal Republic of Germany From: Y our Name: _______________________________ Y our Title: ______________________________ Company Name: ______________________________ Street: _______________________________ City , Zip Code: __________[...]

  • Page 150

    2 Distributed I/O System DP/ASi Link EW A 4NEB 710 6055-02b Additional comments: _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ ___[...]

  • Page 151

    Distributed I/O System DP/ASI Link EW A 4NEB 710 6055-02b 1 163 mm 6.42 inch 52 mm 2.05 inch Drilling jig Drill holes: thread M4 163 mm 6.42 inch 52 mm 2.05 inch Drilling jig Drill holes: thread M4 163 mm 6.42 inch 52 mm 2.05 inch Drilling jig Drill holes: thread M4 DP/ASI link DP/ASI link DP/ASI link[...]

  • Page 152

    Distributed I/O System DP/ASI Link EW A 4NEB 710 6055-02b 3 163 mm 6.42 inch 52 mm 2.05 inch Drilling jig Drill holes: thread M4 163 mm 6.42 inch 52 mm 2.05 inch Drilling jig Drill holes: thread M4 163 mm 6.42 inch 52 mm 2.05 inch Drilling jig Drill holes: thread M4 DP/ASI link DP/ASI link DP/ASI link[...]