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TECHNOLOGIEN MIT
VORSPRUNG

is Pro DP/PA Link DTM

User Manual

Содержание is Pro DP/PA Link DTM

Страница 1: ...TECHNOLOGIEN MIT VORSPRUNG is Pro DP PA Link DTM User Manual...

Страница 2: ...ng taping or storage in an information retrieval system without prior written permission of the ifak system GmbH Information in this manual is subject to change without notice and does not represent a...

Страница 3: ...ntroduction FDT Specification Basics 3 Object Model 4 Component interaction 7 Summary Objects in the FDT concept 9 DeviceDTM 9 ActiveX 9 CommDTM 9 CommChannel 10 Chapter 3 Gateway DTM is Pro DP PA Lin...

Страница 4: ...is Pro DP PA Link DTM II ifak system GmbH...

Страница 5: ...PCI of ifak system or with a communication interface and FDT software of any manufacturer Software Installation The operation of the GatewayDTM requires the correct installa tion of a Profibus Master...

Страница 6: ...out the manual different fonts are used to indicate differ ent meanings Our Service In case you have any questions concerning the is Pro DP PA Link DTM which can t be solved by this manual please cont...

Страница 7: ...ents employ ing COM functionality Compared to OPC the aims of FDT are quite more challenging The COM functions transfer XML documents which contain the data to be communicated between different compon...

Страница 8: ...erver handles the tasks of management and configuration of a device class as defined by the manufac turer This device class might be one device type or a group of devices A typical DTM contains no gra...

Страница 9: ...tem one Device DTM must exist for every device The DeviceDTM will be provided by the device manufacturer A DTM for a device class with direct access to a communication device e g a Profibus interface...

Страница 10: ...rough a CommChannel and the underlying fieldbus interface Lets draw a comparison between the FDT terms DeviceDTM CommDTM CommChannel and the terms in use within the domain of automation software A Dev...

Страница 11: ...ies The DTM itself accesses the frame through another set of interfaces which allow the DTM to acquire information from and transmit data to the frame Component interaction Before going into more deta...

Страница 12: ...ished To achieve this the channel supports the interface IFdtCommunication The interface contains the fieldbus access functionality connection establishment termination data trans fer The communicatio...

Страница 13: ...om the DTM ActiveX The ActiveX are the visible components of a FDT application as far as device functionality is concerned DTM and channel objects provide interfaces for the configuration diagnosis do...

Страница 14: ...re sent received and manged by the CommChannel A pointer to the main interface of the channel IFdtCommunication is passed to the DeviceDTM The channel provides the interface IFdtChannelSubTopology whi...

Страница 15: ...eway DTM can be inte grated into any frame application e g Pactware First one has to install the software see chapter 1 Start your frame application Then the device catalog has to be updated Now the i...

Страница 16: ...se otherwise existing connections could be disconnected Figure 5 Change of DeviceDTM Addresses The list on the left side shows connected DeviceDTMs The but ton Refresh List updates the list with the c...

Страница 17: ...lows a ScanRequest only for the DTM states ONLINE COMMUNICATIONSET and GOINGONLINE The Gate way DTM follows the specification and allows only querying for devices on the bus when the Gateway DTM is co...

Страница 18: ...X with additional information about a device can be opened by selecting the button Extended Information for a chosen slave device The button Change Address opens another ActiveX for changing the addre...

Страница 19: ...iveX are obtained from the diagnosis data of the selected Profibus slave device Their meaning is explained in the Profibus literature The device and vendor names are extracted from tables that con tai...

Страница 20: ...bus slave device The current address is set automatically when the ActiveX is opened The new address is not allowed to be in use at the same Profibus segment The DTM checks the existence of the targe...