isHRT CommDTM
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1. HW Rev The hardware revision of the device SW Rev The software revision of the device The Update List button starts a new scan for devices on the HART bus The list will be dynamically updated during the scan whenever a device is found 18 ifak system GmbH isHRT FDT Dialogs During the scan which usually takes some time to complete the button Stop Scan is activated It can be used to stop the scan The button Set Address is used to open the ActiveX to change the address fo the selected DTM and or slave device Close Close the Device List ActiveX Help Display help for this dialog ifak system GmbH 19 Description of the isHRT CommDTM isHRT FDT Changing Polling Address With the help of this ActiveX the polling address for an interface device can be set to a new value Figure 8 Change Address is HRT CommDTM Change Slave Address Device is HRT CommDTM V2 SGV Description HART ifak system Change HART Slave Address Current Address 1 New Address 1 Status address change successful Change Address Close Help Emm Oum FF Source address This is the current address of the device on the HART bus The content of this field is set automatically when the ActiveX is opened Target address This is the desired new address for the device Change address Pressing this button starts the address change Status Displays the status of the addre2. The new device address must not be in use and no DeviceDTM may have open connections to the source address The is HRT CommDTM checks these requirements before the address change is attempted If any of these requirements is not fulfilled or the change of address itself fails for other reasons then an error message is displayed in the status field 22 ifak system GmbH is HART CommDTM INDEX A Activex C Changing the Poll Address CommChannel Connecting DeviceDTMs D Device List DTM CommDTM DeviceDTM F Frame Application Object Model 4 9 20 21 10 oo BB N ifak system GmbH 23 is HART CommDTM 24 ifak system GmbH
3. Profibus DP V1 etc the communication between channel and DTM can be established To achieve this the channel supports the interface IFdtCommunication The interface contains the fieldbus access functionality connection establishment termination data trans fer The communication between both components is now estab lished If the DeviceDTM invokes a communication request via Fdt Communication the channel is responsible for the handling of the request The response of the device is transmitted to the DTM through its JFdtCommunicationEvents interface 8 ifak system GmbH FDT Tools FDT Specification Basics Summary Objects in the FDT concept DeviceDTM ActiveX A DeviceDTM is a DTM for fieldbus devices It provides all nec essary functionality of the devices in software To achieve this it employs the communication interfaces of the CommDTM Within the FDT concept the DeviceDTMs form the lowest level in the system topology They use the services of other Comm DTMs to access its field device The parameters of the device are made available to the user by a number of ActiveX dialog HMIs which can be called from the DTM 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 docu mentation and parameter manipulation while the ActiveX pro vide an easy way of data presentation and user in
4. manual different fonts are used to indicate diffe rent meanings Courier New file names code sequences Arial names commands remarks Our Service In case you have any questions concerning the software isHRT FDT which can t be solved by this manual please contact our service by phone fax or e mail ifak system GmbH Oststrasse 18 D 39114 Magdeburg Germany www ifak system com Tel 49 391 544 563 10 Fax 49 391 544 563 99 e mail fdt ifak system com 2 ifak system GmbH FDT Tools FDT Specification Basics CHAPTER 2 FDT A BRIEF INTRODUCTION FDT Specification Basics The widespread technologies COM Common Object Model XML eXtensible Mark up Language and ActiveX a COM based technology for GUI elements form the basis platform of FDT COM integrates the different software components and facilitates the interaction between them Another example for the use of COM as underlying concept of an automation standard can be found in the area of online data exchange There the specifica tion OPC DA defines the interfaces and mechanisms for the interaction between independent software components 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 components The data which may be of different levels of complexity convey information about the various as
5. provi des a list of Child DTMs all with no associated device Figure 7 Device List Bis HRT CommDTM Device List _ Ol x Device is HRT CommDTM V2 SGN Description HART bre system 00 SOIM is HRT HART Channel yes TTE HART DIM mE 26 Code DdAGS 1828FB TE EDIM i HAT HART Channel Device DTM 000000 0 i 02 COTM is HAT HART Channel no Generic HART DTM 000000 0 0 Update List Set Address The list of connected devices displays the essential information about the devices on the HART bus This information has the fol lowing meaning Address The poll address of the device State The State field is used to display an icon that reflects the state of device configuration The following icons are possible ifak system GmbH 17 Description of the isHRT CommDTM isHRT FDT This entry represents a Child DTM This DTM is not associated to any existing HART device Su This entry represents an existing HART device No Child DTM is configured for this device rpm This entry represents a HART device which is configured with a Child DTM Channel This is the used channel of the isHRT CommDTM In Use The DTM device is used in a communication connection Hart Tag The tag of the device stored in the device itself Dtm Tag The tag of the DeviceDTM Manufacturer The manufacturer of the device Dev Type The device type of the HART device Dev ID The device ID of the HART device
6. M supports A Channel represents either a communica tion CommChannel or data channel DataChannel A ifak system GmbH 5 FDT A Brief Introduction FDT Tools CommChannel allows other DTMs an access to the fieldbus communication It supports the interface IFdtCommunication which groups the communication access function A DataChan nel allows other DTMs an access to the data values and is pro vided by the device DTM The values could be the process values of a field device which were communicated by cyclic data exchange A device in FDT is managed by its dedicated DeviceDTM Its ActiveX based HMI allows the user the access to its parameters and functions The DeviceDTM communicates with its device through 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 DeviceDTM and its ActiveX components replaces the manufacturer specific field device con figuration software and the CommDTM and its ActiveX compo nents replaces the manufacturer specific fieldbus interface configuration software A CommChannel equals the driver library of a communication interface If a DeviceDTM is called and attached to a certain device this DeviceDTM instance is associated with a CommChannel The device can establish a connection to the device through this Com mChannel Contrary to today s practic
7. TECHNOLOGIEN MIT VORSPRUNG ISHRT CommDTM User Manual Copyright ifak system GmbH 2002 2009 all rights reserved No part of this work may be reproduced in any form or by any means graphic electronic or mechanical including photocopying recording 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 commitment of the ifak system GmbH ifak system GmbH Oststr 18 D 39114 Magdeburg Germany www ifak system com Tel 49 3 91 54 45 63 0 Fax 49 3 91 54 45 63 99 Email fdt ifak system com isHRT FDT Chapter 1 Introduction Software Installation 1 General Remarks 2 Our Service xd he cn tae Aes Rte 8 2 Chapter 2 FDT A Brief Introduction FDT Specification Basics 3 Object Model 4 Component interaction 7 Summary Objects in the FDT concept 9 DeviceDTM 9 AGUVeX Rae a ae Sede and RR 9 CommDTM 9 CommChannel 10 Chapter 3 Description of the isHRT CommDTM ces Boece Sabe des Ba ee Neat 12 Driver Configuration _ 12 Chann
8. e the DeviceDTM can expect an interface with a manufacturer independent behaviour 6 ifak system GmbH FDT Tools FDT Specification Basics Figure 2 Frame Access Frame Application The definition of interfaces and XML schemas allows the con nection and interaction of the pictured software components About 30 data interfaces support the flow of information A frame application accesses the DTMs through the interfaces TDtm and DtmInformation in order to manage the DTM and inquire about the DTMs capabilities 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 detail a short example about the interac tion of the different components mentioned so far might help to deepen the understanding of the matter Let us picture a based system The run time environment the frame application was started already In the next step we add a CommDTM to the system topology of the frame application The frame is now able to inquire the CommDTM about the supported CommChannels ifak system GmbH 7 FDT A Brief Introduction FDT Tools Figure 3 Interaction of the Comm Objects DTM for devices DTM for devices Frame Application If the check was successful what means that the channel and the DeviceDTM speak in the same language HART
9. el Configuration 14 Connecting DeviceDTMs 16 D vice LISE sas edie Maes eins see 17 Changing Polling Address 20 Changing Polling Address DeviceDTM Address and Tag 21 ifak system GmbH 1 isHRT FDT ifak system GmbH isHRT FDT Software Installation CHAPTER 1 INTRODUCTION Software Installation The operation of the software isHRT FDT requires the correct installation of the HART interface isHRT USB and isHRT USBexX respectively The driver software delivered with our interface permits the access to the HART Firmware The interface between application and HART firmware comes in the shape of a Dynamic Link Library DLL The delivered software isHRT FDT supports the operating systems Windows 2000 Vista XP and Windows 7 It is placed on the enclosed CD The installation follows the steps mentioned below Insert the installation CD into your drive Start setup exe and proceed according to the instructions displayed on the screen The software is installed in the default program directory of your computer under the subdirectory ifak system is HRT ifak system GmbH 1 Introduction isHRT FDT General Remarks This documentation contains important information for the cor rect operation of the software isHRT FDT Please read this docu mentation carefully before installing the software Throughout the
10. he configuration of the isHRT CommDTM The configuration can be accessed by selecting the function Channel Configuration offered by the isHRT CommDTM The configuration dialog is only available in offline mode i e the DTM is not connected ifak system GmbH 11 Description of the isHRT CommDTM isHRT FDT Dialogs Driver Configuration Figure 4 Driver Configuration is CommDTM Driver Configuration Device is HRT CommDTM V2 Description Beles SC ifak system Driver Configuration List of connected is HRT adapters Number 00 4205 USB Refresh List Init Device Use Selected Device Cancel Help ome oa This dialog is used to select one of the connected HART commu nication interfaces of ifak system e List of connected is HRT devices The table shows the properties of the found isHRT devices HART communication interfaces Refresh List Refresh the list of devices nit Device If you check this field the selected isHRT device is initialized 12 ifak system GmbH isHRT FDT Dialogs the green LED of the device lights This is useful to find the selected isHRT device if more than one devices are connected Use Selected Device This button closes the dialog The selected device is used for communication Cancel Close the dialog and discard changes Help Display help for this dialog ifak syste
11. iveX components although the inclusion of external programs is also allowed The ActiveX fits seamlessly into the Frame Application The user is not able to determine where the called HMI came from It appears as a natu ral part of the engineering system 4 ifak system GmbH FDT Tools FDT Specification Basics Figure 1 Object Model Frame Application Fieldbus Interface Fieldbus At this point two new terms are introduced which are not con tained in the FDT specification but seem to be helpful for an eas ier understanding of the specification A DTM for a device class without any direct access to the com munication the use of the communication functions not withstanding is named DeviceDTM In order to configure a field device sensor actuator within a FDT compliant engineer ing system 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 is named CommDTM The CommDTM encapsulates all communication specific aspects It is responsible for the management and configuration of the com munication interface Other applications DTMs call its Com mChannels for field communication access The CommChannel can be provided by an additional CommDTM or by the Frame Application DeviceDTM and CommDTM differ mainly in the type of chan nels a DT
12. m GmbH 13 Description of the isHRT CommDTM isHRT FDT Channel Configuration Krome 0 Daa The dialog is used to configure the channel The following options are available Figure 5 Channel Configuration ES HRT CommDTM Channel Configuration xi P Device is HRT CommDTM V2 e Description HART ifak system Channel Properties Preambles 5 IV Primary Master Retries 3 Apply Help Primary Master The parameter Primary Master specifies whether the HART master operates as the primary master or as a secondary master on the bus Preambles The default setting for the number of preambles for communication with HART bus devices This value is used to establish the initial connection to a HART device The number of preambles to use for communication with the device is read from the device itself and used for communication afterwards Max Retries This parameter specifies how often the HART master retries to transmit information in case of an error OK Apply the changed values in the DTM datatset and close the ActiveX 14 ifak system GmbH isHRT FDT Dialogs Apply Apply changed values and leave the ActiveX open Cancel Close the ActiveX and discard changes Help Display help for this dialog ifak system GmbH 15 Description of the isHRT CommDTM isHRT FDT Connecting DeviceDTMs When a DeviceDTM is connected to the isHRT CommDTM the
13. n an ActiveX is opened that makes it possible to set the tag and the slave address of the DeviceDTM Figure 6 Set DeviceDTM Address is HRT CommDTM Set DeviceDTM Address OF x1 T Device is HRT CommDTM V2 SGI X Description HART ifak system 4 DeviceDTM was attached Please verify the information for the new DeviceDTM DeviceDTM Information DTM ID j BESCDF 1546 4228 8C18 07ED39047F6A New DTM Tag Device DTM HART Addres OK Cancel krome DTM ID This is the unique ID of the DeviceDTM from the frame application It may vary among different frame applications New Tag This parameter is set as new tag in the DeviceDTM New Address This is the address of the device that the DeviceDTM should communicate with This number is the poll address The long address with device and manufacturer ID is acquired from the device when the connection is established OK Set the new values for tag and address in the DeviceDTM and close the ActiveX Cancel Close the ActiveX and discard changes 16 ifak system GmbH isHRT FDT Dialogs Device List The isHRT CommDTM offers in addition to the function ScanRequest an own ActiveX to scan the HART bus for devices This ActiveX provides information about HART devices ven dor type channel information that are connected to the HART networks If this ActiveX is called in an offline situation it
14. pects of the software component general information like manufacturer and device type sup ported functions communication data The ActiveX technology was chosen in order to integrate device specific dialog elements in the HMI of the engineering system FDT adds new functions to the already existing ActiveX function set to adapt the standard to the special needs of FDT For a seamless integration of all components FDT specifies with more or less depth the object model interfaces and XML schemas as well as a session and data management ifak system GmbH 3 FDT A Brief Introduction FDT Tools Object Model The object model contains the following four elements Frame Application Device Type Manager DTM Channel ActiveX An engineering system or a configuration software forms a Frame Application which defines the run time environment administers the project data and stores the persistent data In most cases also the access to the underlying fieldbus communication is provided A DTM as device data server 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 graphical HMI In most cases a DTM is invoked for every device The parameter of the device as well as the HMI elements can be influenced or activated by the user of the DTM Most HMI ele ments are implement as Act
15. ss change Close Close the ActiveX without any further changes Help Display help for this dialog 20 ifak system GmbH isHRT FDT Dialogs Changing Polling Address DeviceDTM Address and Tag With the help of this ActiveX it is possible to change the address of a HART slave device together with the address of a connected DeviceDTM This ActiveX is opened by the Set Address button in the device list ActiveX for list entries that represent devices with assigned DTMs Figure 9 Set DTM and HART Slave Address SE is HRT CommDTM Set DTM and Device Address OI x Device is HRT CommDTM 2 SS Description ifak system G Change address of HART slave device and child DTM address and tag Change addresses of HART slave and Child DTM Slave Address 1 Sync Child DTM Address 7 fi Child DTM HART DTM OK Apply Help Bux ome TTT Slave address The new address for the HART slave device Sync Keep the values in the slave address and DTM address fields the same Child DTM address The new address for the Device DTM Child DTM Tag The tag of the Device DTM OK Change the address tag as selected and close the ActiveX ifak system GmbH 21 Description of the isHRT CommDTM isHRT FDT Note Apply Apply the address tag changes and leave the ActiveX open Cancel Close the ActiveX and discard changes Help Display help for this dialog
16. teraction CommDTM A CommDTM is a DTM which offers communication function ality to other DTMs These DTMs may have been developed for a hardware e g is HART USB device or a software e g is HART OPC Server communication interface The Comm DTM itself can employ the services of another CommDTM gateway functionality To allow communication with its under lying hardware or software the CommDTM offers a number of communication Comm channels ifak system GmbH 9 FDT A Brief Introduction FDT Tools CommChannel The CommChannel is responsible for the connection to its man aged hard or software and provides the communication interface to the DeviceDTMs Communication requests and responses are sent received and manged by the CommChannel A pointer to the main interface of the channel IF dtCommunication is passed to the DeviceDTM The channel provides the interface JFdtChannelSubTopology which supports the inclusion of a DeviceDTM into the topology of the Com mChannel It also contains functions which allow the Device DTM to check whether it is able to communicate with this channel e g information about the supported fieldbus protocol 10 ifak system GmbH isHRT FDT CHAPTER 3 DESCRIPTION OF THE ISHRT COMMDTM The isHRT CommDTM is a CommDTM for the interfaces isHRT USB and isHRT USBeX The DTM offers communication access via the isHRT Channel as explained earlier This chapter describes t
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