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S7 ETHERNET Communication Server for SIMATIC S7
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1. From Excel the status of the communication may be read by entering the following formula in a cell S7ETHERNET topic STATUS where topic is the name of topic e g plc01 configured for PLC RUN The RUN item is a Discrete type Read Only item used to monitor the state of PLC program value 1 ON means PLC program is running and value 0 OFF means PLC program is not running UPDATEINTERVAL The UPDATEINTERVAL item is an Integer type Read Write item used to access the currently set Update Interval see Topic Definition Command section It indicates the current requested update interval in milliseconds The value of this item can be read through DDE Suite Link or OPC Client can poke new values to this item The range of valid values is from 10 to 2147483647 milliseconds The value of zero indicates that no items on this topic are updated The write commands are still executed new values written to PLC if UPDATEINTERVAL value is 0 zero Note By poking a value of zero to the UPDATEINTERVAL item a client can stop all update activities on the corresponding topic without having to deactivate the items MAXINTERVAL The MAXINTERVAL item is an Integer type Read Only item used to access the measured maximum update interval in milliseconds of all items for the corresponding topic for the last completed poll cycle The range of valid values is from 0 to 2147483647 milliseconds The UPDATEINTERVAL and MAXINTERVAL items can be used to tun
2. S7ETHERNET OPC amp DDE Server Service will be installed with Startup type Manual The Service Startup configuration can be changed by MS Windows XP Control Panel Administrative Tools Services configuration The Allow service to interact with desktop checkbox in Log On tab must be checked the Log On tab can be invoked from Poperties item from the pull down menu that appears when right clicking on S7ETHERNET OPC amp DDE Server Service If Allow service to interact with desktop is not selected then S7ETHERNET Server full functionality is not ensured e g the Server configuration can not be changed no message boxes will be displayed etc To uninstall S7ETHERNET OPC amp DDE Server Service at first the Service must be stopped by Control Panel Administrative Tools Services Stop and then S7ETHERNET Server must be started manually with command line parameter DelService S7ETHERNET DelService After this the S7ETHERNET Server OPC amp DDE version will be still registered and accessible to OPC Clients Using S7ETHERNET with OPCLink Server The Wonderware OPCLink I O Server hereafter referred to as OPCLink is a Microsoft Windows application program that acts as a communication protocol converter and allows other Windows application programs access to data from local or remote OPC servers OPCLink connects to OPC servers converts client commands to OPC protocol and transfers data back to clients usin
3. B l gt d REALm v Message Hex ASCII String S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 11 Notes 1 All Data Blocks are Read Write d 1 65535 x 0 65535 n 0 65534 m 0 65532 y 0 7 v 1 131 type size this size may vary 2 The longest string InTouch can process is 131 bytes so the following maximum length of arrays v is supported 131 for String 65 for Byte Array and Char Array 32 for Word Array and Integer Array and 16 for Double Word Array Double Integer Array and Real Array Arrays are converted into HEX ASCII strings representing the big endian format of the binary data 3 The S7Ehernet Server will process a write POKE to a Data Block Examples DB123 W24 Word starting from address 24 in Data Block 123 I O Type Integer DB23 DINT10BCD Double Integer starting from address 10 in Data Block 23 value interpreted as BCD I O Type Integer DI5 X3 0 Bit 0 in byte with address 3 in Data Block 5 I O Type Discrete DI6 BYTE5 10 Byte Array with length 10 bytes starting from address 5 in Data Block 6 I O Type Message Flag Bytes Merker Data Format Suffix I O Tag Type j Discrete Discrete FSx v Message String MSx v Message String FSTRINGx v Message String MSTRINGx v Message String FBx Integer 0 to 255 MBx Integer 0 to 255 FBYTEx Integer 0 to 255 Integer 0 to 255 DT Message 1990 1 1 0 00 00 000 to 2089 12 31 23 59 59 999 Byte Array
4. Computers a My Computer a Event Viewer Local J Enable COM Internet Services on this computer F m Default Distributed COM Communication Properties F Services Local The Authentication Level specifies security at the packet level Default Authentication Level Connect ba The impersonation level specifies whether applications can determine who is calling them and whether the application can do operations using the client s identity Default Impersonation Level Identify v Security for reference tracking can be provided if authentication is used and that the default impersonation level is not anonymous J Provide additional security for reference tracking 2 Select the Com Security tab and edit the Default settings for Access Permissions by adding if not yet added ANONYMOUS LOGON and giving it all access permissions Do the same also for Edit Limits e 2 aa General Options Defaut Properties Default Security Default Protocols MSDTC COM Security ee Group or user names r Access Permissions You may edit who is alowed default access to applications You may f Administrators OSKARS Administrators also set limits on applications that determine their own permissions ANONYMOUS LOGON Everyone Edit Limits Launch and Activation Permissions z Add Remove You ma
5. Message Hex ASCII String Message Hex ASCII String Message Hex ASCII String Hex ASCII String Char FCHARx Integer 128 to 127 MCHARx Integer 128 to 127 DT Message 1990 1 1 0 00 00 000 to 2089 12 31 23 59 59 999 Message Hex ASCII String Integer 0 to 65535 Integer 0 to 65535 Integer 0 to 65535 Integer 0 to 65535 Integer 0 to 9999 Message 0 0 to 999 3 Message Omsto2h46m30s Real 1 0 to 9990 0 s Message 1990 1 1 to 2168 12 31 S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 12 Flag Bytes Merker continued Data Format Items Suffix I O Tag Range Type Word Array Message Hex ASCII String Message Hex ASCII String Message Hex ASCII String Message Hex ASCII String Integer FINTn Integer 32768 to 32767 FINTn Integer 32768 to 32767 BCD Integer 999 to 999 D Message 1990 1 1 to 2168 12 31 MINTn v Message Hex ASCII String Double Word FDm Integer 0 to 2147483647 MDm Integer 0 to 2147483647 FDWORDm Integer 0 to 2147483647 MDWORDm Integer 0 to 2147483647 Integer 0 to 99999999 Message 0 00 00 000 to 23 59 59 999 Message 24D_20H_31M_23S_648MS to 24D_20H_31M_23S 647MS Double Word FDm v Message Hex ASCII String Array MDm v Message Hex ASCII String FDWORDm v Message Hex ASCII String MDWORDm v Message Hex ASCII String Double Integer FDINTm Integer 2147483648 to 2147483647 MDINTm Integer 2147483648 to 2147483647 Integer 9999999 to 9999999 Message 0 00 00 000 to
6. Use Tagname as Item Name option may be selected to automatically enter the tag name in this field Note The tag name can only be used if it follows the conventions listed in the Item Names section S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 23 Once all entries have been made click on the Save button in the top dialog box to accept the new tag name To define additional tagnames click on the New button To return to the WindowMaker main screen select Close Monitoring the Status of Communication with InTouch InTouch supports built in topic names called DDEStatus and lOStatus that are used to monitor the status of communications between the Server and InTouch For more information on the built in topic names DDEStatus and lOStatus see your online InTouch User s Guide The status of communication between the Server and InTouch can be read into Excel by entering the following DDE reference formula in a cell on a spreadsheet in following examples 7300 is the Topic Name configured for S7ETHERNET Server view DDEStatus S7300 or view lOStatus S7300 Notes on Using Microsoft Excel Data from the S7Ethernet topic S7 300 PLC may be accessed from Excel spreadsheets To do so enter a formula like the following into a cell on the spreadsheet S7ETHERNET topic item Sometimes Excel requires the topic and or item to be surrounded by apostrophes In the formula topic must
7. be replaced with one of the valid topic names defined during the Server configuration process Replace item with one of the valid item names described in the Item Names section Reading Values into Excel Spreadsheets Values may be read directly into Excel spreadsheets by entering a DDE formatted formula into a cell as shown in the following examples S7ETHERNET S7300 DB123 W24 S7ETHERNET S7300 FB12 S7ETHERNET PLC1 14 3 Note Refer to the Microsoft Excel manual for complete details on entering Remote Reference formulas for cells Writing Values to S7ETHERNET Points Values may be written to the Server from Microsoft Excel by creating an Excel macro that uses the POKE command The proper command is entered in Excel as follows channel INITIATE S7ETHERNET topicname POKE channel itemname Data_Reference TERMINATE channel RETURN S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 24 The following describes each of the above POKE macro statements channel INITIATE S7ETHERNET topicname Opens a channel to a specific topic name defined in the Server in an application with name S7ETHERNET the executable name less the EXE and assigns the number of that opened channel to channel Note By using the channel INITIATE statement the word channel must be used in the POKE statement instead of the actual cell reference The applicationname and topicna
8. byte with address 13 I O Type Discrete AREAL10 Real starting from address 10 I O Type Real Important Note The S7 3xx PLCs have limitation cannot be changed of PDU Protocol Data Unit data size 222 bytes the number of bytes what can be read in single operation This limitation should be considered when creating applications which will use the S7Ethernet Server maximum performance can be achieved with less as possible number of PDUs used to read consecutive data from PLC For example in case 666 consecutive bytes are read S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 17 from PLC then 3 PDUs are needed In case 667 and more consecutive bytes are read then 4th PDU is needed and performance will reduce Monitoring and Controlling Communication with a PLC For each topic there are following additional items offered by S7Ethernet Server to monitor and control the communication with PLC STATUS For each topic there is a built in discrete item that indicates the state of communication with PLC The discrete item STATUS is set to 0 when communication fails and set to 1 when communication is successful The STATUS value is set to 0 after 3 consecutive unsuccessful retries to communicate with this PLC From InTouch the state of communication may be read by defining an I O Discrete tagname and associating it with the topic configured for the PLC and using STATUS as the item name
9. following debugging choices are appended to the Server s System Menu the menu that appears when you click on the Server icon in the upper left hand corner of the Server s window Suspend Protocol Resume Protocol these choices permit you to turn protocol processing on and off what means that you can suspend access to PLC s Show Send if checked then all outgoing data data provided for Libnodave interface is logged Show Receive if checked then all incoming data data received from Libnodave interface is logged Show Errors if checked then all information about errors is logged Show Logger this option is available only for OPC amp DDE version of S7ETHERNET Server if checked then S7ETHERNET Internal Logger is activated deactivated see nternal Logger section below Dump all information about topics messages and data items is logged This can be used for debugging purposes Dump Screen if checked then information about active messages is displayed on the S7ETHERNET main window All debug information except Dump Screen is displayed through the Wonderware Logger or S7ETHERNET Internal Logger depending on Show Logger option state and settings on the S7ETHERNET Internal Logger Disk Options dialog box see nternal Logger section below Note If you check Show Send and or Show Receive debug output grows very fast and it is possible that computer can become very slow Internal Logger Internal Lo
10. names To define the Tag names associated with the new Access Name invoke the Special Tagname Dictionary command in WindowMaker The Tagname Dictionary dialog box will appear Click on New and enter the Tagname The tagname defined here is the name InTouch will use The S7Ethernet Server does not see this name Tagname Dictionary x C Man Details Alarms Details amp Alarms tembers New Restore Delete Save KK E ect gt Cancel Close Vv Tagname DB123_w24 Type Memory Integer Group System Readony Read write Comment JAccessLevel M LogData I Log Events J Retentive Value Retentive Parameters Select the tag type by clicking on the Type button The Tag Types dialog box will appear x Memory Discrete 1 0 Discrete Indirect Discrete Memory Integer 1 0 Integer Memory Real 1 0 Real Indirect Analog Memory Message 1 0 Message Indirect Message Group Var Hist Trend Tag ID Details lear All Cancel To access SZETHERNET items the type must be I O Discrete I O Integer I O Real or I O Message Select the Tag type The Details dialog box for the tag name will appear Initial Value fo Min EU jo Max EU 32767 Deadband fo Min Raw jo Max Raw 32767 e Conversion Eng Units Log Deadband jo le Linear Square Root Access Name Unassigned Item I Use Tagname as ltem Name S7Ethernet Server Ve
11. 0 and newer Any Microsoft Windows program that is capable of acting as a DDE FastDDE SuiteLink or OPC Client may use the S7Ethernet Server There are two different S7Ethernet Server versions described in this manual Server version ordering number DR 570 10 supporting SuiteLink FastDDE and DDE protocols this version hereafter is referred to as the Suite Link amp DDE version Server version ordering number DR 570 11 supporting OPC and DDE protocols this version hereafter is referred to as the OPC amp DDE version The separate installation package is supplied for each version of the Server In both cases the name of Server executable file is S7ETHERNET EXE All further information in this manual is same for all versions of the Server with the exception of few points where communication protocol specific features are explained Communication Protocols Dynamic Data Exchange DDE is a communication protocol developed by Microsoft to allow applications in the Windows environment to send receive data and instructions to from each other It implements a client server relationship between two concurrently running applications The server application provides the data and accepts requests from any other application interested in its data Requesting applications are called clients Some applications such as Wonderware InTouch and Microsoft Excel can simultaneously be both a client and a server FastDDE provides a mea
12. 23 59 59 999 Message 24D_20H_31M_23S_648MS to 24D_20H_31M_23S 647MS Array MDINTm V Message Hex ASCII String MREALm Real 3 4 38 Real Array FREALm v Message Hex ASCII String MREALm v Message Hex ASCII String Notes 1 All Flags are Read Write x 0 65535 n 0 65534 m 0 65532 y 0 7 v 1 131 type size this size may vary 2 The longest string InTouch can process is 131 bytes so the following maximum length of arrays v is supported 131 for String 65 for Byte Array and Char Array 32 for Word Array and Integer Array and 16 for Double Word Array Double Integer Array and Real Array Arrays are converted into HEX ASCII strings representing the big endian format of the binary data 3 The S7Ethernet Server will process a write POKE to a Flag Byte Examples FB12 Byte with address 12 I O Type Integer MDWORD60BCD Double Word starting from address 60 value interpreted as BCD I O Type Integer S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 13 FX7 2 Bit 2 in byte with address 7 I O Type Discrete MINT5 10 Integer Array with length 10 integers 20 bytes starting from address 5 I O Type Message Input Bytes Eingange Data Format Suffix I O Tag Range Type Bit Discrete Oor1 Discrete Oor1 String ISx v ESx v ISTRINGx v ESTRINGx v Discrete Oor1 Byte IBx EBx IBYTEx EBYTEx Discrete Oor1 Byte Array Message String Message
13. Ethernet Server run the 57010xxx EXE or 57011xxx EXE and proceed as directed by the S7ETHERNET Server Setup program Note All MS Windows both NT and 9x applications using Microsoft s shared DLLs e g MFC42 DLL and MSVCRT DLL must be closed before installing the S7ETHERNET S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 4 Server OPC amp DDE version Otherwise there can be problems with S7ETHERNET Server registration as OPC server If during the S7ETHERNET Server OPC amp DDE version installation some warning messages about shared DLLs are displayed then it is quite possible the S7ETHERNET Server registration as OPC server failed In this case after system reboot the S7ETHERNET Server registration as OPC server can be done by starting the S7ETHERNET Server manually with special command line parameter added S7ETHERNETI Regserver When installation is finished the subdirectory specified as a folder where to install the S 7Ethernet Server files will contain the following files S7ETHERNET EXE The S7Ethernet Server Program This is a Microsoft Windows 32 bit application program S7ETHERNET HLP The S7Ethernet Server Help file S7ETHERNET CFG An example configuration file LICENSE TXT Klinkmann Automation software license file LIBNODAVE DLL Dynamic Link Library implementing the ISO over TCP protocol support KLSERVER DLL Dynamic Link Library nece
14. K_NEW OPCUSERS P gt Add Remove Add Remove Permissions for OPCUSERS Allow Deny Permissions for OPCUSERS Allow Deny Local Access Remote Access Local Launch Remote Launch Local Activation Remote Activation HHA Cancel Cancel 5 Now the configuration of OPC Server is completed close the dcomcnfg program and restart the S7Ethernet OPC Server to put new settings into effect OPCEnum settings OPCEnum OPC Enumeration Service is OPC standard component that allows remote OPC Client to browse the local machine to identify OPC Servers that are installed on it To configure OPCEnum settings start dcomcnfg exe from Windows XP Start Run line and select the OPCEnum from the list of DCOM entries Right click on OPCEnum and select the Poperties item from the pull down menu that appears In the window that appears select the General tab and make sure the Authentication Level field is set to Connect S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 29 Component Services 10 x fle aton wen window Hep aixi es m x ei General Location Security Endpoints Identity NetMeeting a Network Provision OlnfoP11 OlnfoP12 OMRHLINK OPC amp Application ID 13486D 44 4821 11D2 4 494 3CB306C1 0000 OMRON Cx Progr OMRON FDAS 1 Application Type Local Server OmronDatabase OMRONFGY OPC Auth
15. S7 ETHERNET Communication Server for SIMATIC S7 300 for Microsoft Windows and InTouch Applications User Manual Ver 1 x Rev 1 0 DR 570 10 DR 570 11 KLINKMANN AUTOMATION P O Box 38 FIN 00371 Helsinki Finland Tel int 358 9 5404940 Fax int 358 9 5413541 www klinkmann com Klinkmann Automation S7Ethernet Server i Table Of Contents OVGIVIGW iscsi E E E Baraat Cee ee E A E E 1 COMMUNICATION Protocol S eneen aan aaa ea eaae e a Ea re 1 Accessing Remote Items via the Server ssssessssssrrnessserrrnrsrsrrtnrnntststrtnrnnsnsrtnnnnnnsreena 3 Installing the S7ETHERNEE Server nicer ccc cirietebecher ce eaciece ee eit steed aA 3 Installing the Server neoc a ee eter oes a occ led ge te 3 Installing the I O Server Infrastructure c cccccceeceeeecneeeeeeeeeeeeneaeeeeeeeteseeeeeeeeeeeeaaaes 5 Configuring the S7Ethernet Server sice cecoceecccctenseseteeceeeeestetan nee eeeeeerienaneeeeeviavet diene 5 Server Settings Command dresan enced a ad dart a cated Niele tend 5 Topic Definition Command Mea eeeer ner eme nce Se eeiae aes ere ee me Mer Sane mere try cen ee eer 7 Saving S7Ethernet Configuration File sssseseseseernesesestrrrrestsrttrtnrsererrtntntseternrnrnneent 8 Configuration File LOGAHOM iene eo as ee Ss pe eA Rate ae 9 tem INS Sct aa occ ecard ie a ete tenet wept sce Os Ure ere teviiade cuare 10 Monitoring and Controlling Communication with a PLC cccccceeseeeeeeeeeeeeeteeeeeeees 17 Using the S7Eth
16. SPEND may be used to control the communication with a separate topic If application changes SUSPEND value from 0 to 1 then communication with topic is suspended If SUSPEND value is changed back to 0 then communication with this topic is resumed Note If topic is suspended by setting SUSPEND value to 1 then Server rejects all new write values to this topic i e no new write messages are created after SUSPEND value has changed from 0 to 1 S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 19 Using the S7Ethernet Server with Suite Link and DDE Clients The Suite Link amp DDE version of S7Ethernet Server is accessible from Suite Link clients e g InTouch and DDE clients e g Excel The OPC amp DDE version of S7Ethernet Server is accessible from DDE clients Using the S7ETHERNET Server with InTouch To access to data from Siemens S7 PLCs from InTouch by using S7Ethernet Server the Access Names and Tag names should be defined in WindowMaker Defining the Access Names InTouch uses Access Names to reference real time I O data Each Access Name equates to an I O address which can contain a Node Application and Topic Ina distributed application I O references can be set up as global addresses to a network I O Server or local addresses to a local I O Server To define the Access Names in WindowMaker node invoke the Special Access Names command The Access Names dialo
17. String Message String Message String Integer 0 to 255 Integer 0 to 255 Integer 0 to 255 Integer 0 to 255 Message 1990 1 1 0 00 00 000 to 2089 12 31 23 59 59 999 Message Hex ASCII String Message Hex ASCII String Message Hex ASCII String Message Hex ASCII String Char ICHARx Integer 128 to 127 ECHARx Integer 128 to 127 DT Message 1990 1 1 0 00 00 000 to 2089 12 31 23 59 59 999 4 Word Array Message Hex ASCII String Message Hex ASCII String ICHARx v Hex ASCII String ECHARx v Message Hex ASCII String Word IWn Integer 0 to 65535 EWn Integer 0 to 65535 IWORDn Integer 0 to 65535 EWORDn Integer 0 to 65535 Integer 0 to 9999 Message 0 0 to 999 3 Message Omsto2h46m30s Real 2 0 to 9990 0 s Message 1990 1 1 to 2168 12 31 Message Hex ASCII String Message Hex ASCII String Integer IINTn Integer 32768 to 32767 EINTn Integer 32768 to 32767 BCD Integer 999 to 999 D Message 1990 1 1 to 2168 12 31 IINTn v Hex ASCII String EINTn v Message Hex ASCII String haf i S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 14 Input Bytes Eingange continued Data Format Suffix Double Word IDm Integer 0 to 2147483647 EDm Integer 0 to 2147483647 IDWORDm Integer 0 to 2147483647 EDWORDm Integer 0 to 2147483647 Integer 0 to 99999999 Message 0 00 00 000 to 23 59 59 999 Message 24D_20H_31M_23S_648MS to 24D_20H_31M_23S 647MS Double Word IDm v Message Hex ASCII String Arr
18. Type Message String Message String Byte D lt B I gt d BYTEx Integer 0 to 255 DT Message 1990 1 1 0 00 00 000 to 2089 12 31 23 59 59 999 Byte Array D lt B I gt d Bx v Message Hex ASCII String D lt B I gt d BYTEX v Message Hex ASCII String T Char D lt B l gt d CHARx Integer 128 to 127 D Message 1990 1 1 0 00 00 000 to 2089 12 31 23 59 59 999 Char Array D lt B I gt d CHARx v Message Hex ASCII String Word D lt B l gt d Wn Integer 0 to 65535 D lt B l gt d WORDn Integer 0 to 65535 Integer 0 to 9999 Message 0 0 to 999 3 Message Omsto2h46m30s TR Real 0 0 to 9990 0 s D Message 1990 1 1 to 2168 12 31 D Word Array D lt B I gt d Wn v Message Hex ASCII String D lt B gt d INTn eoD Integer 32768 to 32767 BCD Integer 999 to 999 Message 1990 1 1 to 2168 12 31 Integer Array D lt B I gt d INTnv___ Message Hex ASCII String Double Word D lt B l gt d Dm Integer 0 to 2147483647 D lt B l gt d DWORDm Integer 0 to 2147483647 Integer 0 to 99999999 Message 0 00 00 000 to 23 59 59 999 T Message 24D_20H_31M_23S_648MS to 24D 20H 31M 23S 647MS Array D lt B l gt d DWORDm v Message Hex ASCII String Double Integer D lt B gt d DINTm Integer 2147483648 to 2147483647 BCD Integer 9999999 to 9999999 TOD Message 0 00 00 000 to 23 59 59 999 T Message 24D_20H_31M_23S_648MS to 24D 20H 31M 23S 647MS Double Integer D lt B I gt d DINTm v Message Hex ASCII String Array pe Real __D lt B 5d REALm 13 4638 Real Array D lt
19. ay EDm v Message Hex ASCII String IDWORDm v Message Hex ASCII String EDWORDm v Message Hex ASCII String Double Integer IDINTm Integer 2147483648 to 2147483647 EDINTm Integer 2147483648 to 2147483647 Integer 9999999 to 9999999 Message 0 00 00 000 to 23 59 59 999 Message 24D_20H_31M_23S_648MS to 24D_20H_31M_23S 647MS Double Integer Message Hex ASCII String Array Message Hex ASCII String Real Real 3 4e38 Real 3 4e38 Real Array Message Hex ASCII String Message Hex ASCII String Notes 1 All Inputs are Read Only x 0 65535 n 0 65534 m 0 65532 y 0 7 v 1 131 type size this size may vary 2 The longest string InTouch can process is 131 bytes so the following maximum length of arrays v is supported 131 for String 65 for Byte Array and Char Array 32 for Word Array and Integer Array and 16 for Double Word Array Double Integer Array and Real Array Arrays are converted into HEX ASCII strings representing the big endian format of the binary data 3 The S7Ethernet Server will not process a write POKE to an Input Byte Examples ICHAR13 Char with address 13 I O Type Integer EDINT40TOD Double Integer starting from address 40 value interpreted as TOD I O Type Message 14 3 Bit 3 in byte with address 4 I O Type Discrete EREAL5 10 Real Array with length 10 reals 40 bytes starting from address 5 I O Type Message S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automat
20. clicking on Browse button this allows to view the S7ETHERNET Server s exposed address space Update Interval Enter the frequency in milliseconds that the server will acquire data for the items points associated with this topic If 0 zero is entered here OPCLink will not gather data from S7ETHERNET Server Browse Clicking on this button initiates the browsing through exposed address space of S7ETHERNET Server The starting addresses of each available data area and names of pre defined additional items will appear on Browse OPC items window in alphabetical order Accessing S7ETHERNET Items via the OPCLink Server The communication protocol addresses an element of data in a conversation that uses a three part naming convention that includes the application name topic name and item name The following briefly describes each portion of this naming convention application name The name of the Windows program server that will be accessing the data element In the case of data coming from or going to S7ETHERNET Server OPC amp DDE version the application portion of the address is OPCLINK topic name Meaningful names are configured to identify specific devices PLCs These names are then used as the topic name in all conversations to that device PLC This must be same name as Topic Name entered in the OPCLink Topic Definition dialog box for example Controller1 Note You can define multiple topic name
21. configurations This file will automatically be placed in the same directory in which S7ETHERNET EXE is located unless the path where the configuration file will be placed is specified via the Configure Server Settings command ioi x Configure Help Server Settings Command A number of parameters that control the internal operation of the Server can be set In most cases the default settings for these parameters provide a good performance and do not require changing However they can be changed to fine tune the Server for a specific environment To change the Server s internal parameters invoke the Configure Server Settings command The Server Settings dialog box will appear S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 6 Server Settings q Protocol Timer Tick ft 0 msec P NetDDE being used Cancel Configuration File Directory EAS 7Ethernet l Retry failed write messages indefinitely J Start automatically as Windows NT Service The following describes each field in this dialog box Protocol Timer Tick This field is used to change the frequency at which the Server checks for work to do At this frequency the Server tries to send one data request to PLC and receive one reply from PLC If the send response cycle is too long then more than one activation of Server is necessary to process it If computer is very busy or some other MS Windows applicati
22. e the performance of communication S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 18 ITEMCOUNT The ITEMCOUNT item is an Integer type Read Only item used to access the number of active items in the corresponding topic The range of valid values is from 0 to 2147483647 ERRORCOUNT The ERRORCOUNT item is an Integer type Read Only item used to access the number of active items with errors in the corresponding topic The range of valid values is from 0 to 2147483647 ERRORITEMS The ERRORITEMS item is an Integer type Read Write Only unique for each topic used to access the total number of items with invalid item names these items are rejected by Server The ERRORITEMS value can be reset by writing 0 to this item The range of valid values is from 0 to 2147483647 WRITECOUNT The WRITECOUNT item is an Integer tyoe Read Only item used to access the number of write commands messages waiting for execution The range of valid values is from 0 to 2147483647 For example in following way the WRITECOUNT item can be used to avoid the increasing of memory occupied by not executed write commands activate the hot link with WRITECOUNT item and start to monitor it activate new write command by poking new value only if value of WRITECOUNT becomes equal to 0 e g all previous write commands are executed and memory occupied by them is freed SUSPEND Special Read Write Discrete Item SU
23. entication Level OpcEnum Local Path otkloadr Outlook message i Outlook Office Fit Paintbrush PDFPrevHndlr PDFPrevHndlrShirr PDFShellinfo Clas PhoneControl Clas ProAlarm ActionC ProStudio Provide RDSessMar RDSHost Damnta crea Canoe ew Select the Security tab and customize the Launch and Activation and Access permissions by adding the user group OPCUSERS same way like for S7Ethernet OPC amp DDE Server Give all permissions to that group m General properties of this DCOM application Application Name OpcEnum 4 Ge Ge G4 A E Fe A OPC Client side settings To configure necessary settings on OPC Client computer 1 Start dcomcnfg exe from Windows XP Start Run line navigate to and right click on My Computer and select Poperties item from the pull down menu that appears In the window that appears select the Default Properties tab and make sure the settings there are filled like as shown below S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 30 Component Services imiv My Computer Properties a Thx Eile Action View Window Help Ua a Default Protocols MSDTC COMSecurty pallid mjm x i Ey i General Options Default Properties C Console Root B Component Services IV Enable Distributed COM on this computer
24. ernet Server with Suite Link and DDE Clients cccccccceceeeeeeeeeeees 19 Using the S7ETHERNET Server with INTOUCHN c cccceeeeeeeeeeeeeeeeeeeeeeeneeeeeeeeeeeees 19 Defining the Access Names oi wice ceiceees ne cateesctees sues Gea yliniedein ecweae winced tte Quecteeeneteeees 19 Defining the Tag NAMES fst esestete sea eaceehe ockndin eases covonuides Pech mck subd ece waedlt 21 Monitoring the Status of Communication with INTOUCN sssssssssssssseeeeeeees 23 Notes on Using Microsoft EXCe lcs isch soeiececes ov eaiidegiennccuiecinmecedae nachos euubseepeewieeeoereereey s 23 Reading Values into Excel Spreadsheets cccccceeeeeeeeeeeeeeeeeeeneaeeeeeeeteeeseees 23 Writing Values to SZETHERNET Points octiceedeess sexes coe ireee teen ieee 23 Using the S7Ethernet Server with OPC Clients c cccceeeeeeeeeeeeeeeeeeeeeenaeeeeeeeseeeeaaees 24 Configunng DCOM ios at cess ca ase ced a eta sie cea aida cated Uae en a ete ear aE de 25 Lot ie Merman meri A aera erage seis eatin tee Pie CR EEE A Et 25 S7Ethernet OPC Server settings eceeeeeeeee dedieita a 26 OPC EMU SOU GS ae he carci aiacet ones e ay age oom E A aire a i 28 OPC Glie t side Settings iit veal eas ynaganglen dash Ea 29 Running S7ETHERNET OPC amp DDE version as Windows Service ccccceeeees 31 Using S7ETHERNET with OPCLink Server sssssssssssesessssesrnenesererernrrtsrrrrrnnerserrrrrnnnt 31 OPCLink Topie Def
25. etries equal to 3 and SlowPolllnterval equal to 60 seconds For example the following entries can be used to specify that slow poll mode 2 minutes will start after 5 consecutive unsuccessful retries SlowPollRetries 5 SlowPolllnterval 120 Entering into slow poll mode is reported to WWLogger or to S7ETHERNET Internal Logger by following string Entering slow poll mode on topic lt TOPICNAME gt If all topics connected to same adapter cable are in slow poll mode then after 5 full slow poll cycles all topics are at least 5 times polled the connection to this adapter cable is closed and then reopened again Leaving the slow poll mode is reported to Wonderware Logger or to S7ETHERNET Internal Logger by following string Leaving slow poll mode on topic lt TOPICNAME gt ShowRejectedWrites The ShowRejectedWrites entry is used to enable the logging of rejected write messages This option can be useful when communication with a separate topic PLC is suspended by SUSPEND item see Item Names section and the Server rejects each write to this topic PLC If ShowRejectedWrites 1 then information about each rejected write value is reported to WWLogger or to S7ETHERNET Internal Logger If ShowRejectedWrites 0 default then Server rejects each write to suspended topic s without logging any information S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 35 Troubleshooting menu The
26. g DDE FastDDE or Suite Link protocols Please refer to Wonderware OPCLink Server and OPC Browser User s Guide for details how to install start and use the OPCLink Server The following information in this section covers only the most important points about using OPC amp DDE version of S7ETHERNET Server with OPCLink Server S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 32 OPCLink Topic Definition The Topic Definition option from OPC Link Configure menu is used to create modify or delete OPCLink topic definitions If OPC Link will communicate with S7ETHERNET Server then there must exist one or more topics defined for S7ETHERNET Server There are following important fields on the OPCLink Topic Definition dialog box Topic Name Enter a unique name e g Controller1 for the PLC in this field If using InTouch then same Topic Name is to be entered in the Add Access Name dialog box when defining the Access Names for OPCLink Server in InTouch WindowMaker OPC Server Name Select the name of the OPC server S7ETHERNET OPC_ Server that will be used by this topic The list box shows the registered OPC servers in the system OPC Path Enter the name of the OPC path e g S7300 used by this topic This OPC path is the first part of a full OPC item name string common to all items that will be used in this topic The available OPC paths for S7ETHERNET Server can be obtained by
27. g box will appear Access Names Click on Add The Add Access Name Dialog Box will appear Access 57300 Node Name B Cancel Application Name sfethernet Topic Name 57300 Which protocol to use C DDE SuiteLink C Message Exchange When to advise server Advise all items Advise only active items S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 20 Note If Add is selected this dialog box will be blank when it initially appears Data has been entered here to illustrate the entries that are made The following fields are required entries when entering an Access Name Definition Access Name In the Access Name box type the name you want InTouch to use to this Access Name For simplicity use the same name that you will use for the Topic Name here Node Name If the data resides in a network I O Server in the Node Name box type the remote node s name Application Name In the Application Name box type the actual program name for the I O Server program from which the data values will be acquired In case the values are coming from the S7Ethernet Server the S7ETHERNET is used Do not enter the exe extension portion of the program name Topic Name Enter the name defined for the topic in the S7ETHERNET Server to identify the topic the S7Ethernet Server will be accessing The Topic Name is an application spec
28. gger is available only for OPC amp DDE version of S7ETHERNET Server To enable the S7ETHERNET Internal Logger check the Show Logger option at the S7ETHERNET Server System Menu see Troubleshooting menu section above this command can be used to start stop Internal Logger The Internal Logger window looks like following 01x Options 2006 03 05 15 02 42 804 S Ethernet R 195 2 103 56 57300 2 DB450 DB451 00 00 2006 03 05 15 02 42 804 S Ethernet 195 2 103 56 57300 SRd DB450 DB451 2006 03 05 15 02 42 819 S Ethernet R 195 2 103 56 57300 2 DB450 DB451 00 00 2006 03 05 15 02 42 819 S Ethernet 195 2 103 56 57300 SRd DB450 DB451 2006 03 05 15 02 42 835 S Ethernet R 195 2 103 56 57300 2 DB450 DB451 00 00 2006 03 05 15 02 42 635 S Ethernet 195 2 103 56 57300 SRd DB450 DB451 2006 03 05 15 02 42 651 S Ethernet R 195 2 103 56 57300 2 DB450 DB451 00 00 2006 03 05 15 02 42 851 S Ethernet 195 2 103 56 57300 SRd DB450 DB451 OOOO OA Ar Aan an nann male Mm 40rF NM 4ON re mAs Im AMAA AMA nanan S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 36 To save Internal Logger information to file select Options Disk Options from Internal Logger main menu the Disk Options dialog box will appear IV Log to File i i r File Options Cancel Directory ess 7Ethermet OPC and DDE Servers Keep Log File for jo days The following can be entered
29. he Service dialog box can be invoked by pressing the Startup button on Services dialog box when Service S7Ethernet_lOServer is selected If Allow Service to Interact with Desktop is not selected then S7Ethernet Server full functionality is not ensured e g the Server configuration can not be changed no message boxes will be displayed etc Once all entries have been made click on OK Topic Definition Command The user provides each connected Siemens S7 300 PLC with an arbitrary name that is used as the Topic Name for all references to this PLC The following steps are taken to define the Topic attached to the PLC 1 Invoke the Configure Topic Definition The Topic Definition dialog box will Topic Definition Topics Dow appear 2 To modify an existing topic select the topic name and click on Modify To define a new topic click on New The S7Ehernet Topic Definition dialog box will appear S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 8 Topic Name 7300 Station P Address 192168 106 57 _Lancel_ MPI Address 2 Update Interval fio msec Reply Timeout 3 sec 3 Enter the Topic Name Note If using InTouch the same Topic Name is to be entered in the Add Access Name dialog box described in the Using the S7Ethernet Server with InTouch section 4 Enter the IP Address of the PLC Note Additional t
30. hernet Server 25 1 Run OPC Client application and select the S7Ethernet OPC and DDE Server from the list of available OPC Servers If S7Ethernet Server currently is not running it will start automatically Create a new group or topic if Wonderware OPCLink application is used If OPC Client supports the validating of items validate the item before adding it Add the item Depending on OPC Client it can be done in several different ways for example EON a By entering separately the access path to topic name valid topic name configured in S7Ethernet Topic definition and separately the item name b By entering the full path to item name in the format TopicName ltemName where TopicName is the valid topic name configured in S7Ethernet Topic definition c By browsing the server address space By default the S7Ethernet Server is installed and used as a local OPC Server both OPC Server and OPC Client reside on same computer The S7Ethernet Server can run also as a remote OPC Server in this case OPC Server and OPC Client are located on separate computers Accessing the remote OPC Server is same as for local OPC Server but some DCOM Distributed COM configuration is required before accessing the remote OPC Server The DCOM configuration must be done both on OPC Server and OPC Client computers Configuring DCOM To access S7Ethernet Server as a remote OPC Server it is necessary to do some changes in default security settings se
31. ial or office sector and the production sector From general point of view many aspects of OPC are similar to DDE but main difference is in the implementation by using Microsoft s COM Component Object Model technology It enables fast exchange with process automation data and OPC open interface allows access to data from OPC Server in same standard way from OPC client applications supplied by different developers For more information on the basics of OPC please refer to the OPC Specification The OPC Data Access Custom Interface Specification is maintained by OPC Foundation the current specification is 2 05A dated June 2002 3 00 dated March 2003 S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 3 The OPC support for S7Ethernet Server OPC amp DDE version is implemented based on FactorySoft OPC Server Development Toolkit and it conforms to OPC Data Access Custom Interface Specification 2 04 The S7Ethernet Server OPC amp DDE version is tested for compliance and is compatible with OPC Foundation OPC Data Access Compliance Test Tool The Suite Link FastDDE Version 3 and DDE support for S7Ethernet Server Suite Link amp DDE version is implemented by Wonderware I O Server Toolkit ver 7 2 1 6 The FastDDE Version 2 and DDE support for S7Ethernet Server OPC amp DDE version is implemented by Wonderware I O Server Toolkit ver 5 0 008 Accessing Remote Item
32. ific sub group of data elements In the case of data coming from S7Ethernet Server program the topic name is the exact same name configured for the topic in the S7Ethernet Server Note This will usually be the same as the Access Name although if desired they may be different However it must be the same name used when the topics were configured in section Configuring the S7Ehernet Server Which protocol to use Select the protocol DDE or Suite Link that you are using When to advise server Select Advise all items if you want the Server program to poll for all data whether or not it is in visible windows alarmed logged trended or used in a script Selecting this option will impact performance therefore its use is not recommended Select Advise only active items if you want the Server program to poll only points in visible windows and points that are alarmed logged trended or used in any script Enable Secondary Source Click on this checkbox to enable the failover processing for this Access Name See InTouch user documentation for Access Name failover setup details Click OK to accept the new Access Name and close the Add Access Name dialog box The Access Names dialog box will reappear displaying the new Access Name selected in the list Click Close to close the Access Names dialog box S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 21 Defining the Tag
33. in this dialog box Log to File If checked then Internal Logger information will be saved to Internal Logger File The S7ETHERNET Internal Logger file name is created in the following format S7Ehernet_YYYYMMDD logn where YYYY is a year MM is a month DD is a day and nis a order number of consecutive S7ETHERNET Internal Logger file starting from 1 The S7ETHERNET Internal Logger file maximum size is 16 MB if there is more information logged then next consecutive file is created e g there can be consecutive files S7Ethernet_20021205 log1 S7Ethernet_20021205 log2 etc Directory Enter the path where to keep the Internal Logger File Keep Log File for Here the number of days how long to keep the Internal Logger File can be entered After this number of days expires the corresponding Internal Logger File will be automatically deleted The default value 0 keeps Internal Logger Files forever in this case they can be deleted manually Options Font To configure the font used by Internal Logger select Options Font from Internal Logger main menu the Font dialog box will appear S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server Font Font Font style MS Serif O Palatino Linotype PMingLiU T RimHelvetica ad T RimTimes T RusHelvetica x Effects Sample Ms Sans Serif Color L Black v S7Ethernet Server Ver 1 x User Manual Re
34. inition s sisas e a a e e aE 32 Accessing S7ETHERNET Items via the OPCLink Serve cceeeesseeeeeeeeeees 32 Error MESSAGES eesse e a iueioay ee yaedeevspence gece sanased ae nse E R Ee ei 33 MOUBDIGSMO OTN G eneeier acts etan ante tet aeatedatadteeueeuer Anway a 33 WINAINE ENTES oases cree Seren eects a acne ante E E R A Ren E A 33 Troubleshooting Men er R dale ee ad 35 Internal Logger ceee anan e r E N errr 35 S7Ethernet Server Ver 1 x User Manual Rev 1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 1 S7 ETHERNET Communication Server for SIMATIC S7 300 Overview The SIEMENS S7 ETHERNET Server hereafter referred to as the S7Ethernet Server or S7Ethernet or Server is a Microsoft Windows application program that acts as a communication protocol Server and provides other Windows application programs with access to data within the Siemens S7 300 PLCs The S7Ethernet Server provides access to a Siemens PLC through an off the shelf standard Ethernet network interface card in the computer and uses the ISO over TCP communication protocol implemented by Libnodave library The main advantage of using S7Ethernet Server supporting ISO over TCP protocol if compared with software using the S7 communication protocol for example with Wonderware SIDirect DAServer is the significant Ethernet communication speed improvement for communication with Simatic CPU 317 2 PN DP controllers firmware V2 5
35. ion S7Ethernet Server 15 Output Bytes Ausgange Type Discrete Oor 1 Discrete Oor 1 Discrete Oor1 Discrete Oor1 OSx v Message String ESx v Message String OSTRINGx v Message String ASTRINGx v Message String OBx Integer 0 to 255 ABx Integer 0 to 255 OBYTEx Integer 0 to 255 ABYTEx Integer 0 to 255 Message 1990 1 1 0 00 00 000 to 2089 12 31 23 59 59 999 Byte Array OBx v Message Hex ASCII String ABx v Message Hex ASCII String OBYTEx v Message Hex ASCII String ABYTEx v Message Hex ASCII String OCHARx Integer 128 to 127 ACHARx Integer 128 to 127 Message 1990 1 1 0 00 00 000 to 2089 12 31 23 59 59 999 Char Array OCHAR lt x v Message Hex ASCII String ACHAR lt x v Message Hex ASCII String Word OWn Integer 0 to 65535 AWn Integer 0 to 65535 OWORDn Integer 0 to 65535 AWORDn Integer 0 to 65535 Integer 0 to 9999 Message 0 0 to 999 3 Message Omsto2h46m30s Real 3 0 to 9990 0 s Message 1990 1 1 to 2168 12 31 Word Array Message Hex ASCII String Message Hex ASCII String Message Hex ASCII String Message Hex ASCII String Integer Integer 32768 to 32767 Integer 32768 to 32767 Integer 999 to 999 Message 1990 1 1 to 2168 12 31 Integer Array Message Hex ASCII String AINTn v Message Hex ASCII String S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 16 Output Bytes Ausgange continued Data Format I O Tag Type Double Word ODm Integer 0 to 2147483647 ADm I
36. l time running of S7Ethernet Server The HASP Driver setup is performed during the Server setup Without HASP Driver installed and HASP key plugged into PC parallel port the S7Ethernet Server will run only 1 hour with all features enabled S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 5 Installing the I O Server Infrastructure The I O Server Infrastructure installation package can be supplied as a self extracting archive lOServerlnfrastructure exe or downloaded from Klinkmann s web site http www klinkmann com To install the I O Server Infrastructure from the self extracting archive run the OServerlnfrastructure exe and proceed as directed by the I O Server Infrastructure Setup program To uninstall the I O Server Infrastructure start Control Panel select Add Remove Programs and select the IO Server Infrastructure from the list of available software products Click on Add Remove and proceed as directed by the UnInstallShield program Note The I O Server Infrastructure installation will be rejected if Wonderware FS2000 Common Components are already installed on same computer Configuring the S7Ethernet Server After the S7Ethernet Server is initially installed a small amount of configuration is required Configuring the Server automatically creates a S7ETHERNET CFG file that holds all of the topic definitions entered as well as the communication port
37. lected for the OPC Server s and Client s computers The following Windows XP SP2 based explanation describes the necessary settings to be done for XP SP2 firewall for OPC Server and for OPC Client computers Firewall When setting up the OPC Server Client it is recommended initially to switch the firewall off After the necessary configuration is done the firewall should be restarted and the DCOM port added to the exception list by selecting Add Port in firewall Exceptions pane and adding TCP port 135 as it is needed to initiate DCOM communications S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 26 Windows Firewall e xj General Exceptions Advanced Window Fiewal is blocking inor TT programs and services selected be to work better but might increase y Use these settings to open a port through Windows Firewall To find the port number and protocol consult the documentation for the program or service you want to use Programs and Services Name M DCOM Name DCOM O File and Printer Sharing mod_RSsim Port number fi 35 Modbus Master Slave Suite Remote Assistance ICP UDP Remote Desktop SAP Logon for Windows What are the risks of opening a port O UPnP Framework Change scope Cancel Add Program a Edit Delete IV Display a notification when Windows Firewall blocks a program What are the risks of a
38. llowing exceptions OK Cancel As well by selecting the Add Program all necessary OPC Server and OPC Client programs should be added to the exception list S7Ethernet OPC Server settings After S7Ethernet Server OPC amp DDE version installation the System Administrator must configure DCOM by using the dcomcenfg exe system utility the following steps 1 At first it is recommended to create a local group i e OPCUSERS that contains a list of all the users who will have permission to access the S7Ethernet OPC server 2 Start dcomcnfg exe from Windows XP Start Run line and select the S7Ethernet OPC amp DDE Server from the list of DCOM entries S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server Se File Action View Window Help lal xl e m xE Me m Console Root DCOM Config 202 object s B Component Services G Computers ml My Computer oes i H E COM Applications eremote Storage Recall Notification Client a gy DCOM Config RemoteProxyFactory32 Class Distributed Transaction C Removable storage Manager Removable Storage Sink Layer E Removable Storage UI Layer gt Routeview Application hernet amp Sapgui Application SENS Logon Events SENS Logon2 Events y amp SENS Network Events ESENS OnNow Events ENS Subscriber for EventSystem EventObje amp ServiceLayer setup Controller 12 p SetupLogServices Clas
39. me portions of the formula must be enclosed in quotation marks POKE channel itemname Data_Reference POKEs the value contained in the Data_Reference to the specified item name actual location in the Siemens PLC via the channel number returned by the previously executed INITIATE function Data_Reference is the row column ID of the cell containing the data value For itemname use some of the valid item names described in the Item Names section TERMINATE channel Closes the channel at the end of the macro Some applications have a limited number of channels Therefore they should be closed when finished Channel is the channel number returned by the previously executed INITIATE function RETURN Marks the end of the macro The following is an example of Excel macro used to poke value from cell B2 to topic 7300 item DB123 W24 PokeMacro Ctrl a INITIATE S7ETHERNET S7300 POKE A2 DB123 W24 B2 ON TIME NOW 0 01 TerminateDDEChannel RETURN TerminateDDEChannel TERMINATE A2 RETURN Note Refer to the Microsoft Excel manual for complete details on entering Remote Reference formulas for cells Using the S7Ethernet Server with OPC Clients The OPC amp DDE version of S7ETHERNET Server is accessible from OPC Clients There are following general steps needed to access an OPC item from S7Ethernet Server S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Et
40. ns of packing many proprietary Wonderware DDE messages into a single Microsoft DDE message This packing improves efficiency and performance by reducing the total number of DDE transactions required between a client and a server S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 2 Although Wonderware s FastDDE has extended the usefulness of DDE for the industry this extension is being pushed to its performance constraints in distributed environments The S7Ethernet Server Suite Link amp DDE version supports the FastDDE Version 3 an extension to Wonderware s proprietary FastDDE Version 2 This extension supports the transfer of Value Time Quality VTQ information The original DDE and FastDDE Version 2 formats are still supported providing full backward compatibility with older DDE clients FastDDE Version 3 works on Windows 9x systems as well as Windows NT systems NetDDE extends the standard Windows DDE functionality to include communication over local area networks and through serial ports Network extensions are available to allow DDE links between applications running on different computers connected via networks or modems For example NetDDE supports DDE between applications running on IBM compatible computers connected via LAN or modem and DDE aware applications running on non PC based platforms under operating environments such as VMS and UNIX SuiteLink uses a TCP IP based pr
41. nteger 0 to 2147483647 ODWORDm Integer 0 to 2147483647 ADWORDm Integer 0 to 2147483647 Integer 0 to 99999999 Message 0 00 00 000 to 23 59 59 999 Message 24D_20H_31M_23S_648MS to 24D_20H_31M_23S 647MS Double Word Message Hex ASCII String Array Message Hex ASCII String Message Hex ASCII String ADWORDm v Message Hex ASCII String Double Integer ODINTm Integer 2147483648 to 2147483647 ADINTm Integer 2147483648 to 2147483647 Integer 9999999 to 9999999 Message 0 00 00 000 to 23 59 59 999 T Message 24D_20H_31M_23S_648MS to 24D_20H_31M_23S 647MS Array ADINTm v Message Hex ASCII String Real OREALm Real 3 4e38 AREALm Real 3 4e38 Real Array OREALm v Message Hex ASCII String AREALm v Message Hex ASCII String Notes 1 All Outputs are Read Write x 0 65535 n 0 65534 m 0 65532 y 0 7 v 1 131 type size this size may vary 2 The longest string InTouch can process is 131 bytes so the following maximum length of arrays v is supported 131 for String 65 for Byte Array and Char Array 32 for Word Array and Integer Array and 16 for Double Word Array Double Integer Array and Real Array Arrays are converted into HEX ASCII strings representing the big endian format of the binary data 3 The S7Ehernet Server will process a write POKE to an Output Byte Examples OB20 Byte with address 20 I O Type Integer ASTRING30 10 String starting from address 30 length 10 bytes I O Type Message OX13 4 Bit 4 in
42. on is taking over the computer then the Server is activated rarely than setting in the Protocol Timer Tick Note The default value is 50 milliseconds The minimum and recommended value for achieving highest communication performance is 10 milliseconds NetDDE being used Select this option if you are networking using NetDDE Configuration File Directory This field is used to specify the path disk drive and directory in which S7Ethernet will save its current configuration file The S7Ethernet Server will use this path to load the configuration file the next time it is started Note Only the path may be modified with this field The configuration file is always named S7ETHERNET CFG There is no limit to the number of configuration files created although each must be in a separate directory When using the S7Ehernet Server with InTouch it is good practice to place the configuration file in the application directory Retry failed write messages indefinitely This field is used to disable the deleting of pending write messages when slow poll mode on some topic is started As default all write messages for this topic are deleted when topic enters the slow poll mode Note Be careful when using this setting if PLC is disconnected or switched off but client application continues to generate new values to be written to this device it can cause the computer memory overload with memory allocated for write messages Start automatically as Wind
43. opics may be associated with the same adapter cable later 5 Enter the MPI Address of S7 300 PLC to be accessed This address must match with PLC address entered when configuring the PLC with Simatic STEP 7 software Default value is 2 6 Set the Update Interval field to indicate the frequency the items points on this topic will be read polled Default value is 1000 milliseconds The maximum performance can be achieved by using the minimum value of 10 milliseconds in this case the S7Ethernet Server will try to poll data as fast as possible 7 Set the Reply Timeout field to indicate the amount of time in seconds the Controller using the selected communication adapter cable will be given to reply to commands from the Server Default value is 3 seconds When all entries have been made click on OK to process the configuration for this topic Select Done in Topic Definition dialog box when configuration for all Topics has been performed Saving S7Ethernet Configuration File If the configuration file does not currently exist or a new configuration path has been specified the Server will display the Save Configuration dialog box S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 9 Save Configuration Configuration File Directory E S Ethernet Defaults JV Make this the default configuration file This dialog box displays the path where the Server is going to sa
44. otocol and is designed by Wonderware specifically to meet industrial needs such as data integrity high throughput and easier diagnostics This protocol standard is only supported on Microsoft Windows NT 4 0 or higher SuiteLink is not a replacement for DDE FastDDE or NetDDE The protocol used between a client and a server depends on your network connections and configurations SuiteLink was designed to be the industrial data network distribution standard and provides the following features Value Time Quality VTQ places a time stamp and quality indicator on all data values delivered to VTQ aware clients Extensive diagnostics of the data throughput server loading computer resource consumption and network transport are made accessible through the Microsoft Windows NT operating system Performance Monitor This feature is critical for the scheme and maintenance of distributed industrial networks Consistent high data volumes can be maintained between applications regardless if the applications are on a single node or distributed over a large node count The network transport protocol is TCP IP using Microsofts standard WinSock interface OPC OLE for Process Control is an open interface standard to provide data from a data source and communicate the data to any client application ina common standard way The OPC is based on Microsoft OLE COM and DCOM technologies and enables simple and standardised data interchange between the industr
45. ows NT Service Enabling this option will cause the S7Ethernet Server Suite Link amp DDE version to start as a Windows NT service Windows NT offers the capability of running applications even when a user is not logged on to the system This is valuable when systems must operate in an unattended mode Enabling this option and rebooting the system will cause the Server to run as a Windows S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 7 NT service However to view configuration information or to reconfigure the Server the user must log on to the system Any Server related problems that may arise such as missing adapter cards licensing failures or device drivers not loading will not be visible to the user until a log on is performed Disabling this option and rebooting the system will cause the Server to run as a Windows NT application program once again Notes 1 The Start automatically as Windows NT Service feature can be activated only with S7Ehernet Server Suite Link amp DDE version To start the S7Ehernet Server OPC amp DDE version as Windows NT Service refer to Running S7Ethernet OPC amp DDE version as Windows NT Service section of this manual 2 The Service Startup configuration can be changed by MS Windows NT Control Panel Services configuration dialogs The Allow Service to Interact with Desktop checkbox in Service dialog box must be checked t
46. r 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 22 Select the Access name for S7Ethernet Server by clicking on the Access Name button The Access Names dialog box will appear Access Names Galax Add Modify Delete Select the appropriate Access Name and click on Close If the Access Name has not been defined as previously described click on Add and define the Access Name now The Details dialog box will appear displaying the selected Access Name Initial Value jo Min EU fo Mag EU 32767 Deadband jo Min Raw fo Max Raw 32767 Ss wi r Conversion Eng Units Log Deadband fo Linear Square Root Access Name 7300 Item Use Tagname as ltem Name For integers and reals fill in the Min EU Max EU Min Raw and Max Raw fields These fields control the range of values that will be accepted from the Server and how the values are scaled If no scaling is desired Min EU should be equal to Min Raw and Max EU equal to Max Raw Enter the S7Ethernet item name to be associated with this tagname in the Item field in the Details box Initial Value jo Min EU fo Mag EU 32767 Deadband jo Min Raw fo Max Raw 32767 z Conversion EngiUn s Log Deadband 0 le Linear Square Root Access Name 7300 Item Det 23W24 I Use Tagname as Item Name Refer to the Item Names section below for complete details Where applicable the
47. s amp SharedAccess amp ShellWindows Running Processes p Event Viewer Local Services Local F 27 3 Right click on S7Ethernet OPC amp DDE Server and select the Poperties item from the pull down menu that appears In the window that appears select the General tab and make sure the Authentication Level field is set to Connect S7Ethernet OPC amp DDE Server Properties 21x General Location Security Endpoints Identity r General properties of this DCOM application Application Name S7Ethernet OPC amp DDE Server Application Type Local Server Authentication Level Connect Local Path Application ID C3F4D85D DE 2E 43b4 946D 445205701102 S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 28 4 Select the Security tab and customize the Launch and Activation and Access permissions by adding the user group with user who will have permission to access the S7Ethernet OPC server Give all permissions to that group Security Security Group or user names Group or user names f Administrators ORKORK_NEW Administrators gi ANONYMOUS LOGON f Everyone Ei INTERACTIVE a OPCUSERS ORKORK_NEWSOPCUSERS f Everyone OPCUSERS ORKOR
48. s for the same PLC to poll different points at different rates S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 33 item name A specific data element within the specified topic The OPCLink Server item syntax follows the following rules The item names must start with d discrete value i integer value r real value m message string The item name added to the OPC path of the topic without the heading type letter must give a fully qualified OPC item name for the S7ETHERNET Server Some examples of possible item names acceptable by OPCLink Server S7ETHERNET Server connection iDB123 W24 word starting from address 24 in Data Block 123 d14 3 bit 3 in input byte with address 4 Error messages The messages about errors detected by the Server are displayed on the Wonderware Logger or S7ETHERNET Internal Logger main window and saved to log file Some of most often errors are Invalid item name lt I O item name gt This error message is displayed if client application has requested wrong I O item name from S7ETHERNET Server Function daveReadM failed Station lt PLC IP address gt topic lt topic name gt area lt data area name gt data block lt data block number gt start address lt data area start address gt length lt length of data gt Value s can not be accessed Such kind of error message is displayed if there are problems with connec
49. s via the Server The communication protocol addresses an element of data in a conversation that uses a three part naming convention that includes the application name topic name and item name The following briefly describes each portion of this naming convention application name The name of the Windows program server that will be accessing the data element In the case of data coming from or going to Siemens Simatic S7 300 PLC via this Server the application portion of the address is S7ETHERNET topic name Meaningful names are configured in the Server to identify specific devices These names are then used as the topic name in all conversations to that device For example 7300 Note You can define multiple topic names for the same device PLC to poll different items at different rates item name A specific data element within the specified topic For the S7ETHERNET Server an item is an individual data bit byte word integer string etc in the PLC The term point is used interchangeably with the term item in this User Manual For more information on item names see the Item Names section later in this manual Installing the S7ETHERNET Server Installing the Server The S7Ethernet Server installation package is supplied as a self extracting archive 57010xxx EXE for Suite Link amp DDE version or 57011xxx EXE for OPC amp DDE version the xxx is the current latest version of the Server To install the S7
50. ssary only for OPC amp DDE version of the Server WWDLG32 DLL Dynamic Link Library necessary only for OPC amp DDE version of the Server To uninstall the S7Ethernet Server start Control Panel select Add Remove Programs and select the S7Ethernet SuiteLink and DDE Server or S7Ethernet OPC and DDE Server from the list of available software products Click on Add Remove and proceed as directed by the UnInstallShield program Notes 1 The S7Ethernet Server Suite Link amp DDE version is developed with Wonderware I O Server Toolkit ver 7 2 1 6 and needs the Wonderware FS2000 Common Components to be installed on computer where the S7Ethernet Server is running The Wonderware FS2000 Common Components are installed automatically when any of Wonderware FS2000 Components e g InTouch or some Wonderware I O server is installed If S7Ethernet Server Suite Link amp DDE version will run on PC where Wonderware FS2000 Common Components are not installed then a special I O Server Infrastructure installation package can be obtained from Klinkmann Automation see Installing the I O Server Infrastructure section below This I O Server Infrastructure installation package contains the minimum set of software needed to run the S7Ethernet Server Suite Link amp DDE version and these infrastructure files must be install prior to executing the S7Ethernet Server The HASP key is needed for ful
51. tion with PLC or requested data is not available for example requested Data Block does not exist in PLC Troubleshooting WIN INI entries The first time you run the S7ETHERNET Server configuration most of the items in the following list will automatically appear in the WIN INI file located in the MS Windows system directory e g C WINNT It is an ASCII file and can be altered manually if you wish with any text editor e g MS Windows Notepad do not use a program that formats text such as MS Word or Write unless the file is saved as a DOS text The following is a typical entry for the S7ETHERNET Server S7ETHERNET Winlconic 0 WinFullScreen 0 S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 34 WinTop 112 WinLeft 0 WinWidth 200 WinHeight 168 ProtocolTimer 10 ConfigurationFile C S7ETHERNET ShowSend 0 ShowReceive 0 ShowErrors 1 There are following additional WIN INI entries available for S7ETHERNET Server SlowPollRetries and SlowPolllnterval The SlowPollRetries entry is used to enter the number of consecutive error retries for one topic PLC If after SlowPollRetries there is still no successful response from PLC then this topic is changed to slow poll mode The WIN INI file SlowPollinterval entry is used to enter the slow poll mode update interval in seconds The default values they are used if WIN INI file does not contain these entries are SlowPollR
52. v1 0 37 570xxm10 doc Klinkmann Automation S7Ethernet Server 38 KLINKMANN AUTOMATION S7ETHERNET Communication Server Revision History Mar 2008 Rev 1 0 First Release S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc
53. ve the current configuration file The path may be changed if necessary Also the path can optionally be recorded in the WIN INI file by selecting the Make this the default configuration file option Doing so it will allow the S7Ethernet Server to find the configuration file automatically each time it is started Configuration File Location When the S7Ethernet Server starts up it first attempts to locate it s configuration file by first checking the WIN INI file for a path that was previously specified If the path is not present in the WIN INI file the Server will assume that the current working directory is to be used To start the Server from an application directory configuration file other than the default configuration file a special switch d is used For example invoke the Start Run command and enter the following S7ETHERNET d c directoryname Note There is no limit to the number of configuration files that may be created although each must be in a separate directory S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 10 Item Names The S7Ethernet Server supports item point names that are consistent with the point naming used by Siemens S7 300 PLCs The tables below list the item point names supported by the S7Ethernet Server Bit D lt B I gt d Xx y Discrete 0 or 1 String D lt B gt d Sx v D lt B I gt d STRINGx v D lt B gt d Bx Integer 0 to 255 Data Blocks
54. y edit who is alowed by default to launch applications or Permissions for ANONYMOUS _Bemove activate objects You may also set limits on applications that LOGON Local Access oO Edit Limits Edit Default Remote Access 3 Edit the Default settings for Launch and Activation Permissions by adding if not yet added ANONYMOUS LOGON and giving it all all access permissions Do the same also for Edit Limits S7Ethernet Server Ver 1 x User Manual Rev1 0 570xxm10 doc Klinkmann Automation S7Ethernet Server 31 Note In case the Edit Limits selections are not available grayed that would mean the DCOM Security Options for some reason have Security Setting other than Not defined To correct that select Control Panel Administrative Tools Local Security Policy and select Local Policies Security Options in Local Security Settings dialog box select right click and invoke Properties for DCOM Machine Access Restrictions and DCOM Machine Launch Restrictions and change their Security Setting to Not defined 4 Now the configuration of OPC Client side is is completed close the dcomcnfg program and restart the OPC Client Running S7ETHERNET OPC amp DDE version as Windows Service To install S7ETHERNET Server OPC amp DDE version to run as Windows Service the S7ETHERNET Server must be started with command line parameter Service S7ETHERNET Service After this the
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