eWON General Reference Guide - Esco Drives & Automation

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General Reference GuideAppendix10 Appendix10.1 Access to the eWON Technical SupportAn eWON technical support is provided on our Web site (http://www.ewon.biz/). Just fill in the support request sheet (/Support/Support request),or send your problem description to support@ewon.biz. Our support team will provide you technical information to help you solving any issue youcould encounter to configure your eWON (even if we think that this User Manual answers the more exhaustively as possible to such questions),or to integrate it or collecting information on your industrial networks.10.2 eWON configuration and files storageThis chapter explains how the data storage is organized in the eWON.10.2.1 Flash file systemThe eWON uses a flash file system that uses a 8, 16 or 32 MBytes flash area.Flash Memory8 MB16 MB32 MBeWON types• eWON500• eWONx001• eWON4002• eWONx005• eWONx101• eWON4102• eWONx005CD• eWONx104Table 184: Flash memory vs eWON typeThe following files are saved in this flash file system:File Type Max Size DescriptionConfiguration(Except COMconfiguration)256KConfiguration file:• System setup• Pages setup• IO Servers setup• Tags setup• Users setupNote: The content of the COM setup page is not saved hereProgram 128K Script program/usr directory1 to 3 MB4 to 6 MB14 to 16 MBContent of the whole /usr directory and its subdirectories. The size ofthe /usr directory can be defined by the user since version 4Event file C 128K Event fileAlarm History C 128KAlarm history fileMax number of alarm history: 8192Historical loggingC16384, 73728 or139264 pointsHistorical logging fileTable 185: Flash file system - files type and sizeImportant:“C” file type means that the file is a circular file. This kind of file has 2 sizes, the standard size and the maximum size. When themaximum size is reached, the oldest 64K of data are erased and new data starts to be written. This means that the actual size ofdata that has to be considered for a circular file is the standard size, because the maximum size is not permanent.Formatting the Flash file system means erasing all the data in these files.RG-001-0-EN ver 1.5 eWON® - 20/03/2009 - ©ACT'L sa Page 199
General Reference GuideAppendix10.2.2 Non-volatile configurationThere are 2 additional blocks of flash memory used for:• Non-volatile COM configuration: this block contains the "System COM" setup.• Retentive values:Each time a retentive value changes, a record is written in flash, the record is 12 bytes long.This file is also erased when the flash file system is formatted.The flash memory can be erased/written minimum 100K timesEach time a retentive value is written, its record is read back and content is verified, in case of error, error code “Write retentive failed”,code 20517 is generated, it indicates that flash is probably dead.10.3 Tips for Internet setup10.3.1 Finding the IP address of a given hostThe eWON does provide DNS (Domain Name Server) resolution. But, sometimes, it’s faster to access Internet nodes by its IP address.In order to find the address corresponding to a given name, you can use the ping –a NodeName command. This command will returnmiscellaneous information including the IP address of NodeName that you need.Example:C:\>ping -a microsoft.comPinging microsoft.com [207.46.197.101] with 32 bytes of data:Destination host unreachable.Destination host unreachable.Destination host unreachable.Destination host unreachable.Ping statistics for 207.46.197.101:Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),Approximate round trip times in milli-seconds:Minimum = 0ms, Maximum = 0ms, Average = 0msThe microsoft.com IP address reported is 207.46.197.101 for this example.10.4 Finding your PC IP addressUnder Windows 95/98, the WINIPCFG command (executed from a command prompt or from the START/RUN menu) will return your Ethernetand PPP adapter IP address. If not currently connected through PPP, the PPP IP address is N/A.WINIPCFG DOS command does not exist anymore on Millennium, Windows NT, 2000 and XP systems.The IPCONFIG command can be used instead. This command must be executed from a command prompt and displays as text the IP address ofall the TCP/IP adapters that are detected.Example:C:\>ipconfigWindows 2000 IP ConfigurationEthernet adapter Local Area Connection:Connection-specific DNS Suffix . :IP Address. . . . . . . . . . . . : 10.0.0.11Subnet Mask . . . . . . . . . . . : 255.255.255.0Default Gateway . . . . . . . . . :RG-001-0-EN ver 1.5 eWON® - 20/03/2009 - ©ACT'L sa Page 200
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eWON General Reference Guide - Esco Drives & Automation

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