eWON General Reference Guide - Esco Drives & Automation

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General Reference GuideIO Servers ConfigurationFigure 100: PPI link configurationParameterCOM PortBaud RateParityDescriptionChoose your COM port (only on eWON4002)Speed of the PPI port. Available speeds are 9600, 19200 Bauds or disableThe parity to apply (None / Even /Odd)Databits Number of bits in data (7 or 8)Stop bit(s) Number of Stop bits (1 or 2)HW modeReply TimeoutChoose the Hardware mode of communication: Half-Duplex by defaultor Full Duplex with/without hardware handshaking.Maximum time the eWON will wait for a valid PPI message responsePPI Address Device address of eWON on PPI link (0..126, default is 0)5.13.2.3 COM configuration (MPI port)Figure 101: MPI link configurationParameterProtocol TypeBaud RateReply TimeoutDescriptionSelect protocol PPI MULTIMASTER.As the MPI port configuration is shared by the S7-200 and the S73&400IOServers, this combo box shows also the MPI & Profibus protocols.PPI MultiMaster and MPI/Profibus are mutually exclusive. It is not allowed touse at the same time the S7-200 and the S73&400 IOServers on the MPIport.Speed of the MPI port.Available speeds are:• disable• 9.6 kBauds• 19.2 kBauds• 45.45 kBauds• 93.75 kBauds• 187.5 kBauds• 1.5 MBauds• 3 MBauds (only for 2005CD-MPI or 4005CD-MPI)• 6 MBauds (only for 2005CD-MPI or 4005CD-MPI)• 12 MBauds (only for 2005CD-MPI or 4005CD-MPI)The maximum time the eWON will wait for a valid MPI message responsePPI MultiMaster Address The device address of eWON on PPI link (0..126, default is 0)PPI Highest Station AddressThe highest station address polled by eWON. Select between 15, 31, 63 or127.Figure 102: PPI MultiMaster settingsNote: When using the PPI MultiMaster, the status counters to be checked are the MPI counters and not the PPI counters.RG-001-0-EN ver 1.5 eWON® - 20/03/2009 - ©ACT'L sa Page 131
General Reference GuideIO Servers Configuration5.13.2.4 Topic configurationFigure 103: Topic configurationThree (3) topics can be used for the IO Server. These topics are used to give a common property to a group of PPI/ISOTCP Tags like:• Enable/Disable• Global Device Address• Polling RateTopic configuration itemTopic enabledGlobal Device AddressPoll rateDescriptionEnables or disables polling of all the Tags in the topic.See below for the Device Address Syntax. If an address is specified here, it willreplace (overload) the address-defined Tag by Tag.Defines the refresh rate of the Tag name. In a complex application, we canimagine that some Tag names must be refreshed every second - typically fordigital input - and other every minute - typically: temperature-.5.13.3 Tag name conventionIO Server NameS7200ATopic NameBItem NameCValueName, Global Device AddressValueNamePLC address is defined Tag by TagTopic PLC Address is used.Table 106: S7200 IO server - Tag name convention tableThe Item Name can contain the PLC address where the value is polled, or not. If the address is also specified at topic level, the address specifiedat Tag level will be ignored.RG-001-0-EN ver 1.5 eWON® - 20/03/2009 - ©ACT'L sa Page 132
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