Nidec SI-Interbus 500 kBd User Manual
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Contents
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SI-INTERBUS User Guide 85Issue Number: 1Safetyinformation Introduction SupportedfeaturesMechanicalinstallationElectricalinstallationGettingstartedAdditionalfeaturesNon-CyclicdataVirtualmenusSI-ApplicationsparametersControl /status word DiagnosticsSingle line setupparameterdescriptionsFull parameterdescriptionsCMD toolsupport filesGlossaryof terms16 Glossary of termsAddress: This is the unique network identification given to a networked device to allowcommunication on a network. When a device sends or receives data the address isused to determine the source and the destination of the message.Bit: A binary digit, this may have the value of 1 or 0.Block mapping: A method of mapping a range of consecutive parameters using onlytwo ascending parameters. This means that by using two mapping parameters, up to10 consecutive mappings may be made.Byte: A collection of 8 binary digits that collectively store a value. This may be signed orunsigned.Compression: By default SI-INTERBUS transmits values as 32-bits on the network.It is possible by using compression to reduce the number of bits transmitted whensending 16-bit (or smaller) values on the network to 16-bit (32-bit values will still betransmitted as 32-bit values). This has the advantage of reducing the volume of trafficon the network and allowing more parameters to be mapped within SI-INTERBUS.Control word: A collection of binary digits that are used to control the drive. Featurestypically include directional controls, run controls and other similar functions.Cyclic data: This consists of values that are sent at regular or cyclic intervals across thenetwork. A typical use of cyclic data would be the transmission of a speed reference or acontrol word.Data format: Determines the quantity and function of the data sent and received acrossthe network.Data rate: Determines the communication speed of the network, the higher the valuethe more data can be sent across the network in the same time period.Device: A piece of equipment connected to a network, this may be any type ofequipment including repeaters, hubs, masters or slaves.Direct data mapping: Data is sent directly to the mapping parameters in the driverather than the parameters redirecting the data to another parameter.INTERBUS CMD tool: The CMD tool is the software package used to configure anddiagnose the INTERBUS master controllers.Mapping: The process of linking INTERBUS values to parameters within the drive.Master: The controlling device on the network, generally this will include programmingfeatures.Mode 1 - CT single word mode: A method of sending non-cyclic data using a singleword on a cyclic channel. |
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