YASKAWA VIPA System 200V Manual

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YASKAWA VIPA System 200V Manual Manual pdf 82 page image

Chapter 4 Serial communication Manual VIPA System 200V4-16 HB97E - CPU - RE_21x-2BS03 - Rev. 15/16Interface communicationThe communication happens via the following handling blocks in the OB1:No. DesignatorSFC 230 SEND Initialize a send orderSFC 236 SEND-ALL Send user dataSFC 231 RECEIVE Initialize a receive orderSFC 237 RECEIVE-ALL Receive user dataSFC 232 FETCH Initialize a fetch orderSFC 233 CONTROL Block for communication controlCycle OB1:• Create SEND and RECEIVE orders for send and receive initialization• Create SEND ALL and RECEIVE ALL orders for user data transferThe following section contains a summary of this blocks.The SEND block serves the initialization of a send order to a CP.Please regard that a send order is only executed when the followingconditions are met:• the SEND has received a RLO "1"• the bit "order in process" in the indicator word has been resetName Declaration Type DescriptionSSNR IN INT Interface numberANR IN INT Job numberIND IN INT Mode of addressingQANF IN ANY Pointer to data sourcePAFE OUT BYTE Parameterization errorANZW IN_OUT DWORD Indicator wordOverviewSFC 230 - SENDParameters

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