Rexroth Tightening System 350 System Documentation - Rhino ...

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104/316 Bosch Rexroth AG | Tightening Technology 7 Data Services7.2 Ethernet communicationThe actual end of the tightening is signaled by a change in the evaluation signals (CH x.y OK,CH x.y NOK) from L to H.The tightening cycle is ended (PLC signal CH x.y CyCmp) after the results have been prepared andsaved in mass storage.The data transfer takes place independently from the tightening sequence.NoteThe results reset (PLC signal CH x.y ResRs) on the controller does not invalidate or delete the resultsdata that are still in the mass storage, waiting to be transferred. Rather, they are still transferred to the FTPserver.Results transfer before sequence end(1)(A)(2) (3)(B)Ch x.y CwCh x.y InCyCh x.y CyCmpCh x.y OkHLHLHLHLFigure 7–11:Chronological sequence for preparing and transferring tightening results from a a single-channel tightening via the FTPprotocolt(A)Tightening(B)Transfer via FTPCH x.y Cw StartCH x.y InCy Tightening activeCH x.y CyCmp Sequence endCH x.y OK Evaluation(1) Cycle(2) Sequence(3) Result preparationHere, the actual end of the tightening process is also signaled by the evaluation signals (CH x.y OK,CH x.y NOK) switching from L to H. At this point, the nutrunner may be removed from the processed component.The tightening cycle is ended (PLC signal Ch x.y CyCmp) after the results have been prepared (bufferingon the controller). Results output via FTP is then started by the Compact System.System 350 | 3 608 878 040/05.2008
7 Data Services Tightening Technology | Bosch Rexroth AG 105/3167.2 Ethernet communicationNoteResults output is not always completed after a sequence end for single-channel tightenings.If it is not possible to open a connection within the time frame, the PLC signal FtpF will be set. In contrastto multiple session transfer, in a single session an FTP channel is opened and the transfer performed. Ifno session is available, an attempt will still be made to open the connection during the set time frame(timeout).System 350 | 3 608 878 040/05.2008
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Bosch Rexroth AGElectric Drives and
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