Siemens sinumerik 840D sl Function Manual

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Contents

Detailed description2.7 Extended stop and retract (ESR)Special functions: Axis Couplings and ESR (M3)Function Manual, 11/2006, 6FC5397-2BP10-2BA0 1532.7.14 Control system responsePOWER OFF/POWER ONIf the retraction logic is stored in motion synchronous actions, it is not yet active on POWERON. Static synchronous actions that are required to be active immediately after POWER ONmust be activated within an ASUB started by the PLC. If drive-independent stop or retracthas been triggered, the drive software requires a subsequent POWER OFF/POWER ON.In SW 6 and higher, the "Event-controlled program calls" function may be used instead ofASUB.Mode change, NC StopFor logic operations static synchronous actions can be used (keyword IDS). They are notaffected by a mode change or a NC STOP/RESET.Positioning of a command axis/spindle is aborted with channel stop.ESR is available in AUTO, JOG and MDA modes.ResetStatic synchronous actions are retained after a RESET.On RESET, the values programmed for POLF and activation by POLFMASK are not deleted.Part program startOn start of the parts program, the values programmed for POLF and activation byPOLFMASK are deleted.The reason for resetting the programmed values POLF/POLFMASK is to force the ESR user(just as other users of the lift fast function) to explicitly program the matching retractionposition for each workpiece programmed in each part program, rather than trust that asuitable retract position has been stored in a previous machining process.