Siemens sinumerik 840D sl Function Manual

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Detailed description2.4 Electronic gearbox (EG)Special functions: Axis Couplings and ESR (M3)64 Function Manual, 11/2006, 6FC5397-2BP10-2BA0Synchronization for EGONSYN1. With EGONSYN(), the positions of the leading axes and the synchronization position forthe following axis are specified by the command.• The control then traverses the following axis with just the right acceleration and velocity tothe specified synchronization position so that the following axis is in position with theleading axes at its synchronization position.• If the following axis is stationary: If the "Feed stop/spindle stop" DB 31, ... DBX 4.3 is setfor the following axis, the following axis is not set in motion by EGON or EGONSYN. Atravers command is issued and block changing is blocked until the axis-specific feed isenabled. EGOSYN is topped by RESET transformed into EGON. The programmedsynchronized positions are deleted.• If the following axis is not stationary: The NST "Feed Stop/Spindle Stop" DB31, ...DBX4.3 has no direct influence on the electronic gearbox. As before, it does have anindirect effect on the leading axes, if these are located in the same channel. .• For channel specific feed enabling and for override nothing is implemented. Override stillhas no direct influence on the electronic gearbox. The axis-specific feed enable is set,depending on the current override setting.Synchronization for EGONSYNEWith EGONSYN(), the positions of the leading axes and the synchronization position for thefollowing axis are specified by the command.The control system moves the following axis to the synchronized position according to theprogram approach mode.Synchronization abort with EGONSYN and EGONSYNE1. The EGONSYN/EGONSYNE command is aborted under the following conditions andchanged to an EGON command:• RESET• Axis switches to trackingThe defined synchronization positions are ignored. Synchronous traverse monitoring stilltakes synchronized positions into account.Aborting position synchronization generates alarm 16774.The alarm may be suppressed with the following machine data:MD11410 $MN_SUPPRESS_ALARM_MASK Bit31 = 1