Siemens SINUMERIK 840D sl Function Manual

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NC/PLC Interface Signals (Z2)Manual and handwheel travelExtended FunctionsFunction Manual, 03/2009, 6FC5397-1BP10-4BA0 1087DB31, ...DBB64Bit 5, 4 Plus and minus traversing requestEdge evaluation: no Signal(s) updated: CyclicallySignal state 1 oredge change 0 → 1A traverse movement of the axis is to be executed in one or the other direction. Depending on themode selected, the command is triggered in different ways:• JOG mode:With the plus or minus traverse key.• REF mode:With the traverse key that takes the axis to the reference point.• AUT/MDA mode:A program block containing a coordinate value for the axis in question is executed.Signal state 0 oredge change 1 → 0A travel command in the relevant axis direction has not been given or a traverse movement hasbeen completed.• JOG mode:The travel command is reset depending on the current setting "jog or continuous mode" (seeinterface signal DB31, ... DBX4.7 or DBX4.6).While traversing with the handwheel.• REF mode:When the reference point is reached.• AUT/MDA mode:The program block has been executed (and the next block does not contain any coordinatevalues for the axis in question).Cancel by "RESET", etc.DB21, … DBX25.7 (axes disable) is active.Applicationexample(s)To release clamping of axes with clamping (e.g. on a rotary table).Note:If the clamping is not released until the travel command is given, these axes cannot be operatedunder continuous path control!Corresponding to .... DB31, ... DBX4.7 and/or DBX4.6 (traversing key plus and traversing key minus)DB31, ... DBX64.7 and/or DBX64.6 (Travel command plus and minus)