Detailed descriptions of interface signals
4.8 Axis / spindle-specific signals
Parameter Manual
394
Operating Instructions, 08/2013, 6FC5397-8EP40-0BA0
Signal state 0 or edge
change 1 → 0
The value of "spindle override" is used.
corresponding to ... IS"Spindle override" (DB380x DBB2003)
IS"Feedrate override" (DB380x DBB0)
IS"Override active" (DB380x DBX1.7)
Note for the reader Function Manual Basic Functions V1
DB380x
DBX2001.4
Re-synchronize spindle during positioning 1
Signal(s) to axis / spindle (PLC → NCK)
Edge evaluation: Yes Signal(s) updated: Cyclic
Signal state 1 When positioning, the spindle must be re-synchronized.
Signal state 0 or edge
change 1 → 0
No effect
Signal irrelevant for ... ... spindle modes other than the positioning mode
Application The spindle has an indirect measuring system and slip may occur between
the motor and clamp. If the signal = 1, when positioning is started, the old
reference is deleted and the zero mark is searched for again before the end
position is approached.
corresponding to ... IS "Referenced / synchronized 1" (DB390x DBX0.4)
Note for the reader Function Manual Basic Functions S1
DB380x
DBX2001.6
Invert M3/M4
Signal(s) to axis / spindle (PLC → NCK)
Edge evaluation: Yes Signal(s) updated: Cyclic
Signal state 1 or edge
change 0 → 1
The direction of rotation of the spindle motor changes for the following
functions:
• M3
• M4
• M5
• SPOS from the motion; not active for SPOS from standstill
Application The machine has a selector switch for a vertical and horizontal spindle. The
mechanical design is implemented so that for the horizontal spindle, one
more gearwheel is engaged than for the vertical spindle. The direction of
rotation must therefore be changed for the vertical spindle if the spindle is
always to rotate clockwise with M3.
Note for the reader Function Manual Basic Functions S1
DB380x
DBX2002.4
Oscillation via PLC
Signal(s) to axis / spindle (PLC → NCK)
Edge evaluation: Yes Signal(s) updated: Cyclic
Signal state 1 or edge
change 0 → 1
If the IS "Oscillation via PLC" is set, then with the IS "Oscillation speed", a
speed is output in conjunction with the IS "Setpoint direction of rotation,
clockwise and counter-clockwise).
Signal state 0 or edge
change 1 → 0
If the IS "Oscillation via the PLC" is not set, then automatic oscillation is
executed in the NCK using the IS "Oscillation speed". The two times for the
directions of rotation are entered into MD35440 and MD35450.
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