Detailed Description
2.6 Spindle monitoring
Spindles (S1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-77
2.6.2 Axis/spindle stationary (n < n min)
Spindle monitoring with stationary axis/spindle
Only if the axis/spindle is stationary, i.e., the actual spindle speed falls below a specifiable
value in machine data:
MD36060 $MA_STANDSTILL_VELO_TOL (maximum velocity/speed "Axis/spindle
stationary")
and no longer generates any setpoints, is it possible to perform certain functions on the
machine, such as tool change, open machine doors, path feed enable, etc.
If the spindle is stationary,
• NC/PLC IS:
DB31, ... DBX61.4 (axis/spindle stationary)
is set to 1.
• The next machining block is released
and machine data:
MD35510 $MA_SPIND_STOPPED_AT_IPO_START
is set to 0.
Exception:
MD35510 $MA_SPIND_STOPPED_AT_IPO_START =1
Path interpolation is not influenced, the traveled path axis is not stopped.
Monitoring is effective in all spindle modes and in axis mode.
2.6.3 Spindle in setpoint range
Function
"Spindle in setpoint range" spindle monitoring checks whether:
• The programmed spindle speed is reached.
• The spindle is stationary (NC/PLC IS:
DB31, ... DBX61.4 (axis/spindle stationary)).
• The spindle is still in the acceleration or deceleration phase.
In spindle control mode, the setpoint speed
(programmed speed ∗ spindle offset including active limitations)
is compared with the actual speed.
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