Parameter Manual
Operating Instructions, 08/2013, 6FC5397-8EP40-0BA0
269
Machine data
2.4 Axis-specific machine data
Description: The minimum speed of the current gear stage is configured in MD35140
$MA_GEAR_STEP_MIN_VELO_LIMIT. The minimum speed is applied only if the spin-
dle is in speed control mode. The speed setpoints generated taking the over-
ride into account do not undershoot the minimum speed.
Note:
• If an S value lower than the minimum speed is programmed, the setpoint
speed is increased to the minimum speed.
• The NC/PLC interface signal "Setpoint speed increased" is set to indicate
that the speed has been increased.
• The minimum speed entered here has no effect on the automatic gear stage
selection M40 S..
• The lower switching threshold for the automatic gear stage selectionM40
is configured in MD35120 $MA_GEAR_STEP_MIN_VELO.
Not relevant for:
• Spindle oscillation mode(gear stage change)
• Positioning and axis spindle modes
• Signals which cause the spindle to stop
Related to:
MD35130 $MA_GEAR_STEP_MAX_VELO_LIMIT (maximum speed of gear stage with speed
control)
MD35135 $MA_GEAR_STEP_PC_MAX_VELO_LIMIT (maximum speed of gear stage with
position control)
MD35010 $MA_GEAR_STEP_CHANGE_ENABLE (gear stage change is possible)
MD35110 $MA_GEAR_STEP_MAX_VELO (max. speed for automatic gear stage selection
M40)
MD35120 $MA_GEAR_STEP_MIN_VELO (min. speed for automatic gear stage selection
M40)
35140 GEAR_STEP_MIN_VELO_LIMIT A06, A11, A04 S1,V1
rev/min Minimum speed of gear stage DOUBLE NEW CONF
CTEQ
- 6 5., 5., 10., 20., 40.,
80.
0.0 - 2/2
Siemens Controls
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