NC Commissioning with HMI Advanced
11.5 Axes and spindles
Manual
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
425
Working area limitation
The permissible working area of the machine axes can be adapted to the particular
machining situation using the "dynamic" working area limitation.
● SD43400 $SA_WORKAREA_PLUS_ENABLE (Working area limitation active in the
positive direction)
● SD43410 $SA_WORKAREA_MINUS_ENABLE (Working area limitation active in the
negative direction)
● SD43420 $SA_WORKAREA_LIMIT_PLUS (Working area limitation plus)
● SD43430 $SA_WORKAREA_LIMIT_MINUS (Working area limitation minus)
● Alarm "10630 Axis reaching operating range limit +/-"
● Alarm "10631 Axis is at operating range limit +/- (JOG)"
● Alarm "10730 Progr. end point is behind working area limitation +/-"
Software limit switches
Two software limit switch pairs are provided per machine axis. The active software limit
switch pair is selected in the PLC.
● MD36100 $MA_POS_LIMIT_MINUS (1st software limit switch minus)
● MD36110 $MA_POS_LIMIT_PLUS (1st software limit switch plus)
● MD36120 $MA_POS_LIMIT_MINUS2 (2nd software limit switch minus)
● MD36130 $MA_POS_LIMIT_PLUS2 (2nd software limit switch plus)
● IS DB31,... DBX12.2 (2nd software limit switch minus)
● IS DB31,... DBX12.3 (2nd software limit switch plus)
● Alarm "10620 Axis reaching software limit switch +/-"
● Alarm "10621 Axis is at software limit switch +/- (JOG)"
● Alarm "10720 Progr. end point is behind software limit switch +/-"
NOTICE
All position monitoring functions are only active with valid reference point of the
corresponding reference point of the machine axis.
Hardware limit switches
If the PLC signals that a hardware limit switch has been reached, the machine axis is
stopped with the parameterized brake response.
● IS DB31, ... DBX12.1 (Hardware limit switch plus)
● IS DB31, ... DBX12.0 (Hardware limit switch minus)
● MD36600 $MA_BRAKE_MODE_CHOICE (Braking behavior on hardware limit switch)
0 = Brake characteristic is complied with
1 = Rapid deceleration with setpoint "0"
● Alarm "21614 Hardware limit switch [+/-]"
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