Detailed Description
2.3 Monitoring of static limits
Axis Monitoring, Protection Zones (A3)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-25
Manual operating modes
1. JOG without transformation
The machine axis stops at the software limit switch position.
2. JOG with transformation
The machine axis stops at the software limit switch position. Other machine axes
participating in the traversing motion are braked. The preset path is left during this
process.
General
• Changing of the software limit switch (1st ↔ 2nd software limit switch)
If the actual position of the machine axis after changing lies behind the software limit
switch, it is stopped with the maximum permissible acceleration.
• Overrunning the software limit switch in JOG mode
If the position of the software limit switch is reached and renewed pressing of the
traversing button should cause further travel in this direction, an alarm is displayed and
the axis is not traversed farther:
Alarm: "10621 Channel <
Channel number
> Axis <
Axis identifier
> is at hardware limit
switch <
Direction
>"
2.3.4 Working area limitation
Function
Working area limitation via setting data
The working area limitation serves to limit the traversing range of a geometry or special axis
with respect to the basic coordinate system.
The dimensions of the working area limitation are configured via immediately effective
setting data:
SD43420 $SA_WORKAREA_LIMIT_PLUS (Working area limitation plus)
SD43420 $SA_WORKAREA_LIMIT_MINUS (Working area limitation minus)
Programmable working area limitation
The working area limitation is programmable via the part program instructions G25 / G26
(lower / upper working area limitation). The programmed working area limitation has priority
over the working area limitation set in the settings data. It overwrites the value entered in the
setting date and is retained even after NC-RESET and program end.
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