System Variables - Siemens SINUMERIK 840D sl Function Manual

F1: Travel to fixed stop
6.2 Detailed description
Default setting
The defaults for the setting data are set via the following machine data:
● Clamping torque:
● Monitoring window:
Effectiveness
The setting data for the clamping torque and monitoring window takes effect immediately. In
this way, the clamping state can be adapted to the machining situation at any time by the
operator or via the PLC user program.
References
Further detailed information on the machine and setting data can be found in:
List Manual, Detailed Machine Data Description
See also
Z1: NC/PLC interface signals (Page 1551)
6.2.7

System variables

Reference/actual state
The reference and actual state of the "travel to fixed stop" function can be read using the
following system variables:
● $AA_FXS = <value> (status, "Travel to fixed stop" reference state)
● $VA_FXS = <value> (status, "Travel to fixed stop" actual state)
<val‐
ue>
0
1
2
3
4
5
308
MD37010 $MA_FIXED_STOP_TORQUE_DEF (default clamping torque)
MD37020 $MA_FIXED_STOP_WINDOW_DEF (default monitoring window)
Description
Axis is not at fixed stop
Fixed stop was successfully approached
Approach to fixed stop failed
Selection "Travel to fixed stop" is active.
Fixed stop was detected.
Travel to fixed stop deselection active
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Basic Functions