Travel To Fixed Stop (F1); Signals To Axis/Spindle (Db31 - Siemens SINUMERIK 840D sl Function Manual

Z1: NC/PLC interface signals

19.4 Travel to fixed stop (F1)

19.4 Travel to fixed stop (F1)
19.4.1

Signals to axis/spindle (DB31, ...)

DB31, ...
DBX1.1 Acknowledge fixed stop reached
Edge evaluation: no
Signal state 1 or Significance after the fixed stop has been reached:
edge change DB31, ... DBX62.5 (fixed stop reached) = 1
0 → 1
→ The axis presses against the fixed stop with the clamping torque:
→ The fixed stop monitoring window is activated.
→ A block change is executed.
Signal state 0 Significance after the fixed stop has been reached:
DB31, ... DBX62.5 (fixed stop reached) = 1
→ The axis presses against the fixed stop with the clamping torque.
→ The fixed stop monitoring window is activated.
→ A block change is not executed and the channel message
Edge change
"Wait: Auxiliary function acknowledgment missing" is displayed.
1 → 0
Meaning after the fixed stop has been reached:
IS "Fixed stop reached" DB31, ... DBX62.5 = 1
→ The function is aborted, the alarm "20094 axis %1 Function aborted" is output.
Significance when de-selecting the function FXS=0 via the part program:
→ The torque limiting and the monitoring of the fixed stop monitoring window are canceled.
IS irrelevant MD37060 $MA_FIXED_STOP_ACKN_MASK
for ... (monitoring PLC acknowledgments for travel to fixed stop)
= 0 or 1
Corresponding to .... MD37060 $MA_FIXED_STOP_ACKN_MASK
(monitoring PLC acknowledgments for travel to fixed stop)
DB31, ... DBX62.5 (fixed stop reached)
DB31, ...
DBX1.2 Sensor for fixed stop
Edge evaluation: no
Signal state 1 or Fixed stop is reached.
edge change
0 → 1
Signal state 0 or Fixed stop is not reached.
edge change
1 → 0
Corresponding to .... The signal is only active if:
MD37040 $MA_FIXED_STOP_BY_SENSOR = 1
1594
Signal(s) updated: cyclic
Signal(s) updated: cyclic
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Basic Functions