Response To Reset And Function Abort; Block-Search Response - Siemens SINUMERIK 802D sl Function Manual

Travel to fixed stop (F1)

5.3 Response to RESET and function abort

5.3 Response to RESET and function abort
Response to Reset
During selection (fixed stop not yet reached) the function FXS can be aborted with RESET.
The termination is carried out such that an "almost achieved" fixed stop (setpoint already
beyond the fixed stop, but still within the threshold for the fixed stop detection) will not result
in damage.
This is achieved by synchronizing the position setpoint to the new actual position. As soon
as the fixed stop is reached, the function remains operative even after RESET.
Function abort
In the case of an EMERGENCY STOP, the NC and drive cannot respond, i.e. the PLC must
respond.
Make sure that after canceling the function "travel to fixed stop" by EMERGENCY STOP,
no dangerous machine situation (with MD37002 FIXED_STOP_CONTROL e.g. canceling
pulse disable) can arise.
The fixed stop monitoring function responds in the case of:
● Exit from fixed stop position by axis
● Tool breakage
● Pulse inhibit
5.4

Block-search response

Block search with calculation
No fixed stop may be approached before the target block.
Remedy: Switch off blocks with fixed stops using the script function
Block search without calculation
The commands FXS, FXST and FXSW are ignored.
80
CAUTION
Turning, Milling, Nibbling
Function Manual, 11/2012, 6FC5397-1CP10-5BA0