Siemens SINUMERIK 840D

Detailed Description
2.9 Mode group, channel, program operation, reset response (K1)
Basic logic functions: NC/PLC interface signals (Z1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
95
DB21, ...
DBX33.4 Block search active
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change
0 → 1
The block search function is active.
It was selected from the operator interface screen and started using the interface signal:
DB21, ... DBX7.1 (NC start)
Signal state 0 or
edge change
1 → 0
Search target found.
Application
example(s)
The block search function makes it possible to jump to a certain block within a part program and to
start processing the part program from this block.
Additional references /FB1/ Functions Manual Basic Functions; K1 Channel, Program Operation, Reset Response
DB21, ...
DBX33.5 M02/M30 active
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change
0 → 1
• NC block with M02 or M30 (or M17 if a subroutine was started) is completely processed; if
traversing motions are also programmed in this block, the signal is only output when the target
position is reached.
• The program was interrupted as a result of a reset, and the program status changes to
"Aborted".
• When MDA mode or machine functions REF or PRESET are selected
• After DB10 DBX56.2 (acknowledge EMERGENCY STOP)
Signal state 0 or
edge change
1 → 0
• No program end or program abort
• Status after activation of control
• Start of an NC Program
Fig.
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