Siemens SINUMERIK 840D sl Function Manual page 1624

Z1: NC/PLC interface signals
19.6 Mode group, channel, program operation, reset response (K1)
DB21, ...
DBX319.0 Acknowledgement of the REPOS mode change
Edge evaluation: Yes
Edge change The interface signal detected by the NC:
0 → 1 DB21, ... DBX31.4 (REPOS mode change)
is acknowledged with the existing interface signal, if the requested REPOS mode:
DB21, ... DBX31.0-2 (REPOS mode)
and the delay signal:
DB31, ... DBX10.0 (REPOSDELAY)
are taken over in the NC.
The signal states refer to the current main run block
Edge change SERUPRO-ASUB stops automatically before REPOS and DB21, ... DBX31.4 (REPOS mode change)
1 → 0 does not affect the SERUPRO approach.
Corresponding to ... DB21, ... DBX31.4 (REPOS mode-change)
DB21, ...
DBX319.1 - Active REPOS mode (A, B, C)
DBX319.3
Edge evaluation: No
Meaning The active REPOS mode is displayed with the interface signals A, B and C.
1624
Signal(s) updated: Cyclically
Signal(s) updated: Cyclically
Active REPOS mode
0 = no REPOS mode active
1 = repositioning to block start point RMBBL
2 = repositioning to interruption point RMIBL
3 = repositioning to block end point RMEBL
4 = repositioning to nearest path point RMNBL
C
0
0
0
0
1
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
B A
0 0
0 1
1 0
1 1
0 0
Basic Functions