Siemens SINUMERIK 840Di Function Manual page 585

Note
In the current ASUB, level:
DB21, ... DBX31.4 (REPOSMODEEDGE)
does not affect the final REPOS, unless this signal applies to the REPOS blocks.
In Case A, the signal is only allowed in the stopped state.
Response to RESET:
NCK has acknowledged the PLC signal
If the level of signals:
DB21, ... DBX31.4 (REPOSMODEEDGE) = 1
and
DB21, ... DBX319.0 (REPOSMODEEDGEACKN) = 1
and a RESET occurs in this situation, the NCK cancels interface signal:
DB21, ... DBX319.1–319.3 (Repos Path Mode Ackn0-2).
NCK has not yet acknowledged the PLC signal:
If the level of the signals:
DB21, ... DBX31. (REPOSMODEEDGE 4) = 1
and
DB21, ... DBX319.0 (REPOSMODEEDGEACKN) = 0
and a RESET occurs in this situation, the NCK cancels interface signal:
DB21, ... DBX319.0 (REPOSMODEEDGEACKN) = 0
and
DB21, ... DBX319.1–319.3 (Repos Path Mode Ackn0–2).
Controlling SERUPRO approach with VDI signals
The SERUPRO approach can be used with:
DB21, ... DBX31.4 (REPOSMODEEDGE)
and the associated signals in the following phases:
• Between "Search target found" and "Start SERUPRO ASUB"
• From "SERUPO-ASUB stops automatically before REPOS" to "Target block is executed"
While the SERUPRO ASUB is being executed, e.g., in the program section before the
REPOS operation,
interface signal:
DB21, ... DBX31.4 (REPOSMODEEDGE)
does not affect the SERUPRO approach.
Mode Group, Channel, Program Operation, Reset Response (K1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Detailed Description
2.6 Block search Type 5 SERUPRO
2-49