Siemens SINUMERIK 828D Function Manual page 1722

Z1: NC/PLC interface signals
19.12 Feeds (V1)
DB21, ...
DBB5 Rapid traverse override
Signal state 1 or
edge change
0 → 1
The factors listed in the table for the rapid traverse override are stored in the machine data:
MD12050 $MN_OVR_FACTOR_RAPID_TRA[n].
The table contains the default settings.
The number of possible switch settings for standard machine panels is described in the
Configuration Guides for SINUMERIK 840D.
Corresponding to .... DB21, ... DBX6.6 (rapid traverse override active)
MD12050 $MN_OVR_FACTOR_RAPID_TRA[n] (evaluation of the path feed rate override switch)
MD12100 $MN_OVR_FACTOR_LIMIT_BIN (limit for binary coded override switch)
1722
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Basic Functions