Data descriptions
10
10.1 NC tags
10.1.1 Overview
Safety-relevant NC variables (OPI) are available in the Safety Integrated mode; to a large
extent, these are mapped using SIC signals.
Table 10-1 Safety-relevant NC variables available
Block index Name Meaning
S 183 aStopesi Actual Safety Integrated Stop E for any axis.
SEMA 214 vaStopSi Safety Integrated stop.
SEMA 119 safeDesVeloLimit Effective speed setpoint limit in the NC. This is ob‐
tained from a speed setpoint limit in the drive and a
(possibly) active speed setpoint limit in the NC.
SEMA 277 safeAxisType Type of axis-specific safety monitoring functions
(safety axis operating mode).
S 358 safeMode Configured Safety Integrated operating mode.
Further information
You can find additional information about SINUMERIK NC variables in the:
(840D sl) List Manual NC Variables (https://support.industry.siemens.com/cs/ww/en/view/
109769139)
Safety Integrated (with SINAMICS S120)
Commissioning Manual, 02/2020, A5E46305916B AB 351
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