Siemens SINUMERIK 840D sl Programming Manual page 20

General
1.3 Behavior on block search, dry run, program testing, simulation
Excessive values of _MC_SIMDIFF with corresponding value assignment of the defining
parameters cause cycle alarms to be output.
Note
It is not ensured that the correction value contains the correct sign of _MC_SIMDIFF. This
depends on the measurement or calibration task and the direction of measurement. The sign
is influenced in such a way that the overall result makes sense (e.g. "Measure hole").
Changing the sign always causes the sign of the result to change.
Demo program for simulation on HMI Advanced
The measuring cycle software supplied includes programs for demonstrating how the
measuring cycles work when simulating on HMI Advanced. The programs are divided into
turning technology and milling technology. When a program is loaded, the "workpieces" are
created whose directory contains all data and settings required for simulation.
Example 1: Measure hole (TESIM_977BO with CYCLE977, milling technology)
1-4
Programming Manual, Release 04/2006, 6FC5398-4BP10-0BA0
Measuring cycles