Siemens SINUMERIK 840Di sl - Page 368

NC Commissioning with HMI Advanced
11.3 System data
Manual
368 Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
User-defined
The user can define different input/output units for machine and setting data.
For this there must be an adjustment between the newly selected input/output units and the
internal units via the following MD:
● MD10220 $MN_SCALING_USER_DEF_MASK (activation of standardizing factors) and
● MD10230 $MN_SCALING_FACTORS_USER_DEF[n] (standardizing factors of the
physical quantities)
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The following applies:
Selected I/O unit =
MD10230 $MN_SCALING_FACTORS_USER_DEF[n] * internal unit
The selected I/O unit, expressed in the internal units 1 mm, 1 degree and 1 s must therefore
be entered in MD10230 $MN_SCALING_FACTORS_USER_DEF[n].
Table 11-6 Bit number and index for user definition
Physical unit MD10220:
Bit number
MD10230:
Index n
Linear position 0 0
Angular position 1 1
Linear velocity 2 2
Angular velocity 3 3
Linear acceleration 4 4
Angular acceleration 5 5
Linear jerk 6 6
Angular jerk 7 7
Time 8 8