● Replace several RNP() functions in succession with one MRNP() function.
Replace several RDOP() functions in succession with one MRDOP() function.
Reason:
Reduces the communication load and increases the performance.
● Do not read drive parameters faster than in a 1 second cycle, slower is better.
Reason: The communication with the drives can otherwise be extremely disturbed or even
cause failures.
● Avoid successive arithmetic operations with system or user variable-connected dialog
variables. Use, for example, register (REG[x]) or (invisible) help variables for this.
Reason: Each assignment of a value results in a write operation in the connected system
or user variable.
● Similar code used in different blocks should be combined in a SUB block for reasons of
transparency, serviceability and performance (when displaying the screen). It can then be
called at the appropriate positions with the CALL() function.
● By monitoring the CPU load in the dialog line (setting in slguiconfig.xml), it is possible to
investigate the effects of changes in the screen on the performance.
Tips and tricks
B.1 General tips
SINUMERIK Integrate Run MyScreens (BE2)
300 Programming Manual, 12/2017, 6FC5397-1DP40-6BA1
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