Unidrive M SI-PROFIBUS User Guide 51
Issue Number: 3
Safety
information
Introduction
Mechanical
installation
Electrical
installation
Getting
started
Parameters
GSD
Files
Cyclic
data
Non-cyclic
data
Control and
status words
Diagnostics
PROFIdrive
profile (V4)
Advanced
features
Legacy
features
Glossary of
terms
Index
8.6 Disabling mappings
Any unused mapping parameters (Pr S.02.001 to Pr S.02.032 and Pr S.03.001 to
Pr S.03.032) should be set to 0.
8.7 Master configuration
The SI-PROFIBUS mapping parameters can be automatically configured by the master
controller. If Pr S.01.008 is set to Auto, then the Input cyclic words (Pr S.01.020), Output
cyclic words (Pr S.01.021), Input source mappings (Pr S.02.ppp) and Output
destination mappings (Pr S.03.ppp) will be set by the master controller using the
parameter information specified for the cyclic configuration.
The Data alignment (Pr S.01.014) can also be set automatically by the master controller
by enabling the BitControl property of the slave device and setting the required
alignment value (16BIT or 32BIT) in the network configuration.
If there is no master controller connected to the module, Pr S.01.006 will indicate
"Initialization" (1).
Having unmapped channels between valid mapped channels is not permitted and will
result in a configuration error (i.e. Pr S.01.006 will indicate “First Failure” or “Second
Failure”).
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