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Programming the MOBY-ASM on PROFIBUS
B.1 Programming the MOBY-ASM on PROFIBUS DP-V1
Communication between ASM and PROFIBUS master
PROFIBUS-DP must be able to transfer both the cyclic (DP) and the
V1).
The master may only send new commands to the slave (MOBY-ASM) when the ASM is
ready.
to acknowledgments. The MOBY-ASM may only fetch new acknowledgments when a new
acknowledgment is actually waiting (i.e. has not yet been read). This information is also
indicated by a
Two indications are defined in the
indications to decide whether a DP-V1 telegram can be executed to or from the MOBY-ASM.
B-2
Status information
is used to indicate that the MOBY-ASM is ready. The same applies
state info
.
state info
. The PROFIBUS DP master uses these two
Function manual, Release 03/2006 , J31069-D0167-U001-A2-7618
non-cyclic data
(DP-
FC 45
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