Configuring Hardware and Communication Connections STEP 7.pdf

Example of an Address Assignment for User Data
Example
address from
the view of
the DP Slave
Previously the assignment of "virtual" slots was as follows.
Significance
(for DP Slave)
Slot
(not visible when
configuring)
Configuring the Distributed I/O (DP)
Significance
(for DP Master)
E 2 Reading via input byte 2
0
1
2
3
4 ... what the Master A 4
that ...
wrote into output byte
4.
A 5 What was written to
5 ... can be read in the E 6
output byte 5 in the Slave
...
Master as input byte 6.
E 8 ... 6
...
35
... A 8
Example
address from
the view of the
DP Master
Tip: the slot assignment is displayed in the address overview of the Master CPU or
Slave CPU.
Slots and Addresses for System Information
Addresses for system information are used, for example, to handle diagnostic
information or information on operating state transitions.
Configuring Hardware and Communication Connections with STEP 7
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