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Data exchange between DP master
and AS-i slave
This chapter contains the information you require to access the AS-Interface from
the DP/AS-i Link 20E from the DP master.
The chapter explains the transfer of the following:
S Binary values using the cyclic DP services
S Analog values using the acyclic DP services
2.1
Steps involved − an overview
Before putting the system into operation, the following independent steps must first
be worked through:
Write user program
with binary value
access for the DP
−> Section 2.3
For example, create a program
for an S7 CPU with a DP interface in
LAD/FBD/STL
DP/AS-Interface Link 20E
Release 08/2008
C79000-G8976-C235−01
master
Putting into
operation
Configure a DP master system,
for example in HW Config of
Configure DP master
with the DP/AS–i Link
as DP slave and AS-i
master
−> Section 1.10
Write user program
with analog value
access for the DP
master
−> Section 2.4
2
STEP 7
43
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