Siemens SIMATIC IM 151/CPU - Data Transfer with the DP Master

Addressing
2-5
ET 200S Interface Module IM 151/CPU
A5E00058783-01
2.3 Data Transfer with the DP Master
User Data Transfer Via an Intermediate Memory
The user data is located in an intermediate memory in the IM 151/CPU. This
intermediate memory is always used when user data is transferred between the
IM 151/CPU and the DP master. The intermediate memory consists of a maximum
of 32 address areas.
Intermediate memory
PROFIBUS-DP
ET 200S as DP slaveDP master
I/O modules
IM 151/CPU


 Data transfer between DP master and the ET 200S via an intermediate memory in the IM 151/CPU
 Data transfer between the IM 151/CPU and I/O modules
Figure 2-5 Principles of Data Transfer Between the DP Master and the ET 200S with the IM 151/CPU