Communication with the redundant system S7-1500R/H
13.6 Open User Communication with the redundant system S7-1500R/H
Communication
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3. In the Inspector window, go to "Properties" > "Configuration" > "Connection parameters".
On the left-hand side you can see the S7-1500R/H redundant system as a local end point
of the connection:
– "Interface:": X1 is the preset interface.
– "Subnet:": If the interface X1 is assigned to an S7-subnet, then STEP 7 displays the
name of the S7-subnet.
– The check box "Use address of the H-system" is selected. The system IP address of
the S7-1500R/H redundant system is in "Address".
Figure 13-12 S7-1500R/H: Assigning parameters to the TSEND_C instruction in STEP 7
4. In "Partners" under "End point:" select the CPU 1516-3PN/DP as the communication
partner.
5. In "Partners" under "Interface:" select the PROFINET interface X2 of the CPU
1516-3PN/DP.
6. In "Local" under "Connection data" select the setting "<new>".
STEP 7 creates a data block for the connection data in the user program of the
S7-1500R/H redundant system, for example "PLC_1_Send_DB".
"TCP" is set by default as the connection type.
7. In "Partners" under "Connection type" select the setting "NEW".
STEP 7 creates a data block for the connection data in the user program of the other
CPU, for example "PLC_3_Receive_DB".
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