Siemens SIMATIC S7-1500 System Manual page 312
Redundant system
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Also See for SIMATIC S7-1500:
- Function manual (402 pages) ,
- System manual (393 pages) ,
- Manual (188 pages)
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Display of the IO device assignments in STEP 7
Regardless of whether an IO device is connected as system redundant or as standard IO
device ("switched S1 device") to the redundant S7-1500R/H system, the network view always
shows "Multi assigned".
The table contains all assignments of IO devices to the PROFINET interfaces of the redundant
S7-1500R/H system.
The "Operating mode" column indicates how the IO device is connected to the S7-1500R/H
redundant system:
• IO device (S2): IO device is connected system redundant.
• IO device (R1): IO device is connected system redundant.
• IO device (S1): IO device is connected over the "Switched S1 device" function.
If you want to change the operating mode of an IO device, then click on the entry and select
another operating mode.
The following figure shows how STEP 7 displays the two IO devices with system redundancy
S2 in the tabular view of the network view.
Figure 9-15
Display of the IO device assignments in STEP 7
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF
9.9 Display of the IO device assignments in STEP 7
Configuration
311
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