Maintenance
11.1 Replacing components of the S7-1500R/H redundant system
S7-1500R/H redundant system
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System Manual, 10/2018, A5E41814787-AA
Checking pairing state
You have the following options for checking the pairing state:
●
Directly from the display of the backup CPU.
In the "Overview > Redundancy > Pairing state" menu:
–
Paired
–
Single paired (X*P*)
–
Not paired
–
Not paired - Too many partners
–
Not paired - Article ID mismatch
–
Not paired - Firmware mismatch
Primary CPU
Backup CPU
Example: Paired
Summary of Contents for Simatic S7-1500H
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