Maintenance
11.1 Replacing components of the S7-1500R/H redundant system
S7-1500R/H redundant system
System Manual, 10/2018, A5E41814787-AA
265
11.1.4
Replacing defective PROFINET cables
Initial situation
The PROFINET ring has been interrupted at any given point. The MAINT LEDs on both
CPUs are yellow. The following is shown on the S7-1500R display: Single pairing with
information on interface and port.
The S7-1500R/H redundant system is in the RUN-Redundant system state.
Procedure: Replacing the PROFINET cable
Proceed as follows to replace the defective PROFINET cable:
1.
Check the X1 P1/X1 P2 LEDs on the primary and backup CPU. LEDs that are off indicate
an interruption to the PROFINET ring.
2.
Locate the defective PROFINET cable in the PROFINET ring.
3.
Replace the defective PROFINET cable.
Result
The defective PROFINET cable has been replaced.
The X1 P1/X1 P2 LEDs on the primary and backup CPU are yellow. The MAINT LEDs on
both CPUs are off.
Содержание Simatic S7-1500H
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