March 14, 2022

#131 - Siemens Safety PLC configuration

Some points regarding Siemens Safety PLC configuration:

Protection and Security of the F-CPU: > Protection of confidential PLC configuration data: Disabled > Access Level: Password on Fail Safe and on Full access> Connection mechanisms: Permit PUT/GET: Enabled Only allow secure PG/PC and HMI: Disabled

Safety Administration of the F-CPU: > Cyclic OB123 (cycle time, priority) > F-Signature (collective, SW, HW) > F-FB calls, F-Data Types > Access protection: Set Password

Default Fail-Safe Monitoring Times: > F-CPU:         Software OB: 100ms        Hardware F-I/O: 150ms > F-I/O: 150ms (set by F-CPU HW) > PROFIsafe: 150ms (set by F-CPU HW) > F-G120/G120C: 500ms (F-DI Discrepancy time STO)

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