| SIMATIC S7 F Systems V6.4  
 
 The new version V6.4 of the SIMATIC S7 F Systems programming package is now available. You can use SIMATIC S7 F Systems incl. S7 F Systems Library to create safety-oriented user programs in SIMATIC S7 CFC up to SIL 3. The created safety programs will run on the S7-400H CPUs in singular, single-channel or fault-tolerant design with redundant CPUs
 Requirements
 The following operating systems are supported on the ES and OS
 
 MS Windows 10 Enterprise 2019 LTSC (64 Bit)
 
 MS Windows 10 Enterprise 2015 LTSB (64 Bit)
 MS Windows Server 2019 Standard Edition (64 Bit)
 MS Windows Server 2019 Datacenter Edition (64 Bit)
 MS Windows Server 2016 Standard Edition (64 Bit)
 MS Windows Server 2016 Datacenter Edition (64 Bit)
 
 In order to operate SIMATIC S7 F Systems V6.4, the following software packages must be installed
 
 Automation License Manager V6.0 SP5 Upd1 or higher
 
 PCS 7 V9.0 SP3 or higher
 
 or
 
 STEP 7 V5.6 SP2 or higher and CFC V9.0 SP4 or higher
 
 On the OS (for SIMATIC S7 F Systems HMI)
 
 PCS 7 V9.0 SP3 or higher
 
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