Downloading Programs to a Siemens PLC and HMI Using TIA Portal, SD Cards, or USBs

Siemens HMI and PLC programs can be developed in a single software application: TIA Portal. TIA Portal requires a license that most program developers/OEMs have but can be cost-prohibitive for many users. If you don’t have access to TIA Portal, it is practical to use SD cards/USB devices to download programs to the PLC and HMI. 

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