Simatic S5 Revival and Conversion to S7 Simatic Step5 Simatic S5 ConverterSimatic S5 Converter Filepath Summary DMC was hired by a transportation company to revive six malfunctioning S5-100U PLCs that are used to control HVAC systems. Customer Benefits • Able to continue using 20+ year old equipment to control their HVAC systems while gradually replacing the hardware with newer S7 hardware • DMC provided local support, resulting in minimal downtime due to hardware malfunctions Technologies • Siemens S7 PLC • Siemens S5 PLC • Windows 98 • Simatic STEP5 • SIMATIC Manager – S5 Converter Tool Solution DMC found corrupted EPROM cards to be the source of the PLC malfunction. DMC connected to a functioning PLC using Simatic STEP5 running on a Windows 98 computer. They uploaded the function

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