Summary DMC worked for a transportation company to upgrade their train car HVAC controllers from an outdated Simatic S5 platform to an S7-1200 PLC. DMC’s solution included new features such as an HMI panel, data logging, and exible implementation ability. Customer Benefits Improved system reliability Turnkey solution can be deployed to any number of train cars Congurable for multiple train car hardware setups Customized data logging and real-time chart displays Improved fault handling Modular code allows for rapid development of future feature additions Technologies TIA Portal SIMATIC S7-1200 PLC & ET200SP Remote I/O WinCC Comfort Panel Solution DMC’s client wanted to upgrade their train car HVAC system, which was running on Simatic S5 controllers. Due to the age of the system, many of

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