Model 6ES79720CB200XA0 MPI Programming / Download Cable — OptoIsolated Interface for S7200 and S7300 PLCs Key benefits Safe, reliable communication: The optoisolated interface reduces electrical interference and protects connected equipment by isolating the PLC network from the programming device during downloads and diagnostics. Direct programming and data transfer: Designed specifically for PLC programming and data transfer tasks, this cable simplifies firmware downloads, logic updates, and parameter transfers to Siemens S7200 and S7300 controllers. Reduces downtime: Stable, noiseresistant connectivity helps prevent communication errors that can slow commissioning or troubleshooting, saving time on site. What it does Provides a dedicated MPI (MultiPoint Interface) connection for programming, download, and diagnostic communication with S7200 and S7300 PLC families. Optoisolation separates signal and power paths to protect controllers and programming equipment from transient voltages and ground loops. Facilitates reliable exchange of project files, firmware updates, and runtime data between engineering tools and PLC hardware. Key attributes Model: 6ES79720CB200XA0 (as labeled) Functionality: PLC programming cable, MPI download cable, data communication for programming and diagnostics Compatibility: Siemens S7200 and S7300 PLC families (MPI interface) Interface: MPI (optically isolated) Performance: Designed for stable, lownoise communication suitable for industrial and control applications Build: Engineered for industrial use with an emphasis on reliable signal integrity and electrical protection How it helps in real situations Commissioning and firmware updates: Use the cable to download programs or firmware to S7200 and S7300 PLCs during system setup or upgrades, with optical isolation reducing risk to connected hardware. Onsite troubleshooting and diagnostics: Connect your programming device to the PLC MPI network to read diagnostics, monitor variables, and correct logic faults without exposing equipment to interference. Routine data collection and parameter changes: Transfer configuration parameters or collect process data during testing or maintenance while maintaining electrical isolation to protect instruments and control hardware. Who should use it Automation engineers and technicians who program, , or maintain Siemens S7200 and S7300 systems. Service teams performing field diagnostics, firmware updates, or parameter tuning where electrical isolation and reliable communication are important. Control system integrators needing a dedicated MPI download cable that reduces communication issues during critical operations. Usage notes Intended for MPI connections to S7200 and S7300 PLCs; ensure your programming device or interface supports MPI communications. Optoisolation improves safety and signal integrity but does not required adherence to control system grounding and safety practices. What you get A dedicated MPI programming / download cable labeled 6ES79720CB200XA0 with an optoisolated interface, ready for integration into Siemens S7 PLC programming and diagnostic workflows.