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The Phoenix Contact IBS S7‑400 DSC/I‑T is an industrial‑grade INTERBUS controller board designed to seamlessly integrate into Siemens SIMATIC S7‑400 PLC automation systems to enable high‑performance fieldbus communication and distributed I/O control.
This controller board implements the INTERBUS Generation 4 protocol (EN 50254), allowing the S7‑400 CPU to communicate with remote bus devices across long distances and through complex machine networks.
With support for up to 254 remote bus devices, 16 device levels, and a total of up to 512 devices and 4096 I/O points, the DSC/I‑T provides flexibility for large‑scale automation architectures.
It offers synchronous operation with the S7‑400 control system, comprehensive system diagnostics, data preprocessing on the controller board, and user‑defined addressing, simplifying both configuration and runtime performance.





