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For Simatic S7 system applications, Siemens 6GK7443-5DX04-0XE0 provides the function of a Communication Processor.
For replacement planning, controller hardware forms a central decision-making element in the system, processing configured logic and exchanging information with I/O, operator, and communication components as supported by the installed platform. Connection and configuration should follow the requirements of the platform.
Within an S7 installation, the exact hardware order number determines supported interfaces and configuration behavior. System and software compatibility should be checked before replacement. The documented module assignment should remain the basis for selection.
Country of origin is listed as Germany.
In the signal path, this approach helps preserve the intended system function while keeping selection aligned with the documented ratings, capacity, and compatibility requirements. Final selection should be based on the plant's controlled-equipment records.
SIEMENS communications processor CP 443-5 Extended for connection of SIMATIC S7-400 to PROFIBUS DP, S5-compatible, PG/OP and S7 communication
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