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6GK7443-1GX20-0XE0 is identified by Siemens as a Communication Processor within the Simatic S7 family.
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. The documented module assignment should remain the basis for selection.
Within an S7 installation, the exact hardware order number determines supported interfaces and configuration behavior. System and software compatibility should be checked before replacement. Maintenance planning should reference the installed hardware configuration.
In the signal path, this approach helps preserve the intended system function while keeping selection aligned with the documented ratings, capacity, and compatibility requirements. Configuration records should be reconciled with the exact installed assembly.
SIEMENS SIMATIC S7-400 communications processor CP 443-1 advanced for connection from SIMATIC S7-400 CPU to Industrial Ethernet: PROFINET IO Controller with RT and IRT MRP, PROFINET CBA, TCP/IP, ISO, UDP.
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- Brent M., United States"James is the BEST! He makes sure all your questions are answered and that you're happy with your order before it's shipped. My part arrived right on time...."
- Katie, United States"Frank, we are very happy with your service. Our test mechanic has checked the controllers, they all are good!"
- Tony N., United States"DCS CENTER Really saved the day! I had the parts I needed in my hands the day after ordering ( I'm in Toronto Canada ). I highly recommend..."
- Steven T., United States"Hey Frank, thank you for your great service and competitive pricing. We will definitely be using you again in the future."
- Patrick O., United States"Frank, you're a Rock Star! Thank you for the quick response, and great customer service, very refreshing these days! Great pricing"
- Charles, Ontario, CanadaDCS Center sells new surplus and reconditioned products. This website is not sanctioned or approved by any manufacturer or tradename listed. DCS Center is not an authorized distributor or representative for the listed manufacturers. Designated trademarks, brand names and brands appearing herein are the property of their respective owners.
Keep your operation moving with fast access to the DCS and PLC components you need. Whether you are searching for a hard-to-find part, need a repair, or want help identifying the right replacement, DCS Center is here to simplify the process and minimize downtime.
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