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Need Compatible Device for S7-300, CPU 315-2DP system in S7-1500 systems

2/18/2025 7:38 AM	Rate (0)
ShreyasM Joined: 8/14/2024 Last visit: 7/29/2025 Posts: 20 Rating: (0)	Hello Everyone, We are planning to upgrade an existing system from the S7-300 Main & Redundant PLC to an equivalent S7-1500 PLC system. The current setup includes ET200M as the IM module. Please suggest a suitable S7-1500 CPU and IM module within the S7-1500 architecture. Thank you all!

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2/18/2025 8:23 AM	Rate (0)
Towome Platinum Expert Joined: 7/9/2015 Last visit: 1/7/2026 Posts: 4493 Rating: (644)	Hi, I don't want to recommend a CPU configuration to you if I don't know your exact use case. I think you're in the best hands with the Siemens Presales technical support team, who will recommend suitable hardware for your application. Regards,Towome
	Last edited by: Towome at: 02/18/2025 08:23:49 If my post was useful, please rate me - if not, please tell me - thank you!
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This contribution was helpful to 2 thankful Users BigMek ShreyasM

2/18/2025 8:29 AM	Rate (0)
BigMek Joined: 7/24/2024 Last visit: 12/22/2025 Posts: 75 Rating: (18)	Hi, in the Migration Guide you can find a list (PDF) of possible replacements: Migration Guide: SIMATIC S7-300/400 to SIMATIC S7-1500 But since these are also only suggestions for reference, you should probably still ask the Siemens technical consulting.

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This contribution was helpful to 1 thankful Users ShreyasM

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