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replace CPU

2/6/2022 5:11 PM	Rate (0)
Hassan-elias Posts: 1 Rating: (0)	Hi everyOne I have a problem in CPU S5 ( 6ES5 921-3UA12 ) Can I replace it with this one ( 6ES5 922-3UA11) ?? many thanks .
Hassan-elias Posts: 1 Rating: (0)
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2/7/2022 7:19 AM	Rate (0)
fritz Diamond Expert Joined: 10/7/2005 Last visit: 12/19/2025 Posts: 3052 Rating: (1062)	Hassan-elias I have a problem in CPU S5 ( 6ES5 921-3UA12 ) Can I replace it with this one ( 6ES5 922-3UA11) ?? Probably not as these are quite different CPU's aimed at different applications/use cases. If your S5 program is rather simple though and does not directly access the memory, it may be possible. Have a look at the CPU 921/922 manual HERE
	Cheers fritz The advice and opinion given in this thread is that of the author and does not necessarily reflect the views of I S Systems Pty Limited. To find out how I S Systems can help you with your automation needs please visit www.issystems.com.au.
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