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9/28/2013 1:04 PM | |
Joined: 8/31/2010 Last visit: 9/22/2024 Posts: 1521 Rating: (227) |
Hello Abdel-Qader, You can go ahead with S7-1500 as a head PLC, as it will be an investment protection if you have plans for expansion. Whereas S7-1200 also can be used if there are no possible expansion in future and if there is a cost constrain. Have a look at existing application example for S7-1500 as head and S7-1200 as sub PLCs -Data Synchronization with S7 Communication between several S7-1200 Substations and one S7-1500/300 Head PLC 6ES5 710-8MA11 is not part of S7-1200 CPU.
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