5/18/2016 10:30 PM | |
Posts: 5225 Rating: (1185)
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Hi. [1] Swapping on unit out for another in the S7-1200 user program is not possible. Can communication reach all 35 units - YES! Changing the strategy you can have the S7-1200 connect to x7 LOGOs. Each of the 7 LOGOs can each in turn connect to 4 other LOGOs. So information from the S7-1200 is passed on through the line. BUT the success of this strategy depends on what you want to send from S7-1200 to the group. This idea is not for master-slave / cycle-by-cycle control. It should be more about updating information than the flow of "bits". So you will have to implement distributed control where each unit has full control over its own environment. The groupings will also be dictated on which units need to work as a group. [2] I doubt a ring is going to work. The use of multiple switches (not hubs!) will be needed. You will probably have a tree-star connection. [3] For further inspiration look at .. Do these notes help you? Regards & Good luck. |
Last edited by: William_B at: 5/19/2016 8:28:37 AMAcknowledgement: The link provided for LOGO was given first by ixo65. |
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