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Storage data in PLC S7-1200

Created by: bathoi at: 12/18/2011 2:01 PM (21 Replies)

6/28/2012 6:07 AM	Rate (0)
Ganes10 Platinum Member Joined: 8/31/2010 Last visit: 9/17/2024 Posts: 1521 Rating: (227)	huggy_d1 Ganes10 Hello Guys, Now S7-1200 has a new CPU - CPU 1215C which has a retentive memory of 10 KB, which can solve most of the user's problem. If we still need in the other CPUs also, then we need to wait for a while. Yes, the new S7-1200 FW3.0 versions have more memory, and more retentive memory, plus a battery backup option (as a signal board) that should hold data for up to a year if I read the documentation correctly. The S7-1215 on my desk looks ready to go solve some problems from 2 years ago. Hello huggy_d1, The retentive memory area is strored in theFlash within the CPU, which doesnot need a battery at any point in time, unlike S7-200 (which uses a super-cap). The battery board module will serve a backup to retain the RTC of the CPU, which has hardly things to do with the retentive memory. In retentive memory I foresee a bottleneck if the requirement is more than 10KB in big projects.
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8/8/2013 4:26 PM	Rate (0)
CS Moderator Moderator Joined: 9/1/2005 Last visit: 8/12/2024 Posts: 4104 Rating: (195)	New question published by Abisis split to a seperate thread with the subject Storage data in PLC S7-1200 - whenever i am having power outage i loss the data. Best regards CS Moderator
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