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S7-300软件升级检测工具_E软件简介： Thanks to innovative further developments, certain aspects of the system behavior of the new CPUs of the S7-300 automation platform are different to those of the predecessor S7-300 CPUs. This is reflected mainly in the revised system calls (SFCs). Using the attached " S7-300 Upgrade Check“ tool you can quickly see whether these calls are used in your PLC program running on the previous CPUs
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