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S7-300 and S7-400 CPUs

For S7-300 and S7-400 CPUs no particular configuration is required.

It has also been successfully tested with the Hilscher Netlink NL50 profibus converter.

S7-1200 and S7-1500 CPUs

For S7-1200 and S7-1500 CPUs it is necessary to ensure these conditions:

  • Optimized access to the blocks (DB) of interest must be disabled

    Block access

  • The access level must be 'full' and GET/PUT requests must be enabled:

    Access level