January 16, 2015 | Bretislav Valek
To establish communication with these PLC models, communication with third-party devices must be enabled. This setting is available in the TIA Portal programming software (see below).
1. Open your PLC project in TIA Portal.
2. Select the PLC in the project tree and choose the Properties command.
3. On the General page, select Protection, make sure that Full access (no protection) is chosen.
4. Finally, scroll down the page and check Permit access with PUT/GET communication from remote partner.
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