Improved security and network compatibility

Improvements

Increased robustness in case of faults on Profibus DP as well as PROFINET.
(internal ref.: 26940)

Communication via UDP connections has been further optimized. The robustness in case of a faulty connection setup with TUSEND has been increased.
(internal ref.: 27104)

Online observation of variables in large networks has been improved.
(internal ref.: 27189)

Remote port can be specified for passive TCP connections. Remote port "0" is still rejected.
(internal ref.: 27209)

Further increase of robustness when calling the SFC70 with incorrect parameters.
(internal ref.: 27219)

In very rare cases, after adding an ET 200M output module using H-CiR, a momentary 1 signal could occur at the outputs of the newly added module. This behavior has been changed.
(internal ref.: 27302)

Increase in robustness for CiR charging operations.
(internal ref.: 27316, 464584)

The automation system remains available after an SZL query (SZL ID=0x19a, MAC address) on a failed device.
(internal ref.: 27344)