S7 Channel Diagnostic

The S7 Channel Diagnostic provides additional diagnostic information for the connections of the S7 Plus driver. The information is stored on the internal data point element _7PlusConnection.State.Diagnostics

Figure 1. S7 Channel Diagnostic Tab
Note: One subscription usually contains several attributes. For creating a subscription it is necessary that we have a free subscription and more or equal free subscription attributes, as attributes are contained in the subscription to create.

The Diagnostic values are stored within the internal data point element State.Diagnostic.

Note: The option Free HMI Connections shows the amount of free connections that are reserved for communication with the HMI. Depending on the PLC unreserved connections can be used additionally.