Function-extension:
With PLC Designer V4, several PLC
Designer clients can log in to the same controller. To do this, each PLC
Designer client must have the same project loaded with the download information
(e.g. by opening a project archive). When logging in, PLC
Designer checks whether another PLC Designer is already connected to the controller.
If this is the case, PLC Designer displays the following message:

After confirming the message, the PLC Designer switches to read-only mode. This means that the variable values in the application can be
can be monitored. Write commands (such as an online change, force of
variables,...), start or stop cannot be executed.
Included in the following products:
PLC Designer V4.0
Controller c430 V1.13
Controller c5xx V1.13
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