Specifications

167User Interface

The send (output) and the receive (input) CPU devices on the controlling CPU should be configured

with the ‘PLC Settings’ dialog. Additional refresh blocks and user areas for both the controlling and

the second QnU-CPU must be entered in the ‘Multiple CPU Settings’ dialog.

7.10.1.3 Hints for configuring multiple CPU settings and high speed memory

In general parameters for both the PN controller and the controlling QnU-CPU cannot be altered in

the ‘Multiple CPU Settings’ dialog. These parameters are calculated from the project settings of GX

Configurator-PN. In particular this means that:

1. the size of the user area and the refresh blocks is calculated from the PROFINET network confi-

guration. An additional user area for example to provide data for a Q17nNC CPU can be entered in

the property ‘Additional user area size’. This additional user area space will be added to the total