Chapter 3. CPU Configuration110 PACSystems* RX7i, RX3i and RSTi-EP CPU Reference Manual GFK-2222AD3.1 Configuring the CPUTo configure the CPU using the Logic Developer-PLC programming software, do the following:1. In the Project tab of the Navigator, expand yourPACSystems Target, the hardware configuration, and themain rack (Rack 0).2. Right click the CPU slot and choose Configure. TheParameter Editor window displays the CPU parameters.Note: An RX7i CPU must be installed in Rack 0, Slot 1. Adouble-wide RX3i CPU occupies two slots and canbe installed in any pair of slots in Rack 0 exceptthe two highest numbered lots in the rack. Thesingle-wide CPE302/CPE305 RX3i CPU requiresone slot and can be installed in any slot in RX3iRack 0, except the highest numbered slot or slot0.3. To edit a parameter value, click the desired tab, thenclick in the appropriate Values field. For information onthese fields, refer to Configuration Parameters.4. Store the configuration to the Controller so thesesettings can take effect. For details, see Storing(Downloading) Hardware Configuration.Note: If available, the embedded Ethernet Interface is displayed in a sub-slot of the CPU. Forconfiguration details, refer to Configuring the Embedded Ethernet Interface.Figure 36: PME Expansion of PACSystemsTarget