U-08B | Siemens 8 Slot Base

For 16-slot and 8-slot bases, follow these steps (Upgrade Path B):1. Remove the existing control device(s): the CPU and IOCC (if an IOCCis present), or the DBC.2. Install a PPX:500–5840 adapter base. See user manual PPX:500–8140for information about installing the adapter base.3. Install an AC (PPX:500–2151A) or DC (PPX:500–2153) power supply inslot B of the adapter base. Slot A is left empty. These steps finish the upgrade for both upgrade paths, A and B1. Install an RBC (PPX:500–5114–A) in the controller slot. SeeSection C.5 for information about installing the RBC.2. Set the base address (1–15), using the thumbwheel on the RBC. Basenumber 0 is reserved for the local base and cannot be used for an RBC.3. Connect the twin axial cable to the RS-485 port on the RBC(s) and tothe remote I/O port of the 545/555/575 CPU.4. Use APT or TISOFT to set the I/O configuration for the upgrade