Method for operating a process controller

摘要

When accessing slow process elements (PB), the clock frequency of a processing clock (T) for a microprocessor (CPU) is temporarily lowered. This is initiated either by the process element (PB) or by an address detection circuit of the microprocessor (CPU). The processing clock (T<*>) with lower frequency is obtained from the processing clock (T) via a divider (Tx). <IMAGE>