Abstract: A novel and improved control and supervisory system for power distribution equipment including a plurality of terminal control and/or supervisory devices each capable of controlling and/or supervising a plurality of power distribution devices in an extremely simple, high-speed and efficient manner without requiring any central control and/or supervisory unit. To such control and/or supervisory operation, no vast and full knowledge of permitted and inhibited operations of varying kinds of power distribution devices connected therewith, as well as of the control and supervisory procedures therefor, is required.

Abstract: A temperature measuring apparatus has temperature detecting means for detecting a temperature and producing a signal representative thereof, an A/D converter for converting the signal into a digital output signal, a memory for storing as temperature data the output signal of the A/D converter, read-out means for reading out corresponding temperature data from the memory and applying it to a processor, and wait means for setting a wait state by the read signal from the processor until the A/D conversion of the A/D converter is completed.