| 摘要 |
PURPOSE:To use the equipment of the same constitution as a sub supervisory control equipment by providing an address setting switch setting its own device address freely to the sub supervisory control equipment. CONSTITUTION:The address setting switch 5 setting freely the its own device address is provided to the sub supervisory control equipments 2a-2d. For example, four dip switches Sa-Sd corresponding respectively to, for example sub supervisory equipment controllers 2a-2d are used to form the address setting switch 5 and the sub supervisory controllers 2a-2d are formed by a decode circuit 20 and an arithmetic processing circuit 21 to form the same circuit constitution and external appearance. Thus, the cost of the sub supervisory control equipment is reduced, the commodity management is easily executed and shipment mistake hardly takes place.
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