Single-point control circuit module with interlocking protection analog quantity signal for preventing false triggering

A computer control system (DCS) is a standard configuration for control of various industrial production projects, a manufacturer of the computer control system develops various function control modules suitable for control of the production projects in design, and the switch module device involved in the patent of the utility model is characterized in that in the actual operation process of production, the switch module device can be used for controlling the industrial production projects. The single-point control circuit module with interlocking protection analog quantity signal false triggering prevention is developed aiming at some problems existing in individual specific control, and is particularly suitable for a single-point measurement analog quantity signal loop of an auxiliary machine system. The temperature of three main fan bearings of a boiler, the temperature of a coal mill bearing, the temperature of a steam turbine circulating pump bearing, the temperature of a condensate pump bearing, the tem