【摘要】 设计一种基于PLC的家居安防系统,系统以西门子S7-200 PLC为控制核心,硬件上通过MQ-2传感器等实现对室内各种参数的采集,实现对灭火和关煤气电磁阀的控制及报警等功能;软件上采用西门子PLC编程软件STEP 7-Micro WIN编制了家居安防控制系统程序。系统具有可靠性高、抗干扰能力强、操作简单、控制方便等特点,为家庭生活的安全舒适提供强有力的保障。更多还原

【Abstract】 A kind of Home Furnishing security system based on PLC was introduced,and the main components and the realization method of PLC system was described.The system uses S7-200 PLC,MQ-2 Siemens sensors in hardware and control of fire so as to turn off the gas solenoid valve to the property and household alarm and other functions.The software using Home Furnishing security control system program is compiled Siemens PLC programming software STEP 7-Micro WIN.The system is characterized by high reliability,strong anti-interference ability,simple operation,convenient control,safety and comfort for family life,which provides a strong protection.更多还原