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SIS 是Safety instrumented system的简称，中文意思是安全仪表系统， 它包括安全联锁系统、紧急停车系统 有毒有害、可燃气体及火灾检测保护系统 等，广泛应用于石油、化工等流程工业中。 安全仪表系统SIS, 用于监视生产装置或独立单元的操作，当生产正常时，SIS处于休眠或静止状态。一旦生产装置或.
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