SIL是指什么? sil一些简称,不能上传资料,只能贴了 bpcs:basic process control system,基本过程控制系统,如dcs等; iec: international electrotechnical commission,国际电工学会; isa:instrument society of america,美国仪表及自动化学会; pfd:probability of failure on demand,指令模式的危险故障率; pfdavg:average probability of failure on demand,平均危险故障率; rrf:risk reduction factor,事故降低倍数; sff:safe failure factor,安全故障比例; sis:safety instrumented system,安全联锁系统; sif:safety instrumented function,安全联锁功能; sil:safety integrity level,综合安全等级; roace:return of average capital employed,单位资本投资收益,投资回报率; mttf:mean time to failure,平均无故障工作时间; mttfd:mean time to failure dangerous,平均无危险故障工作时间; mttfs:mean time to failure spurious,平均无安全故障工作时间(两次误跳车的时间间隔); fits:failures per billion device hours,每109小时内发生故障的次数; sd:safe detectable failure,安全可检测故障; su:safe undetectable failure,安全不可检测故障; dd:dangerous detectable failure,危险可检测故障; du:dangerous undetectable failure,危险不可检测故障; beta:common cause factor,共因失效系数; rt:online repair time,在线修复时间; ti:test interval,检测周期; trd:time to restart after spurious trip,误跳车后重启所需时间;查看更多