PID图例? block in esd contains 3 out of 3 voting with fault diagnostic for trip values. repeats in three analogue transmitter signals from the esd to the dcs. 紧急事故停车esd的模块包括对触发值的带诊断的3-3模型。esd将对触发模拟信号进行3次重复确定后,将信号传输到dcs。 3-3 模型是指一个信号分成3股信号传输后,3股信号值一致,此信号为真。(esd)查看更多