SA／CL-1-EP型阀门定位器的在线更换与思考

摘要

To solve the problem in replacing the positioner SA/CL-1-EP of the PV1021A valve , change the analysis ideas . Afterwards the fault have been handled ,and summarize lessons learned in the process .%针对PV1021A阀门定位器SA /CL-1-EP更换过程中出现的问题，改变分析问题的思路，使故障得以处理，并总结了处理过程的经验教训。