摘要
通过对PLC在自动联锁保护系统中出现运行20天左右即停机、编程器与主机和备机都不能联机的故障现象分析,重点介绍了故障诊断方法和处理方法,同时指出了测试和联动试验的程序。
Some troublephenomena of PLC in autointerlock protecting system, including its stopping after running 20 days, no communication between the programmer and the host or the spare are analyzed. Especially some diagnose and disposal methods are introduced. The procedures of testing and linkage are described as reference.
出处
《石油化工自动化》
CAS
2003年第2期54-55,共2页
Automation in Petro-chemical Industry
