摘要
选用德国西门子S5 15 5H/ 135U型PLC对原继电器逻辑控制系统进行改造 ,安全可靠地实现全厂的联锁控制 ,经济和社会效益显著。
Siemens S5 115H/135U PLC was used to replace the original electrical relay logical control system,so that the trip control of the whole plant be safe and reliable and noticeable economic and social results be obtained.
出处
《大氮肥》
CAS
2000年第4期259-261,共3页
Large Scale Nitrogenous Fertilizer Industry
