1C31224G01 WESTINGHOUSE 逻辑条件

BLACK BOX LMC211AE-MM
SCHNEIDER 140AC013000
SIEMENS 6GK5788-1AA60-2AA0
SIEMENS PEP MODULAR/ VM30 CPU VME BOARD B
A-B 1746-NO4I
A-B 1747-ASB
BENTLY NEVADA 125800-01
A-B 1756-L55M13
SCHNEIDER 140ARI03010
A-B 1756-L55M13
A-B 1756-L55M13
BENTLY NEVADA 125720-01
A-B 1756-CNBR E
EMERSON CE4002S1T2B5
BENTLY 146031-01

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Description

 在工业生产过程中,大量的开关量顺序控制,它按照逻辑条件进行顺序动作,并按照逻辑关系进行连锁保护动作的控制,及大量离散量的数据采集。传统上,这些功能是通过气动或电气控制系统来实现的。1968年美国GM(通用汽车)公司提出取代继电气控制装置的要求

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