81EU01E-E ABB 编程

KOLLMORGEN AKM21C-ANBNR-00
GE IC695CPU315
HEIDENHAIN PLB6208
PROSOFT MV156E-MCMR
SCHNEIDER 140CPU43412A
ABB PFEA111-20
ABB 81EU01E-E
PROSOFT MVI56E-MCM
ABB 81EU01E-E
REXROTH DKCXX.3-100-7
FOXBORO P0961EF-CP30B
SIEMENS 6DD1640-0AH0
HITACHI LYD105A
ABB 81EU01E-E
ABB 81EU01E-E

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Description

PLC中使用的”继电器”并非实体继电器,而是”软继电器”,可提供无数个常开、常闭触点用于编程。每个”软继电器”仅对应PLC存储单元中的一位(bit),该位状态为”1″,表示该”软继电器线圈”通电,则程序中所有该继电器的触点都动作。输入继电器作为PLC接收外部主令信号的器件

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