TRICONEX 9563-810 现货

GE IC754VSF12CTD
C825LN6
A02B-0163-C322
P0924DT-RH924DT
P0973JP
Honeywell MC-TAMT04/51305890-175
CI840A-3BSE041882R1
2711-B5A2
FI830F ART NO:38DH000032R1
510325006
60WKS-CE240/6PB
PLX32-EIP-PND
3300/03-03-06
1797-PS1E

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描述

输入设备SB1、SB2、FR与PLC内部的“软继电器”X0、X1、X2的“线圈”对应,由输入设备控制相对应的“软继电器”的状态,即通过这些“软继电器”将外部输入设备状态变成PLC内部的状态,这类“软继电器”称为输入继电器;同理,输出设备KM与PLC内部的“软继电器”Y0对应,由“软继电器”Y0状态控制对应的输出设备KM的状态,即通过这些“软继电器”将PLC内部状态输出,以控制外部输出设备,这类“软继电器”称为输出继电器。

 

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