DS200DTBCG1A 一手货源 国外直接进货

2094-AM03
Allen-Bradley
2711P-T7C4D8
Allen-Bradley
6182H-10TLH4D
Allen-Bradley
2711P-RP2K
2711-B5A10
2711-T5A2L1
2711P-T15C4A1
1336S-BRF50-AN-L4
2711E-K14C6

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描述

PLC同一编号的线圈在一个程序中使用两次以上称为双线圈输出。双线圈输出容易引起误操作,这时前面的输出无效,只有最后的输出才有效。但该输出线圈对应触点的动作,要根据该逻辑运算之前的输出状态来判断。由于M1双线圈输出,所以,M1输出随最后一个M1输出变化,Y1随第一个M1线圈变化,而Y2随第二个M1输出变化。所以,一般情况下,应尽可能避免双线圈输出。

 

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