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。
Allen Bradley H.S. input Module 1745-E155 Used
Allen Bradley 1745-LP153 SLC 150 Processor Unit
ALLEN BRADLEY 1745-LP151 USED 1745LP151 SER. B
Allen Bradley Memory Module 1745-M1 SerB NIB!
Allen Bradley SLC 150 Programmable Controller 1745-LP15
One-day shipping available
ALLEN BRADLEY SLC100 PROGRAMMABLE CONTROLLER 1745-E101
ALLEN BRADLEY SLC100 PROGRAMMABLE CONTROLLER 1745-E101
1745B1 NEW ALLEN BRADLEY 1745 B1 FREE SHIPPING
One-day shipping available
Allen Bradley 1745-B1 1745B1 NEW-NO BOX Free Shipping
One-day shipping available
Allen Bradley Interface Converter 1745-PCC & 1745-C1
NEW Allen Bradley SLC500 PLC 1745-M1 Memory Module BNIB
ALLEN BRADLEY SLC 100 1745-E106 SER. A EXPANSION UNIT
Expedited shipping available