Description
在输入采样阶段,PLC以扫描方式依次地读入所有输入状态和数据,并将它们存入I/O映象区中相应的单元内,输入采样结束后,转入用户程序执行和输出刷新阶段,即使输入状态和数据发生变化,I/O映象区中的相应单元的状态和数据也不会改变
Henny Penny 580 SMS Control Panel 56817RB New
Edinburgh Sensors Gascard II CH4 100%
Edinburgh Sensors Gascard II CH4 100%
Blower 9760440 W10109930 Whirlpool Kitchenaid Range NEW
ION Marine Seismic Energy Depth Transducer 0700205 New
Bradley 9561 Folding Shower Seat Plastic ADA New
Adams EMS Emergency Phone 940P2 Line Powered New