描述
执行程序阶段。用户程序执行阶段，PLC按照梯形图的顺序，自左而右，自上而下的逐行扫描，在这一阶段CPU从用户程序的第一条指令开始执行直到最后一条指令结束，程序运行结果放入输出映像寄存器区域。在此阶段，允许对数字量I/O指令和不设置数字滤波的模拟量I/O指令进行处理，在扫描周期的各个部分，均可对中断事件进行响应。
ALLEN BRADLEY PROCESSER UNIT 1745-E101 SER A
ALLEN-BRADLEY SLC150 1745-LP153 PLC SERIES C
1 NIB ALLEN BRADLEY 1745-C1 1745C1 INTERCONNECT CABLE
ALLEN BRADLEY 1745-R2 PROGRAMMABLE CONTROLLER
One-day shipping available
Allen Bradley SLC 100 Relay Output Exp. Unit 1745-E105
One-day shipping available
ALLEN BRADLEY 1745-LP101 SLC100 Processor unit SERIES D
ALLEN BRADLEY SLC150 1745-E156 SER.A EXPANSION NICE MO
Allen Bradley SLC 100 Processor #1745-E101, #6827
1745-E155 Allen Bradley SLC 150 1745E155 F275
One-day shipping available
Allen Bradley SLC 100 Processor Unit 1745-LP101 PLC
ALLEN BRADLEY SLC 100 EXPANSION UNIT 1745-E101 SERIES A
Allen Bradley Expansion Unit SLC 100 1745-E101 Ser A
ALLEN BRADLEY (1745-E101) SLC100 EXPANSION UNIT NICE !!
