描述
PLC在程序执行阶段:按用户程序指令存放的先后顺序扫描执行每条指令,经相应的运算和处理后,其结果再写入输出状态寄存器中,输出状态寄存器中所有的内容随着程序的执行而改变。
Allen Bradley AB EB-700 Fireye Flame Monitor w/ EP260
Fireye Cable Adapter Board ED610- Flame Monitor
FIREYE FLAME MONITOR CAT#EB-700/9451?0021
Fireye E1R1 Infra-Red Flame Amplifier Module 88265332
Allen Bradley Fireye EP170 Programmer Module
FIREYE ALLEN-BRADLEY AUTOCHECK INFRARED E1R1 MODULE
Fireye Infrared Scanner 48PT2-1003