A .微型机算计、ALLENBRADLEYPLC5/40E可编程控制器、REMOTEI/O
B .微型机算计、REMOTEI/O、报警盘、打印机、HUB
C .ALLEN BRADLEY PLC5/40E可编程控制器、REMOTEI/O、报警盘、打印机
D .微型机算计、ALLEN BRADLEY PLC5/40E可编程控制器、REMOTEI/O、报警盘、打印机、HUB等