歐姆龍 可程式控制器 Omron PLC
B500-IA121
B5OO-IA121 B500-IAl2l B500-IAI2I B500-1A121 B500-lA121 B500IA121 B500一IA121 B500-IR121 BS00-IA121 B500-IA1Z1 8500-IA121