1756-ENET/A
1756-OB32/A
1756-L55M13/A
1746-OBP16/C
1746-NT4/A
1746-IO8/A
1747-L552/C
1747-KFC15/A
1756-CPR2/1794-AENTRXT
羅克韋爾1734-OB4E輸入輸出模塊