Allen-Bradley 1769-IF4 Compact I/O 4-Channel Analog Input PLC Module

Allen Bradley Flex I/O 1794-OB16. PLC input/output module

New Allen Bradley 1771-IBD Ser. B PLC-5 DC Input Module

1734-TOPS Point Input/Output Terminal Base Module

Allen-Bradley 1747-SN SLC 500 PLC Input/Output Module I/O Expansion Controller

5 Inputs Outputs Complete do it yourself PLC Training Kit Build your own Trainer

Terminal Base Module Point Input/Output 1734-TOPS

Allen Bradley 1746-IB16 PLC Input Module