6ES7134-6PA21-0BU0 – Siemens SIMATIC ET200 I/O Module

6ES7131-4BB00-0AA0-EACH – DISCONTINUED BY MANUFACTURER 10/01/2012, ELECTRONIC INPUT MODULE, SIMATIC DP, 24 VDC, 2 DIGITIAL INPUTS, FOR ET 200S, PRICE/EACH, SUCCESSOR: 6ES7131-4BB01-0AA0-EACH

6ES7131-4BD50-0AA0-EACH – DISCONTINUED BY MANUFACTURER 10/01/2012, ELECTRON MODULE, SIMATIC DP, FOR ET 200S, 4 DI SOURCE INPUT 24 VDC, 15 MM WIDTH, (PRICE / EACH)

6ES7131-4BF50-0AA0 – ET200S, 8DI SOURCE OUTPUT DC24V, DF CS FA PLC SUPPORT PRODUCTS, IO AND SAFETY

6ES7131-6BF60-0AA0 – INPUT MODULE, SIMATIC ET 200SP, DIGITAL, DI 8X 24 VDC, SOURCE INPUT BA SUITABLE FOR BU TYPE A0, COLOR CODE CC02