6ES7131-0HF00-0XB0 – Siemens SIMATIC ET200 I/O Module

6ES7131-1BL11-0XB0 – DISCONTINUED BY MANUFACTURER, INPUT MODULE ELECTRONIC BLOCK, ET200L, 32DI, 24VDC, SIMATIC DP

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

6ES7131-5RD00-0AB0 – DISCONTINUED BY MANUFACTURER 01/04/2018, INPUT MODULE, DIGITAL, 4 INPUTS NAMUR, SIMATIC DP, FOR ET200IS

6ES7131-6BH01-0BA0 – DIGITAL INPUT MODULE, SIMATIC ET 200SP, 16X 24 VDC, PNP, 0.05-20 MS DELAY TIME, LED INDICATOR, 0 TO +60 DEGREES C