Siemens 6AG1326-1RF01-4AB0 SIPLUS S7-300 SM326F DI8 NAMUR FOR MEDIAL STRESS WITH CONFORMAL COATING BASED ON 6ES7326-1RF01-0AB0 . DIGITAL INPUT SM 326, 8 DI, DC 24V, NAMUR, FAILSAFE NAMUR INPUTS FOR SIMATIC S7 F SYSTEMS, UP TO CATEGORY 4 (EN954-1)/ SIL3 (I