PSSR-2 safety interface controller integrity monitors safety switch, mat, edge and bumper product with a 6.8 or 8.2 kΩ end-of-the-line resistor at Category 3 SIL 2 PLd, EN 13849. It has a manual and auto reset, three output contacts, force guided relays, and two normally open (safety) and one normally closed (monitor) contacts.
