6AG1688-3AF37-2AX0 — SIPLUS HMI KP8F PN -20…+55°C with Conformal Coating based on 6AV3688-3AF37-0AX0 . Key Panel, 8 short-stroke switches with multi-colored LEDs, PROFINET interfaces with PROFIsafe, 8 DI/DO and 2 safety DI pins, 24 V DC can be looped through parameterizable as of STEP 7 V5.5
