6AG1688-3EH47-2AX0 — SIPLUS HMI KP32F PN -20…+55°C with Conformal Coating based on 6AV3688-3EH47-0AX0 . Key Panel, 32 short-stroke keys with multi-colored LEDs, PROFINET interfaces with PROFIsafe, 16 DI+16 DI/DO, 4 safety DI pins, 24 V DC can be looped through parameterizable as of STEP 7 V5.5
