6AV2124-0UC02-0AX0 SIMATIC HMI TP1900 Comfort The new part, as of 2018-10-01, is blocked for delivery. Spare part can continue to be purchased, price may deviate from new part. For further information, see SIOS ID: 109486162 or 109748849. For questions, the known contact persons are available. SIMATIC HMI TP1900 Comfort, Comfort Panel, touch operation, 19" widescreen TFT display, 16 million colors, PROFINET interface, MPI/PROFIBUS DP interface, 24 MB configuration memory,