6FC5203-0AF28-4BS0 - SINUMERIK FM-NC/810D/DE/840D/DE PUSH BUTTON PANEL PP012H-S40 (A5E00000000) BASED ON 6FC5203-0AF25-1AA0 2-CHANNEL ACKNOWLEDGMENT APPLIC. FOR HT6 NOT COMPATIBLE FOR PHG (siemens) - Quad Industry GmbH