MTBE sequencing batch system Type Navn Start   Under  Slut  Start  Under   Slut    Start Under  Slut Start Slut Start   Under    Slut    Bemærkning Sensor NA1 (lavt niveau=1) 1 0 0 0 0 0 0 0 0 0 0 0 0 1 Sensor NA2 (højt niveau=1) 0 0 1 1 1 1 1 1 1 1 1 1 0 0 Sensor IA2 (højt niveau=1) 0 0 0 0 0 1 1 0 0 0 0 0 0 0 Sensor IA1 (lavt niveau=1) 1 0/1 0/1 0/1 0/1 0 0 0 1 1 1 1 1 1 Flipflop FF A (NA1=sd, NA2=cd, invers) 0 0 1 1 1 1 1 1 1 1 1 1 1 0 Flipflop FF B (NA1=sd, IA2=cd, ret) 1 1 1 1 1 0 0 0 0 0 0 0 0 1 XOR XOR A (NA1, NAND D) 1 1 0 0 0 0 0 0 0 0 0 0 0 1 MV1 XOR XOR B (NA2, IA2) 0 0 1 1 1 0 0 1 1 1 1 1 0 0 XOR XOR D (NA1, FF A) 1 0 1 1 1 1 1 1 1 1 1 1 1 1 NOR NOR A (XOR A, NAND C) 0 0 0 0 0 0 0 0 1 1 1 1 1 0 Timer(Pumpe B) NOR NOR B (NAND A, NOR C) 1 1 0 0 0 0 0 0 1 1 1 1 1 1 NOR NOR C (IA1, FF B) 0 0 0 0 0 1 1 1 0 0 0 0 0 0 Pumpe A (timer) NAND NAND A (NAND B, NAND B) 0 0 1 1 1 0 0 0 0 0 0 0 0 0 MV2 (timer) NAND NAND B (XOR B, FF B) 1 1 0 0 0 1 1 1 1 1 1 1 1 1 NAND NAND C (NOR C, NOR C) 0 0 1 1 1 1 1 1 0 0 0 0 0 0 Omrører NAND NAND D (XOR D, XOR D) 0 1 0 0 0 0 0 0 0 0 0 0 0 0 Aktuatorer MV1 (fyldning) 1 1 0 0 0 0 0 0 0 0 0 0 0 1 MV2 (ilt dosering) 0 0 1 1 1 0 0 0 0 0 0 0 0 0 Pumpe A (MTBE dosering) 0 0 0 0 0 1 1 1 0 0 0 0 0 0 Pumpe B (tømning) 0 0 0 0 0 0 0 0 1 1 1 1 1 0 Omrører 0 0 1 1 1 1 1 1 0 0 0 0 0 0 Tømning Opfyldning Iltning Batch Sedimentation