Hach RTC User Manual

Table 6 RTC105 N/DN-module (1-channel with DO option)Tag name Parameter Unit Channel DescriptionRTC input NH4-N mg/L 1 AmmoniaRTC input NO3-N mg/L 1 NitrateRTC input DO mg/L 1 OxygenRTC input Flow rate L/s 1 Optional: Flow rate to biological treatmentMEASUREMENT 1 Qin 1 % 1 Flow rate as fed to the RTCACTUAT VAR 2 B_S 1 Stage 1 Aeration stage (ON/OFF)ACTUAT VAR 3 Nreg 1 — 1 Internal calculation value Nitrogen basedACTUAT VAR 4 Oreg 1 — 1 Internal calculation value oxygen basedACTUAT VAR 5 A_S 1 % 1 Aeration intensity VFD 1ACTUAT VAR 6 A_S 2 % 1 Aeration intensity VFD 2ACTUAT VAR 12 Osetp 1 mg/L 1 O2 set pointTable 7 RTC105 N/DN-module (2-channels with DO option)Tag name Parameter Unit Channel DescriptionRTC input NH4-N mg/L 1 Ammonia 1RTC input NO3-N mg/L 1 Nitrate 1RTC input DO mg/L 1 Oxygen 1RTC input NH4-N mg/L 2 Ammonia 2RTC input NO3-N mg/L 2 Nitrate 2RTC input DO mg/L 2 Oxygen 2RTC input Flow rate L/s 1 Optional: Flow rate to biological treatment 1RTC input Flow rate L/s 2 Optional: Flow rate to biological treatment 2MEASUREMENT 1 Qin 1 % 1 Flow rate as fed to the RTCACTUAT VAR 2 B_S 1 Stage 1 Aeration stage (ON/OFF)ACTUAT VAR 3 Nreg 1 — 1 Internal calculation value Nitrogen basedACTUAT VAR 4 Oreg 1 — 1 Internal calculation value oxygen basedACTUAT VAR 5 A_S 1 % 1 Aeration intensity VFD 1ACTUAT VAR 6 A_S 2 % 1 Aeration intensity VFD 2ACTUAT VAR 7 B_S 2 Stage 2 Aeration stage (ON/OFF) B_S 2ACTUAT VAR 8 Nreg 2 — 2 Internal calculation value NregACTUAT VAR 9 Oreg 2 — 2 Internal calculation value OregACTUAT VAR 10 A_S 1 % 2 Aeration intensity VFD 1ACTUAT VAR 11 A_S 2 % 2 Aeration intensity VFD 2ACTUAT VAR 12 Osetp 1 mg/L 1 O2 set pointACTUAT VAR 13 Osetp 2 mg/L 2 O2 set pointEnglish 11