Operators Handbook DCU3 – System
14., Supplement
BAEDCU3 - Rev. 4.6 - 0504 14 - 7
14.4.2 Digital - Inputs
Tag Displayed value or function, required input
FOAM status signal from foam sensor
LEVEL status signal from level sensor for level measurement (medium has contact
with the sensor)
TEMPC alarm message; requires check of Pt100 in culture vessel
JTMPC alarm message; requires check of Pt100 of jacket
TURBC alarm message; requires check of turbidimetry sensor
HEATC alarm signal, short cut of heater
MOTCR alarm signal, short cut of motor
FUSEC alarm signal, fuse broken; fuse is to be replaced
DCUON status signal from DCU mains switch; DCU switched on
SUPON status signal from basic unit mains switch; basic unit switched on
14.4.3 Digital Outputs
Tag Displayed value or function, required input
HEAT status signal from culture vessel jacket, state is heating
COOL status signal from culture vessel jacket, state is cooling
ACID dosing times of acid pump or dosing valve
BASE dosing times of alkali pump or dosing valve
OXYGN dosing times or air inlet valve (Gas Mixing System)
NITRO dosing times of nitrogen supply valve (Gas Mixing System)
AFOAM dosing times antifoam agent pump or dosing valve
FEEDP dosing times substrate pump
HARV running time harvesting pump
TIMR1..2 Timer 1 .. 2 active
TMPON heater switched on
STRON drive system switched on
AIRIN air inlet valve open (activated)
EXHST exhaust valve switched off
COND valve condensate drain switched on (drain open)
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