bioreactor

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Frequently asked question (FAQ)

Is the bioreactor rebooting ?

In case the lower priority process can not be reached during 8s, the bioreactor will restart automatically. This lower priority process is the one that takes care of blinking the led.

Using the command p you will get the uptime in milliseconds.

In the of reboot there is also an entry in the log.

What is the state of the bioreactor ?

The command t will give you a good overview about the current state of the bioreactor

Status: 519 - What is the current status

• 0: 1 - agitation control
• 1: 1 - food control
• 2: 1 - heating
• 7: 0 - sedimentation
• 8: 0 - filling pump
• 9: 1 - emptying pump

Enabled: 7 - What is currently enabled

• 0: 1 - agitation control
• 1: 1 - food control
• 2: 1 - heating

Error: 0 - What are the current errors

• 0: 0 - pcb probe failed (one wire not answering)
• 1: 0 - liquid probe failed (one wire not answering)
• 2: 0 - temperature of pcb is outside range
• 3: 0 - temperature of liquid is outside range
• 4: 0 - target temperature is outside range
• 5: 0 - weight is outside range

What is a cycle ?

The bioreactor has 4 different phases :

Mode	Heating	Stepper	Till when it last
Normal mode	On	On	Last PARAM_FILLED_TIME minutes
Sedimentation mode	Off	Off	Last PARAM_SEDIMENTATION_TIME minutes
Pumping out	Off	Off	Last till PARAM_WEIGHT_MIN is reached
Pumping in	On	On	Last till PARAM_WEIGHT_MAX is reached