YSI IQ SensorNet 2020 XT Terminal - Manual (Page 118)

Operation System 2020 XT USB
4 - 40 ba76019e01 12/2012
Sequence of
MIQ/TC 2020 XT
controller operation
(simplified)
Controller operation
Terminal operation
IQ Sensor Net
main controller
MIQ/TC 2020 XT
Regular
terminal operation
2 min waiting time
MIQ/TC 2020 XT
takes over
Main controller
takes over
(Repair or
exchange of
main controller)
?
! Malfunction: failure of main controller
Reconnection of a main controller
Search for
active main
controller
(ongoing)
Time axis
Time axis
Terminal and
backup
controller
operation
USB
memory
Saving of the system configuration (manually)
First saving
2 min after
initialisation
then
every 60 min
Saving of the system configuration
manually automatically
2 min
Saving of the system configuration
manually
automatically
Regular
controller operation
Regular
controller operation
Query: copy the system
configuration?
Saving of the measured data (manually)
1 min
Regular
terminal operation
First saving
2 min after
initialisation
then
every 60 min