Toshiba Q9+ Installation & Operation Manual page 173

Time-Based Alternation
Program Virtual Linear Pump Time-Based Alternation
This parameter is enabled for use by completing the Virtual Lin-
ear Pump Setup Wizard.
Time-Based Alternation operation is enabled by setting this
parameter (F417) to an operating mode and assigning a discrete
input terminal to the TBA HOA Switch function and activating the
terminal.
During Time-Based Alternation operation, and while running in
the Virtual Linear Pump mode, this parameter Enables/Disables
the ability of the system to receive transducer input to manage
system starts and stops as it pertains to the process variable.
This parameter is also used to select the Lead ASD response
(Stop or Start) upon meeting the criteria of F388 and F389 set-
tings.
Forward Auto = Run the ASD while the measured signal is 
F388 setting, and stop the ASD upon reaching the
Reverse Auto = Run the ASD while the measured signal is 
F389 setting, and stop the ASD upon reaching the
Settings:
0 — Off
1 — Forward Auto
2 — Reverse Auto
WARNING
The Time-Based Alternation operating mode may result in the
unexpected Start or Stop of the motor. Signs to this effect are to be
posted at the location of the motor/pump.
Time-Based Alternation Period
Program Virtual Linear Pump Time-Based Alternation
During Time-Based Alternation operation, this parameter sets the
time that the Lead ASD and Lag ASD assignments are valid until
changed as a function of the Time-Based Alternation settings.
https://www.toshiba.com/tic/
–
F417
Direct Access Parameter Information
Q9 Plus ASD Install/Op Manual
F389
F388
F434
Direct Access Number —
Parameter Type — Selection List
Factory Default — Off
Changeable During Run — Yes
setting.
setting.
Direct Access Number —
Parameter Type — Numerical
Factory Default — 1 Minute
Changeable During Run — No
Minimum — 1 Minute
Maximum — 41 Days 15 Hours
F417
F418
161