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Direct Access Parameter Information
Q9 Plus ASD Install/Op Manual
Virtual Linear Pump Start/Stop Mode
Program Virtual Linear Pump Start and Stop Points
During a properly configured Virtual Linear Pump operation, this
parameter Enables/Disables the ability of the system to receive
transducer input to manage system starts and stops as it per-
tains to the process variable.
This parameter is also used to select the ASD response (Stop or
Start) upon meeting the criteria of F388 and F389 settings.
On Forward = Run ASD while measured signal is F388 setting
and stop ASD upon reaching F389 setting.
On Reverse = Run ASD while measured signal is F389 setting
and stop ASD upon reaching F388 setting.
Settings:
0 — Off
1 — On (Forward Acting)
2 — On (Reverse Acting)
Direct Access Number —
F385
Parameter Type — Selection List
Factory Default — Off
Changeable During Run — Yes
Virtual Linear Pump Start-Stop Delay Timer
Program Virtual Linear Pump Start and Stop Points
During a properly configured Virtual Linear Pump operation, this
parameter establishes the time that the Start-Stop criteria of
F388 and F389 must be maintained to activate the Auto Start-
Stop function.
This feature is used to minimize system responses to rapid fluctu-
ations in the feedback signal.
See F385 for additional information on this parameter.
Direct Access Number —
F387
Parameter Type — Numerical
Factory Default — 5.0
Changeable During Run — Yes
Minimum — 0.1
Maximum — 6553.5
Units — Seconds
WARNING
The Auto Start-Stop operating mode may result in the unex-
pected Start or Stop of the motor. Signs to this effect are to be
posted at the location of the motor/pump.
F385 – F388
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