P9 ASD Installation and Operation Manual
157
Time-Based Alternation Emergency Timer
Program
Virtual Linear Pump
Time-Based Alternation
During
Time-Based Alternation
operation, in the event that the Lead ASD
trips or loses the transducer input signal, this parameter sets a counter time that
will count down to zero.
Upon reaching zero, two actions will occur:
1) The Lag 1 ASD will accelerate to the setting of
at the
Accel Time 1
.
If the Lag1 ASD is tripped, another timer count begins and upon reaching zero,
the next available ASD will accelerate to the setting of
2) The system will check the load requirement of the Lag1 ASD (or the next
available ASD).
If the Lag 1 ASD load is zero, the ASD will stop.
If a non-zero load is detected, the Lag1 ASD will continue to run in accordance
with the user-set
Virtual Linear Pump
settings.
Time-Based Alternation
Time-Based Alternation
(TBA) is used to provide a more evenly distributed
run-time of the system pumps of a multi-pump system. This is accomplished by
varying which system pump plays the Lead role.
Permanently assigning one pump as the Lead pump invariably results in the
Lead pump being over worked and it will require more maintenance. The
TBA
algorithm allows the user to set the time that each pump within the system is to
be assigned the Lead pump function and which are assigned the function of
being the Lag pump(s).
Upon completion of the user-set time, the system changes the Lead pump
assignment to the next pump number (
).
The
Virtual Linear Pump
feature allows the Lag pumps to assist the Lead
pump when required as the load exceeds the ability of the lead pump.
Direct Access Number — F404
Parameter Type —
Numerical
Factory Default —
60
Changeable During Run —
Yes
Minimum — 1
Maximum — 65535
Units — Minutes
Motor Rated Capacity
Program
Motor
Vector Motor Model
This parameter is used to set the (nameplated) rated capacity of the motor being
used.
Direct Access Number — F405
Parameter Type —
Numerical
Factory Default —
11.0
Changeable During Run —
No
Minimum — 0.1
Maximum — 500.00
Units — kW
Motor Rated Current
Program
Motor
Vector Motor Model
This parameter is used to set the (nameplated) current rating of the motor being
used.
Direct Access Number — F406
Parameter Type —
Numerical
Factory Default —
20.3
Changeable During Run —
No
Minimum — 0.1
Maximum — 2000.0
Units — Amps
Содержание P9
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Страница 3: ...Document Number 64054 004 February 2013 P9 ASD Installation Operation Manual TM ...
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Страница 280: ...270 P9 ASD Installation and Operation Manual Figure 38 See Tables 17 and 18 for Actual Dimensions ...
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Страница 285: ...P9 ASD Installation and Operation Manual 275 Figure 43 See Table 18 for the associated device Dimensions are in in cm ...
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