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W7 ASD Installation and Operation Manual 105
Reference Priority Selection
Program Frequency Settings Reference Priority Reference
Priority Selection
Either the Frequency Mode (#1) or the Frequency Mode #2 setting may
control the output frequency of the ASD. This parameter determines which of
the two will control the output frequency and the conditions in which control
will be switched from one to the other.
Settings:
Freq Source #1
Freq Source #2
Freq #1 Priority
Freq #2 Priority
Freq Prty Switch
The Freq Mode #1 or Freq Mode #2 setting specifies the source of the input
frequency-command signal.
If Freq Source #1 is selected here, the ASD will follow the speed command of
the Freq Mode #1 selection. If Freq Source #2 is selected here, the ASD will
follow the speed command of the Freq Mode #2 selection.
The Freq #1 Priority and Freq #2 Priority selections are used in conjunction
with the Mode #1/#2 SW (Switching) Freq parameter setting. The Mode #1/
#2 SW (Switching) Freq parameter establishes a threshold frequency that will
be used as a reference when determining when to toggle the output control
between the Frequency Mode (#1) selection and the Frequency Mode #2
selection.
If Freq #1 Priority is selected here and the commanded frequency exceeds the
Mode #1/#2 SW (Switching) Freq setting, then the Freq Mode #1 selection
has priority over the Freq Mode #2 selection.
If Freq #2 Priority is selected here and the commanded frequency exceeds the
Mode #1/#2 SW (Switching) Freq setting, then the Freq Mode #2 selection
has priority over the Freq Mode #1 selection.
Frequency Prty (Priority) Switch allows for the activation of a preconfigured
discrete input terminal to toggle the frequency control between the selections of
Freq Mode #1 and Freq Mode #2. Any unused programmable discrete input
terminal may be programmed as the Frequency Prty (Priority) Switch
terminal.
Parameter Type — Selection List
Factory Default — Freq #1 Priority
Changeable During Run — Yes
Release (brake) After Run Timer
Program Protection Settings Release After Run TImer
This parameter sets the time that the brake will hold after the Run command
criteria has been met.
Parameter Type — Numerical
Factory Default — 0.00
Changeable During Run — No
Minimum — 0.00
Maximum — 10.0
Units — Seconds
Reference Priority Selection Release (brake) After Run Timer