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 par am eter determines which of
the two will control the output frequency and th e 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 setti ng specifies the sour ce of the input
frequency-command signal.
If Freq Source #1 is selected here , th e A S D wil l fo ll ow the speed command of
the Freq Mode #1 selection. If Freq Source #2 is selected here, the ASD will
follow the speed com mand 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 selec tio n .
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 selec tio n .
Frequency Prty (Priority) Switch allows for the activation of a preconfigured
discrete input terminal to toggle the fr equency control between the selections of
Freq Mode #1 and Freq Mode #2. Any unuse d 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 th e time that the brake wi ll hold after the Run command
criteria has been met.
Parameter Type — Numeri cal
Factory Default — 0.00
Changeable During Run — No
Minimum — 0.00
Maximum — 10.0
Units — Seconds
Reference Priority Selection Release (brake) After Run Timer