H7 ASD Operation Manual 83
Reference Priority Selection
Program
⇒
Fundamental Parameters
⇒
Standard Mode Selection
⇒
Reference Priority Selection
Either Frequency Mode #1 or Frequency Mode #2 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:
Frequency Source #1
Frequency Source #2
Frequency Source #1 Priority
Frequency Source #2 Priority
Frequency Source Priority Switching
The settings of Frequency Source #1 or #2 specifies the input source for the
frequency command signal; these settings are performed in F004 and F207,
respectively.
If Frequency Source #1 is selected here, the ASD will follow the settings of
F004. If Frequency Source #2 is selected here, the ASD will follow the
settings of F207.
The Frequency Source #1 Priority and Frequency Source #2 Priority
selections are used in conjunction with the Mode #1/#2 Switching Frequency
setting (F208). Parameter F208 establishes a threshold frequency that will be
used as a reference when determining when to switch output control between
Frequency Mode #1 and Frequency Mode #2.
If Frequency Source #1 Priority is selected here and the commanded
frequency exceeds the F208 setting, Frequency Mode #1 has priority over
Frequency Mode #2.
If Frequency Source #2 Priority is selected here and the commanded
frequency exceeds the F208 setting, Frequency Mode #2 has priority over
Frequency Mode #1.
Frequency Source Priority Switching allows for a contact closure at a
preconfigured input terminal to toggle control between Frequency Source #1
and Frequency Source #2. Any of the programmable input terminals may be
programmed as the Frequency Source Priority Switching terminal.
Direct Access Number — F200
Parameter Type — Selection List
Factory Default — Frequency Source #1
Changeable During Run — Ye s
F200 F200
www . ElectricalPartManuals . com
To Next Page
Loading...
