Frequency Priority Selection - Toshiba TOSVERT VF-S9 Instruction Manual

6.5

Frequency priority selection

6.5.1 Using a frequency command according to the particular
situation
• Function
Use the above parameters to select the command to be used for frequency setting, and to assign
priority to one of the two types of input frequency reference signals.
• Combination of the
• Switching via terminal board input
Parameter setting
Title
Frequency setting mode selection
Parameter setting
Title
Frequency priority selection
The VIA terminal and II terminal cannot be used at the same time.
1) Automatic frequency switching 1
Frequency priority selection parameter
= 0: Terminal board is selected.
First priority is assigned to analog input terminals VIA/II, and second priority to analog input terminals VIB.
When the input to VIA/II with first priority becomes null, control will be switched automatically to VIB with sec-
ond priority.
: Frequency setting mode selection
: Frequency priority selection
and
Function
Function
F-11
parameters
Adjustment range
0: Terminal board
1: Operation panel
2: Internal potentiometer
Adjustment range
0: VIA/II, VIB
1: VIB, VIA/II
2: External switching
(FCHG enabled)
3: External contact UP/DOWN
4: External contact UP/DOWN
(Setting retained even if the
power is turned off)
5: VIA/II + VIB
(Default setting)
E6580757
Default setting
6
2
Default setting
0