E6580757
6.5Frequency priority selection
6.5.1Using a frequency command according to the particular situation
: Frequency setting mode selection : Frequency priority selection
• 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 
and 
parameters
• Switching via terminal board input
■Parameter setting
Title | Function | Adjustment range | Default setting |
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| 0: Terminal board |
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| Frequency setting mode selection | 1: Operation panel | 2 |
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| 2: Internal potentiometer |
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6
■Parameter setting
Title | Function | Adjustment range | Default setting |
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| 0: VIA/II, VIB |
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| 1: VIB, VIA/II |
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| 2: External switching |
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| (FCHG enabled) |
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| Frequency priority selection | 3: External contact UP/DOWN | 0 |
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| 4: External contact UP/DOWN |
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| (Setting retained even if the |
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| power is turned off) |
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| 5: VIA/II + VIB |
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The VIA terminal and II terminal cannot be used at the same time.
1) Automatic frequency switching 1
Frequency priority selection parameter 
(Default setting)
= 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.
