9. Basic functions
9.7Frequency limit setting
Frequency limit setting based on Max and start frequency
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| Set |
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| Min/Max |
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| Function |
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| F21 |
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| [Max frequency] |
| - |
| 0/400 |
| 60.0 |
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| group 1 |
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| F23 |
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| [Start frequency] |
| - |
| 0/10 |
| 0.5 |
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Max frequency: Frequency high limit except for F22 [Base frequency]. Any frequency cannot be set above [Max frequency].
Start frequency: Frequency low limit. If a frequency is set lower than this, 0.00 is automatically set.
Run frequency limit based on frequency High/Low limit
| Group |
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| LED Display |
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| Parameter Name |
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| Set |
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| Min/Max |
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| Factory |
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| Function |
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| F24 |
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| [Frequency High/Low limit |
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| 1 |
| 0/1 |
| 0 |
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| group 1 |
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| F25 |
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| [Frequency high limit] | - |
| 0/400 |
| 60.0 |
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| F26 |
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| [Frequency low limit] | - |
| 0/400 |
| 0.5 |
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Set F24 to 1.
Active run frequency can be set within the range set in F25 and F26.
When frequency setting is done via Analog input (voltage or current input), the inverter operates within the range of high and low limit frequency as shown below.
This setting is also valid when frequency setting is done via keypad.
When freq. limit is not
Freq.selected
High limit | Max freq. | |
freq. |
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Low limit |
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freq. | 10V | V1(Voltage input) |
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0 | 20mA | I (Current input) |
