“B” Group:
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| Overload | If the inverter’s output current exceeds a |
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| Restriction | preset current level you specify during | Motor |
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| B022 |
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| acceleration or constant speed, the |
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| overload restriction feature automati- |
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| cally reduces the output frequency to |
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| restrict the overload. This feature does |
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| not generate an alarm or trip event. You | Output |
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| can instruct the inverter to apply |
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| overload restriction only during |
| Frequency |
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| currents for acceleration. Or, you may |
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| B023 |
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| ation and constant speed. In the case of |
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| controlled deceleration, the inverter monitors both output current and DC bus voltage. The | |||||||||||||||||||||||||||||||||||||||
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| inverter will increase output frequency to try to avoid a trip due to | |||||||||||||||||||||||||||||||||||||||
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| When the inverter detects an overload, it must decelerate the motor to reduce the current until it | |||||||||||||||||||||||||||||||||||||||
Configuring Drive |
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| is less than the threshold. You can choose the rate of deceleration that the inverter uses to lower | |||||||||||||||||||||||||||||||||||||||
Parameters |
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| the output current. |
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| “B” Function |
| Run | Defaults |
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| Mode |
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| SRW Display | |||||||||||||||
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| Name |
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| Code |
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| Lo Hi | (EU) |
| (US) |
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| B021 | Overload restriction |
| Select the operating mode |
| ✘ ✔ | 01 |
| 01 |
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| >b021 OLOAD | ||||||||||||||||||||||
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| operation mode |
| during overload conditions, |
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| 1MODE |
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| four options, option codes: |
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| 00 Disabled |
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| 01 Enabled for acceleration |
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| 02 Enabled for constant |
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| 03 Enabled for accel, decel, |
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| B022 | Overload restriction |
| Sets the level for overload |
| ✘ ✔ | rated current times |
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| A |
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| >b022 OLOAD | ||||||||||||||||||||||||||||
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| setting |
| restriction, between 50% |
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| 1.50 |
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| setting resolution is 1% of |
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| B023 | Deceleration rate at |
| Sets the deceleration rate |
| ✘ ✔ | 1.00 |
| 1.00 |
| 1.00 |
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| sec. |
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| >b023 OLOAD | |||||||||||||||||||||||||
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| overload restriction |
| when inverter detects |
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| 1CONST | 01.00 | |||||||||||||
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| overload, range is 0.1 to |
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| 30.0, resolution is 0.1. |
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| B024 | Overload restriction |
| Select the operating mode |
| ✘ ✔ | 01 |
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| >b024 OLOAD | ||||||||||||||||||||||
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| operation mode (2) |
| during motor overload |
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| 2MODE |
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| ON | |||||||||
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| conditions, four options, |
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| option codes: |
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| 00 Disabled |
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| 01 Enabled for acceleration |
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| and constant speed |
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| 02 Enabled for constant |
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| speed only |
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| 03 Enabled for accel, decel, |
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| and constant speed |
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