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E6581381
6.12Trip-less intensification
6.12.1Auto-restart (Restart of coasting motor)
H : Auto-restart control selection
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| Caution | |
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| • | Stand clear of motors and mechanical equipment | |||
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| If the motor stops due to a momentary power failure, the equipment will start suddenly when power is | |||
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| restored. | |||
Mandatory |
| This could result in unexpected injury. | |||||
• | Attach warnings about sudden restart after a momentary power failure on inverters, motors and | ||||||
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| equipment for prevention of accidents in advance. | |||
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| • | Function | |||
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| The H parameter detects the rotating speed and rotational direction of the motor during | |||
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| coasting ing the event of momentary power failure, and then after power haas been restored, restarts |
the motor smoothly (motor speed search function). This parameter also allows commercial power
operation to be switched to inverter operation without stopping the motor. |
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During operation, "TVT[" is displayed. |
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Title | Function | Adjustment range | Default setting |
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| 0: Disabled |
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| 1: At |
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H | 2: When turning | 0 |
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selection |
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| 3: At |
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| 4: At |
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*If the motor is restarted in retry mode, this function will operate, regardless of the setting of this parameter.
1)
Input voltage
Motor speed
F or R command
ON OFF
+Setting H to , (): This function operates after power has been restored following detection of an undervoltage by the main circuits and control power.