14. Protective Functions
Function | Explanation | Display | Alarm Output | |
Momentary | Stops drive to protect it against overcurrent . | OC1 |
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Overcurrent | OC1 = During acceleration | OC2 | Yes | |
Protection | OC2 = During deceleration | OC3 |
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| OC3 = During constant speed operation |
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Overvoltage | Detects overvoltage of DC intermediate circuit and stops drive. | OU | Yes | |
Protection | ||||
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Undervoltage | Detects undervoltage of DC intermediate circuit and stops drive. | LU | Yes* | |
Protection | ||||
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Protection against |
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overheating of | Detects abnormal temperature rise of cooling element and stops drive | OH1 | Yes | |
cooling element |
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External Alarm Input | Stops drive by input of an external signal. | OH2 | Yes | |
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Electronic Thermal | Detects overload of motor and stops drive. | OL | Yes | |
Overload | ||||
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Drive Overload | Detects overload of drive and stops drive. | OLU | Yes | |
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Memory Error | Stops drive in case of memory error | Er1 | Yes | |
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CPU Error | Stops drive in case of a CPU error | Er3 | Yes | |
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* This output is selectable by F10 | |
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