MSC-3 Instruction Manual
D020 I2t
D020 I2t
40.0 Amps
Range: 18...100% of the MSC-3 current rating (model dependant)
• Press to edit the value.
• Press ▲/ ▼ to make changes to the value.
• Press to accept the new value OR
• Press ESC to abandon the value change.
This sets the upper thermal overload limit in amps. An “I2t” trip is generated if the output current is
higher than this value for a sufcient amount of time depending on the overload class selected.
D021 I2t zero Hz
D021 I2t zero Hz
40.0 Amps
Range: 18...D020 I2t value
• Press to edit the value.
• Press ▲/ ▼ to make changes to the value.
• Press to accept the new value OR
• Press ESC to abandon the value change.
This sets the trip threshold when the speed is zero. This value cannot be set higher than the D020 I2t
value.
D022 I2t CNR Hz
D022 I2t CNR Hz
10 Hz
Range: 2...200Hz
• Press to edit the value.
• Press ▲/ ▼ to make changes to the value.
• Press to accept the new value OR
• Press ESC to abandon the value change.
The D022 I2t cnr Hz value sets the frequency above which the prole uses the trip threshold as set by
D020 I2t. Below this frequency the I2t value is set by the slope on the I2t prole.
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