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Mitsubishi Electric FR-A520-0.4K -55K Instruction Manual Page 183

Transistorized inverter, high function & low acoustic noise.
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<Operation procedure>
When operation panel (FR-DU04) is used
1) Select the PU operation mode.
2) Set the running frequency.
3) Press the [SET] key.
4) Read Pr. 900 "FM terminal calibration" or Pr. 901 "AM terminal calibration".
5) Press the [FWD] key to run the inverter. (Motor need not be connected.)
6) Hold down the [UP/DOWN] key to adjust the meter pointer to the required position.
(Depending on the setting, the pointer may take some time to move.)
7) Press the [SET] key for about 1.5 seconds.
8) Press the [STOP/RESET] key to stop the inverter.
Note: 1. Pr. 900 is factory-set to 1mA full-scale or 1440Hz FM output frequency at 60Hz. The maximum
pulse train output of terminal FM is 2400Hz.
2. When a frequency meter is connected across terminals FM-SD to monitor the running frequency,
the FM terminal output is filled to capacity at the factory setting if the maximum output frequency
reaches or exceeds 100Hz. In this case, the Pr. 55 setting must be changed to the maximum
3. For the operation procedure using the parameter unit (FR-PU04), refer to the FR-PU04
instruction manual.
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