Mitsumi electronic FR-F520-0.75K Step Description, Start, Decelerates when Pr = 9999 to a stop

OPERATION/CONTROL

3.4.4Combined operation mode

(Operation using the external input signals and PU)

When entering the start signal from outside the inverter and setting the running frequency from the PU (Pr. 79 = 3)

The external frequency setting signals and the PU's FWD, REV and STOP keys are not accepted. (Note)

Step Description Image

Power-on

Switch power on.

ON

1

	Operation mode selection
	Set "3" in Pr. 79 "operation mode selection".
	The combined operation mode is selected and the operation status indication "EXT"
2	and "PU" are lit.		Flicker
	Start	Forward
	Turn on the start switch (STF or STR).
		rotation
			Reverse
	Note: The motor does not start if both the forward and reverse rotation switches are		rotation
3
	turned on. If both switches are turned on during operation, the motor		FR-DU04	CONTROL PANEL
	decelerates (when Pr. 250 = "9999") to a stop.				Hz
					V
					A
		ON	MON	EXT	PU
				REV	FWD

4

Running frequency setting

Using the parameter unit, set the running frequency to 60Hz. The operation command indication "REV" or "FWD" flickers.

• Select the frequency setting mode and make step setting.

Note: Step setting is the way of changing the frequency consecutively by pressing

the key. <Step setting>

Hold down the key to change the frequency.

Stop
Turn off the start switch (STF or STR).
The motor stops running.	FR-DU04	CONTROL PANEL
			Hz
5			A
			V
	MON	EXT	PU
		REV	FWD

Note: The stop key is made valid when the Pr. 75 "PU stop selection" value is set to any of 14 to 17.

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