Mitsubishi FR-E520-0.1K-NA - External Operation Mode (Operation Using the External Frequency Setting Potentiometer and External Start Signal)

59
3.3.2 External operation mode (Operation using the external
frequency setting potentiometer and external start signal)
(
1
)
Operation at 60Hz
Operation command: Externally connected start signal.
Frequency setting: Externally connected frequency setting potentiometer
Step Description Image
1
Power on
→
Operation mode check
With the factory setting, the external operation mode is
selected and the [EXT] indication is lit when power is
switched on. If the [EXT] indication is not lit, refer to page
54 and set "2" in Pr. 79.
ON
EXT
Start
Set the start switch (STF or STR) to ON.
The [RUN] indication is lit to indicate forward rotation, or
flickers to indicate reverse rotation.
Note: The motor does not start if both the forward
and reverse rotation switches are turned on. If
both switches are turned on during operation,
the motor decelerates to a stop.
2
Hz RUN
MON
EXT
Forward rotation
Reverse
rotation
3
Acceleration
→
Constant speed
Slowly turn the potentiometer connected across terminals
2-5 (frequency setting potentiometer) fully clockwise.
The frequency shown on the display increases gradually to
60.00Hz.
External potentiometer
4
Deceleration
Slowly turn the potentiometer connected across terminals 2-5
(frequency setting potentiometer) fully counterclockwise.
The frequency shown on the display decreases gradually
to 0.00Hz.
The motor stops running.
External potentiometer
5
Stop
Turn off the start switch (STF or STR).
OFF
Forward rotation
Stop
Reverse
rotation
<Reference> If other frequency is required at fully clockwise position, change Pr. 38
"Frequency at 5V (10V)" setting.
(Refer to page 160)
3