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Before Powering And Starting Operation - Mitsubishi Electric FR-XC-18.5K-PWM Instruction Manual

Fr-xc series multifunction regeneration converter
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Before powering and starting operation

2.13
Before powering and starting operation
2.13.1
Installation
Check the following points before powering and starting operation of the converter.
Make sure that the converter is installed in a proper location and manner. (Refer to
• Confirmation of wiring
Make sure that wiring of the main circuit and the control circuit is proper.
Make sure that the installed option and peripheral devices are appropriate and the wiring of them is proper. (Refer to
57.)
2.13.2
Powering
When the charge lamp and the operation status 7-segment LED display turn ON properly after powering the converter, the
converter is ready.
The operation status LED display shows the following after powering the converter.
2.13.3
Operation
Turn ON the start signal of the inverter. The motor starts acceleration until its speed is constant. All this while, the operation
status LED display keeps displaying input power value (power driving).
Turn OFF the start signal of the inverter. The motor starts deceleration to a stop. The converter operation status changes
according to the amount of regenerative power. During regenerative driving, the regenerative drive indication (a decimal point
LED) is ON as shown below.
NOTE
• It is not a fault if noise comes from the dedicated reactor during regenerative driving of the converter (in other words, it is a
fault if noise comes despite the stop state of the converter by the Converter stop (SOF) signal).
• If needed, devise methods of reducing noise by modifying the enclosure in which the reactor is installed.
72
INSTALLATION AND WIRING
LED display
indication
During initialization
Converter status
after power-on
∗ An example of the indications of power value.
LED display
Input power value
indication
is displayed as a percent.
During power driving.
Converter status
*
Normal
(ready for
power driving)
∗1
Input
∗2
∗2
power value
During regenerative driving.
The regenerative drive
indication (a decimal point LED)
is ON during operation.
∗1 An example of the indications of power value.
∗2 A rate of input power compared against the
rated capacity is displayed in 10% increments.
For example, the indication "12" displayed in
the LED indicator corresponds to 120%.
page
29.)
Regenerative
drive indication
page

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