E6582062
10-11
10. Selection and installation of peripheral devices
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10. 3. 2 Braking resistor, Braking unit
It is a resistor to consume regenerative energy from a motor.
When making frequent rapid deceleration and stop, it is used to shorten deceleration time with load in
large inertia.
A braking unit is necessary in addition to a braking resistor for the frame size A6 and A8.
For details on using a braking resistor, refer to [6. 15. 4].
10. 3. 3 Motor-end surge voltage suppression filter
When operating a 480 V class general purpose motor with a voltage type PWM control inverter that
uses high speed switching element (IGBT, etc.), surge voltage exceeding the insulation level of motor
winding is generated depending on power supply voltage, motor wire length and its laying method, and
type. When the condition is repeatedly applied for a long time, it may cause deterioration of insulation
on the motor.
Such measures as installation of an AC reactor, surge voltage suppression filter on the inverter output
side (secondary side), and use of a high insulation strength motor are necessity.
• To be installed floor horizontal mounting.
• To be used that carrier frequency is 15kHz or less, and output frequency is 60Hz or less.
For details of carrier frequency, refer to [6. 14].
10. 3. 4 Optional control power supply
This inverter supplies control power supply from the power supply inside the inverter. When control
power supply is backed up with this option, display and output signal can be maintained in case of
power supply shut off.
• It is common with 240 V/480 V class.
• Type-form: CPS002Z
10. 3. 5 LED extension panel option
It is an extension panel for LED display. A specific cable is used to connect between the inverter and
LED panel.
When using this panel, remove the standard operation panel, and connect to the RS485 communica-
tion connector 1.
• Panel type-form: RKP002Z
Specific cable type-form: CAB0011 (1 m), CAB0013 (3 m), CAB0015 (5 m)
• Panel type-form: RKP007Z
Specific calbe type-form: CAB0071 (1 m), CAB0073 (3 m), CAB0075 (5 m)
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