5-111
H72 Main Power Down Detection (Mode selection)
H72 monitors the inverter alternate-current input power source, and disables the inverter operation if it is not
established.
Data for H72 Function
0 Disable
1 Enable
In cases where the power is supplied via a PWM converter or the inverter is connected via the DC link bus, there is no
alternate-current input. In such cases, set H72 data to "0," otherwise the inverter cannot operate.
If you use a single-phase power supply, contact your Fuji Electric representative.
H73 to H75 Torque Limiter (Operating conditions, Control target, and Target quadrants) (Refer to F40.)
H76 Torque Limiter (Frequency increment limit for braking) (Refer to H69.)
H77 Service Life of DC Link Bus Capacitor (Remaining time)
H77 displays the remaining time before the service life of DC link bus capacitor expires in units of ten hours.
At the time of a printed circuit board replacement, transfer the service life data of the DC link bus capacitor to the new
board.
- Data setting range: 0 to 8760 (in units of ten hours, 0 to 87,600 hours)
H78, H79 Maintenance Interval (M1), Preset Startup Count for Maintenance (M1) (Refer to H44.)
H80 Output Current Fluctuation Damping Gain for Motor 1
The inverter output current driving the motor may fluctuate due to the motor characteristics and/or backlash in the
machinery (load). Modifying the H80 data adjusts the controls in order to suppress such fluctuation. However, as
incorrect setting of this gain may cause larger current fluctuation, do not modify the default setting unless it is
necessary.
- Data setting range: 0.00 to 0.40
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