4-2 Function Mode •Below is the timing chart where the retry function (b001: 02) is selected. (Example 1) Duration of momentary power interruption interruption (b002) (Example 2) Duration of momentary power interruption > Allowable duration of momentary power interruption (b002) Power supply Power supply Inverter output Inverter output Motor rotation speed Motor rotation speed Free running Alarm ON Alarm ON [t0: Duration of momentary power interruption / t1: Allowable duration of momentary power interruption (b002) / t2:
Retry wait time (b003)] OFF OFF 4 „ Alarm Selection for Momentary Power Interruption/Undervoltage During Stop Functions •Use b004 to select whether to enable an alarm output in case of momentary power interruption or undervoltage. •An alarm output continues while Inverter control power supply remains. Alarm output for momentary power interruption and undervoltage during stop (Examples 3 and 4) (Example 3) b004: 00 (Example 4) b004:
01 Power supply While the Inverter is stopped ON ON Power supply While the Inverter is running RUN commands OFF ON OFF RUN commands OFF ON OFF Inverter output Inverter output Alarm ON OFF Alarm ON OFF 4-26 Free t0 t1 t2 t0 t1 While the Inverter is stopped While the Inverter is running Power supply ON Power supply ON OFF OFF RUN commands ON RUN commands ON OFF OFF Inverter output Inverter output AlarmON AlarmON OFF OFF