Chapter 5 Parameter Introductions
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123
2: once trip-free, give Uu alarm
P1.16 Trip-free time
Range: 0.5-10.0s【This value depends on the ac
drive model】
Note:
◆If having the speed track optional parts, P1.15 could set to 1 or 2.
◆If under voltage occurred in trip-time, the ac drive will display Uu alarm only, and the
motor cannot startup at this time. As shown in Fig. 5-1-7:
◆If under voltage occurred in running, the ac drive will display “Uu” alarm and “Uu1”
fault, as shown in Fig.5-1-7. And PWM output inhibited, motor runs at zero-speed. If
the voltage recovered, “Uu” alarm will disappear,
If Uu1 fault occurred, the ac drive will stop. If the voltage continues to drop to below
300V, a failure history record or a fault output will not happen. However, if the voltage
restored, the system will record the Uu1 fault.
Power 1 ON
OFF
ON
Trip-free
time
Treatment 0 RUN
Treatment 1 RUN
Treatment 2 RUN
Uu1 Uu1 Uu1 ... Recorded
Uu
Ze ro-spe e d
Uu1 Uu1 ... Recorded
Uu Uu Not record
Ze ro-spe e d
Zero-sp eed
Power 2 ON
OFF
Trip time
Treatment 0 RUN
Treatment 1 RUN
Treatment 2 RUN
Uu1 Uu1 Uu1 ... Not recorded
Uu
Zero-speed
Uu1 Uu1 ... Not recorded
Uu Uu Not recorded
Zero-speed
Zero-sp eed
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