Function Application
‑661‑
● If a command is issued upon power‑on of the AC drive (for example, the terminals
used as the command source are ON before power‑on), the AC drive does not
respond to the command. Instead, the AC drive responds only after the command
is canceled and re‑issued.
● If a command is issued upon fault reset of the AC drive, the AC drive does not
respond to the command. Instead, the AC drive responds only after the command
is canceled and re‑issued.
Related parameter
Para.
No.
Function Default
Value Range Description
F8‑18
Startup protection
selection
0
0: Disabled
1: Enabled
The AC drive comes with startup protection. This
helps to avoid unexpected motor running at
power‑on or fault reset.
3.7.2 Undervoltage and Overvoltage Thresholds and Fast Current Limit
Protection
When the bus voltage falls below A5‑06 or exceeds A5‑09, the AC drive generates an
alarm.
Related parameters
Para.
No.
Function Default
Value Range Description
A5‑06
Undervoltage
threshold
350.0 V 150.0 V to 700.0 V
When the bus voltage falls below A5‑06, the AC
drive generates an alarm (E05.00 to E07.00, or
E09.00).
F9‑04
Overvoltage
threshold
820 V 350.0 V to 820.0 V
When the bus voltage exceeds F9‑04, the AC drive
generates an alarm (E05.00 to E07.00).
A5‑04 Fast current limit 1
0: Disabled
1: Enabled
This function is used to minimize the overcurrent
faults, ensuring normal operation of the AC drive.
Disable this function in hoist applications such as
cranes.
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