Detailed operation by function groups
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ALLS options (FUN_69)
Enable or disable ALLS options. This option is available only when a
multifunction input is set to “Battery Run”.
Hold time at internal FX, RX switching (FUN_70)
When ALLS is enabled, set the hold time (zero-speed time) for direction
switching.
Light load search time (FUN_71)
When ALLS is enabled, set the load search time for the constant operations in
FX/RX directions.
Light load checking time (FUN_72)
Sets the time period for the inverter to detect light load during the light load
search time set at Fun_71.
When forward operation has a lighter load:
The graph below shows an example of an ALLS. In the example, the forward
operation has a lighter load than the reverse operation.
A forward or a reverse ALLS operation is run two seconds after an ALLS [T1]
starts.
When the output frequency reaches the value set at FUN_67 (T2), the operation
speed is maintained for the time set at FUN_71. During this time, a load
detection is performed for the time set at FUN_72 (D1 section). After the time set
at FUN_71 has elapsed, the motor decelerates and stops. The motor remains in
the stopped condition for the time set at FUN_70 (D2 section), and then another
load detection is performed in the other rotational direction until it reaches T3.
•
When the FX/RX operation is complete, the motor stops for the time set at
FUN_70 (T4). Then, the motor runs in the direction with the least load.
•
If a stop command is received during ALLS (T5), the motor decelerates and