Operating Instructions
Descriptions of Parameter Settings
Descriptions of Parameter Settings
175 | 443
Pr.
Explanation
Settings
Default
06-42
Drive status at malfunction
0000h–FFFFh
Read only
When a malfunction occurs, check the current drive status (communication address 2101H). If it happens again, it
overwrites the previous record.
Pr.
Explanation
Settings
Default
06-44
STO latch selection
0: STO latch
1: STO no latch
0
● Pr.06-44 = 0: STO Alarm Latch. After you clear the cause of the STO Alarm, use a Reset command to clear the
STO Alarm.
● Pr.06-44 = 1: STO Alarm no Latch. After you clear the cause of the STO Alarm, the STO Alarm clears
automatically.
● All of the STL1–STL3 errors are “Alarm Latch” mode (in STL1–STL3 mode, the Pr.06-44 function is not
available).
Pr.
Explanation
Settings
Default
06-45
Output phase loss detection
action (OPHL)
0: Warn and continue operation
1: Fault and ramp to stop
2: Fault and coast to stop
3: No warning
3
The OPHL protection is enabled when Pr.06-45 is not set to 3.
Pr.
Explanation
Settings
Default
06-46
Detection time for output phase
loss
0.000 to 65.535 sec.
0.500
06-47
Current detection level for output
phase loss
0.00 to 100.00%
1.00
06-48
DC brake time for output phase
loss
0.000 to 65.535 sec.
0.000
● Setting Pr.06-48 to 0 disables the OPHL detection function before operation.
● Status 1:
The drive is in operation
When any phase is less than the Pr.06-47 setting, and exceeds the Pr.06-46 setting time, the drive executes
according to the Pr.06-45 setting.










