3-38
Param-
eter
No.
MemoChan-
ges
during
opera-
tion
Default
setting
Set-
ting
range
DescriptionNameRegis-
ter No.
(Hex)
n169 01A9 Output open-
phase detec-
tion time
(See note 1.)
Sets the output open-phase detec-
tion time in units of seconds.
If “0” is set, the output open-phase
detection function will be disabled.
Recommended setting: 0.2 (s)
0.0 to
2.0
0.0 No
n170 --- Enter com-
mand (Save
to EEPROM)
receive
condition
(DeviceNet
and
RS-422A/485
communica-
tions)
0: Disable Enter command reception
during operations
1: Always enable Enter command
reception
0, 1 0 No
n171
to
n174
--- Not used --- --- --- ---
n175 01AF Low-speed
carrier fre-
quency re-
duction
selection
This function automatically reduces
the carrier frequency to 2.5 kHz if
the output frequency is 5 kHz or
less, and the output current is 110%
or greater than the rated Inverter
current. Normally this setting is not
necessary. This function improves
the overload capacity at low fre-
quencies.
0: Disables low-speed carrier fre-
quency reduction.
1: Enables low-speed carrier fre-
quency reduction.
Note Normally, it is not necessary
to change the default setting.
Note This function is enabled if
n080 (carrier frequency) is set
to 2, 3, or 4.
0, 1 0 (See
note 2.)
No
Note 1. Available for 5.5-kW and 7.5-kW Inverters only.
Note 2. The default setting for 5.5-kW and 7.5-kW Inverters is “1.”
List of Parameters Chapter 3
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