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Input/Output Open-phase Detection
Constant
No.
n166
Input
Open-phase
Detection Level
n167
Input
Open-phase
Detection Time
n168
Output
Open-phase
Detection Level
n169
Output
Open-phase
Detection Time
* 1. Not detected when set to 0 %.
* 2. Not detected when set to 0.0 s.
The recommended settings for input open-phase detection are
n166=7 % and n167=10 s.
(Open-phase cannot be detected correctly depending on the load status.)
The recommended settings for output open-phase detection are
n168=5 % and n169=0.2 s.
178
Name
Unit
1 %
1 s
1 %
0.1 s 0.0 to 2.0 s
Setting Range
*1
0 to 100 %
400.0 V/100 %
(200 V Class)
800.0 V/100 %
(400 V Class)
*2
0 to 255 s
*1
0 to 100 %
Inverter's rated output cur-
rent/100 %
*2
Factory
Setting
0 %
0 s
0 %
0.0 s
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