• This signal is output when the output frequency of the inverter falls below the 0Hz Detection Output
Detection Level (ZS) (E199) also when the RUN command is OFF.
• This signal turns ON if the speed command value (output frequency) or the speed detection val-
ue is less than the 0Hz Detection Output Detection Level (E199), and turns OFF if it is at E199 or
higher regardless of the alarm status or free-run after the power is turned ON.
E199
ON ON
ON
Outpu
t frequency
ZS outpu
t
R
UN command
5 Basic Settings
5-72
M1 Series Standard Type User's Manual (I669)
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