Parameter details
93
3
3.5.9
Instantaneous power failure detection hold
signal (Pr.44)
• The Instantaneous power failure detection hold (Y16) signal turns ON when the Instantaneous power failure (IPF) signal
turns ON during the converter operation. The Y16 signal turns OFF when a converter reset is performed or
Pr.44
is set to
"0".
• For the terminal used for the Y16 signal, set "16 (positive logic)" or "116 (negative logic)" to any of
Pr.11, Pr.12, and Pr.16
(Output terminal function selection)
.
NOTE
•
Pr.44
always reads "9999." The Y16 signal does not turn OFF even if "9999" is set in
Pr.44
.
• Changing the terminal assignment using
Pr.11, Pr.12, and Pr.16 (Output terminal function selection)
may affect the other
functions. Set parameters after confirming the function of each terminal.
Use this function to check the history of instantaneous power failures.
Pr.
Name
Initial value
Setting range
Description
44
Instantaneous power failure
detection signal clear
9999
0
Turns OFF the Instantaneous power failure
detection hold (Y16) signal.
9999
Function disabled.
ON
ON
OFF
OFF
Write Pr.44 = "0".
IPF signal
Y16 signal
ON
OFF
ON
OFF
OFF
ON
OFF
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