4−45
Analog Command Hold
This function allows you to make the inverter hold the analog command input via the
external analog input terminal when the AHD terminal is made ON.
While the AHD is turned ON, the up/down function can be used based on the analog
signal held by this function as reference data.
When “01” is specified for Up/down
memory mode selection (C101), the result
of up/down processing can be stored in
memory.
If the inverter power is turned on or the
RS terminal turned off with the AHD
terminal left turned on, the data held
immediately before power on or turning
off the RS terminal will be used.
Set frequency remains when the inverter is switched with SET terminal with AHD on.
Turn AHD terminal off to re-hold the set frequency.
Frequent use of this function may result in a shorter in memory component of the
inverter.
Option
Code
Terminal
Symbol
Function Name State Description
65
AHD Analog command hold ON Hold the analog input value
OFF Does not hold the analog input value
Valid for inputs:
C001~C007
Example (default input configuration
shown—see page 3–84):
See I/O specs on page 4–6.
Required settings
Notes:
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