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Explanation of functions (parameters)
2
FUNCTIONS
<Setting>
(1) How to change the highest frequency
(2) Adjusting the deviation of the highest frequency from the Pr. 38 (Pr. 39) setting.
(2)-1) Make adjustment with a voltage applied directly across terminals 2-5 (with a
current flowing across terminals 4-5)
(2)-2) Make adjustment at any point without a voltage applied across terminals 2-5
(without a current flowing across terminals 4-5)
(1) How to change the highest frequency
Changing example When you want to use the 0 to 5VDC input frequency setting
potentiometer to change the 5V frequency from 60Hz(factory
setting) to 50Hz
POINT
•Pr. 38 is an extended function parameter. Pr. 30 must be set to "1".
•Change Pr. 38 "frequency setting voltage gain frequency" to 50Hz.
The monitor/frequency setting indication cannot be changed to just 50Hz
... Why?
The calibration parameter C4 "frequency setting voltage gain" value must
be set. (Refer to next page (2).)
REMARKS
To change the value to more than 60Hz, Pr. 1 "maximum frequency" must be set to more than 60Hz.
Confirm the RUN indication and operation
mode indication.
The inverter must be at a stop.
The inverter must be in the PU operation mode.
(Press the .)
2.
MODE
1.
MODE
RUN
PU
EXT
PU
EXT
Press the to choose the parameter
setting mode.
The parameter
number read
previously
appears.
DisplayOperation
4.
SET
Pressing the shows the currently
set value.
SET
3.
Turn the until the
parameter number 38 "frequency
setting voltage gain frequency" appears.
Pr. 30 must be set to "1".
(For the Pr. 30 setting method, refer to
the instruction manual (basic).)
5.
Turn the to change
the set value to .
6. Press the to set the value.
SET
Flicker ... Parameter setting complete!!
SET
SET
SET
By turning the , you can read another parameter.
Press the to show the setting again.
Press the twice to show the next parameter.
"50.0" (50Hz)
(60Hz)