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Speed setting by analog input (terminal 2, 4)
4.14.5 Speed setting signal (current) bias/gain adjustment method
(a)Method to adjust any point by application of voltage (current) across the terminals 2 and 5 (4 and 5).
Follow the following procedure to adjust the bias and gain of the speed setting voltage (current) using the operation
panel.
for the details of parameters.
Operation Display
1.
Confirm the operation status indicator and
operation mode indicator
The drive unit should be at a stop.
The drive unit should be in the PU operation
mode.
(Using )
2.
Press
to choose the parameter setting
mode.
PRM indicator is lit.
(The parameter number read previously appears.)
3.
Turn
until "
" appears.
4.
Press
to display "
".
5.
Turn
until "
" ("
")
appears.
Set to
C4
Terminal 2 speed setting gain.
Terminal 2 input is
selected
Terminal 4 input is
selected
6.
Press
to display the analog voltage
(current) value (%).
Analog voltage (current)
value (%) across terminals 2
and 5 (across terminals 4
and 5)
7.
Apply a 5V (20mA) voltage (current).
(Turn the external potentiometer connected
across terminals 2 and 5 (across terminals 4
and 5) to maximum (any position).)
* The value is nearly 100 (%) in the maximum position of
the potentiometer.
8.
Press
to set.
Terminal 2 input is
selected
Terminal 4 input is
selected
Blink...Parameter setting complete!!
* The value is nearly 100 (%) in the maximum position of
the potentiometer.
Turn
to read another parameter.
Press
to return to the "
" indication (step 4).
Press
twice to show the next parameter ("
").
REMARKS
If the speed meter (display meter) connected across the terminals FM does not indicate exactly 3000r/min, set the
calibration
parameter C0 FM terminal calibration
.
If the gain and bias of speed setting voltage (current) are too close, an error ("
") may be displayed at setting.
C0 to C7 settings
are enabled.
NOTE
After performing operation in step 6, do not touch
until completion of calibration.
Содержание FR-D720-0.2K-G
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Страница 294: ...291 APPENDIX This chapter provides the APPENDIX of this product Always read the instructions before using the equipment ...