No.IP8S-OM00009
64
<(C40/C50) Input current
calibration
*25
>
<(C60) Balance current
confirmation
*26,*27
>
Check the torque motor balance current adjustment condition. If
adjustment is good (Good), balance current is correctly adjusted. If
high (HI) or low (Lo), readjustment is necessary so that the balance
current condition becomes good (Good).
Procedure
LCD display
1
Press the UP or DOWN button
( ) at calibration mode. After
selecting balance (bAL), hold down
the set button ( ) for 1sec. or
longer.
2
The LCD displays go (Go) is for
confirmation. Confirm there are no
hazardous conditions due to the
actuator startup, and then press
and hold down the set button
( ) for 1sec. or longer
*28
.
3
During
balance
current
confirmation, bar (----) is displayed.
4
After the actuator stop operating,
LCD display is switched from bar
(----). When
good
(Good)
is
displayed,
balance
current
is
correctly adjusted. If high (HI) or
low (Lo) is displayed, readjust the
current value by rotating the
balance adjusting screw
*29,*30
.
5
Press the mode button ( ) to
return to the calibration mode
selection screen.
26: This adjustment becomes available only after initial adjustment.
27: This function may not work due to hunching if user change PID
constant.
28: The actuator operate abruptly after holding down the button. Do not
touch the actuator and positioner.
29: See fig.18 for the balance adjusting screw location.
30: 1 to 6 bars (-) are displayed to the side of high (HI) or low (Lo). The
number of bars tells how close the current adjustment is to good
(Good); Six bars is closest, and one bar is furthest. Rotate the
balance
adjusting
screw
clockwise
for
high
(HI)
and
counterclockwise for low (Lo) until good (Good) displays. When the
balance adjusting screw is turned, bars (----) show up to check the
adjustment condition. Do not turn the balance adjustment screw
until the condition is decided.
+
or
+
Warning
!
4mADC and 20mADC of input current can be calibrated. This is not
necessary usually.
25: For adjustment procedure,
see “5. Input current calibration” of
“
■
Initial Adjustmen
t”.
Содержание IP8001 Series
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