- 14 -
12. Manual operation
The device is equipped with two modes of automatic operation by control input and manual operation (hereinafter referred to as
“
manual operation
”
):
one by manual setting device and the other by key operation.
If performing manual operation or deciding output characteristics by test operation, you can control output manually.
Operation is set to automatic operation when shipped from the factory. When the power is turned on, the device is therefore controlled by control input.
12-1. Manual operation
With manual operation, the desired operation amount is controlled manually.
Manual operation includes key operation and operation by external adjuster VR3.
During manual operation, the first manual dot of data display for the manual output screen group flashes.
Note: If you set to
by key sequence
‘
2-2. Di function selection
’
and short the C2 and C3 terminals,
you cannot switch to manual operation by key operation.
If you set to
by key sequence
‘
2-2. Di function selection
’
and short the C2 and C3 terminals,
you cannot switch to manual operation by key operation.
Manual operation cannot be conducted if you select contact 2-position control input
by
key sequence
‘
2-1. Control input type selection.
’
Note: Since output is limited when the current limit function is operating, although the amount of manual operation by key is indicated in the manual
operation output display, it may differ from the actual output value.
Note: Ramp lower limit setting, ramp higher limit setting, scale lower limit setting and scale higher limit setting are disabled during manual
operation.
1) Manual operation by key
Press and hold
on the basic screen for at least 2 seconds.
0-0. Basic screen
↓
Press and hold
for 2 seconds.
2 seconds
Displayed for approximately 1 second.
↓
Release
3-1. Manual output display
Output is up by
, and down by
.
Manual operation can be conducted by key sequence
‘
3-1. Manual output display.
’
2) Manual operation by external adjuster VR3 (if
is selected by key sequence
‘
2-1. Di function selection
’
)
Shorting the C2 and C3 terminals selects external adjuster VR3.
In this case, the manual operation screen group can no longer be selected by key operation.
4
6
R1
R3
䐠
䐡
䐟
VR3
B10k
䃈
8
M2
Auto/manual
switching
input
3
2
C2
C3
Allocation Terminal
block No.
Terminal
symbol Adjuster No.
VR3
2
3
4
8
6
C2
C3
R1
M2
R3
䐟
䐠
䐡
Manual power adjuster terminal block layout
Note: Operation would become as given in External adjuster error table 4 if the external adjuster were broken.
Note: When operation is switched from control input to manual operation by key, manual operation is set from the output values before switching.
If switched from manual operation by key to control input operation, operation is executed by control input values immediately after switching
(output values are not carried over).
Note: During manual operation (using VR3), an input-error message is displayed. To disable the dis
play setting in manual operation (VR3), set the key sequence ‘2
-6.
Input error display setting’ to “
.”
Due to the current limit function, actual output phase angle may not increase even if manual output is increased by the external adjuster VR3.
External adjuster error table 4
VR3
Output
ձ
Break
100%
ղ
Break
0%
ճ
Break
0%