K8AC-H
16
Operating Procedures
Moving between Modes
To Adjust Mode
When the
L
key is pressed for one second in Run Mode, the 7-
segment display will begin to flash. If the key is held down for another
two seconds, the mode will be switched to Adjust Mode.
To return to Run Mode from Adjust Mode, press the
L
key for at least
one second.
To Protection Settings Mode
When the
L
and
M
keys are pressed for one second in Run Mode,
the 7-segment display will begin to flash. If the keys are held down for
another five seconds, the mode will be switched to Protection Settings
Mode. To return to Run Mode from Protection Settings Mode, press
L
and
M
keys for at least one second.
To Gate Mode
When the
D
key is pressed for at least one second in Run Mode, the
mode will be switched to Gate Mode. To return to Run Mode from
Gate Mode, press the
D
key for at least one second.
To Test Mode
When the
S
key is pressed for at least one second in Run Mode, the
mode will be switched to Test Mode. To return to Run Mode from Test
Mode, press the
S
key for at least one second.
To Set Mode (Password Input)
A special operation is required to move to the Set Mode.
Use the following procedure.
Setting the Parameter
The value set for each parameter is called the “set value.” Set values
include both numbers and characters.
The status when a set value is displayed is called “monitor status,”
and when it can be changed it is called “change status.”
Use the following procedure to display and change set values.
Procedure
1234
1234
Hold down for at
least another 2 s.
Password: 0169
When the key
is released
Power ON
Run Mode
Test Mode
Adjust Mode
Set Mode
Protection
Settings Mode Press the
L
and
M
keys for at
least 1 s.
Press the
L
and
M
keys for
5 s.
Press the
L
key for
at least 1s.
Press the
L
key
for at least 1 s.
Press the
S
key for at least 1 s.
Press the
L
key
for at least 1s.
When the
key is
released
Press the
S
key for at least 1 s.
Press the
L
and
M
keys.
Press the
D
key for at least 1 s.
Press the
D
key for at least 1 s.
Gate Mode
init
Set Mode
Next parameter
in Adjust Mode
0
0
000
0
000
016
9
0
amoV
amoV
M
M
M
M
S
S
0169
S
When password
is incorrect
When password
is correct
Move to the Adjust Mode and use the
M
key to
display the parameter for moving to the Set
Mode.
·
The parameter characters are "
amoV
".
A.
Press the
S
key to display the set value
(password).
B.
Press the
S
key again to enable changing
the password.
C.
Use
U
,
D
, and
S
keys to set the password.
The password is 0169.
·
Press the
M
key.
·
If the password is correct, the mode will change to
the Set Mode.
·
If the password is incorrect, the next parameter will
be displayed while still in Adjust Mode.
D.
Procedure
Monitor status
Change status
To next parameter
Use the
S
,
U
, and
D
keys to change
the set value.
2000
2
000
al-1
M
M
M
M
S
S
Press the
S
key while a parameter is displayed to
go into monitor status. The set value for that
parameter will be displayed.
A.
If the set value is not to be changed, press the
M
key while in monitor status to switch to the next
parameter.
B.
Press the
S
key again while in monitor status to
enable the changing set value.
· The place where the set value can be changed will
begin to flash.
C.
Press the
M
key to save the changed set value in
internal memory and switch to the next parameter.
· Changed set values will not be saved in memory if
the mode is changed by another key operation
without first pressing the
M
key.
E.
Use the
S
,
U
, and
D
keys to change the set
value.
D.
Note:
If a set value is out of
range, either too high or too
low, the maximum or
minimum value will
automatically be set. For
models with a current input
of 0.200 to 2.200 A, for
example, the maximum
value is 2.200 and the
minimum value is 0.200.
