IS-120B
4. How to Operate Screens
4-2
(
a
)
CONTROL #
Input the identification No. of your
IS-120B
.
If you have two or more units of
IS-120B
, input 0001 for the first one, 0002
for the second one, 0003 for the third one, and so on.
(
b
)
PROGRAMED DATE
Input the date when the data is set.
(
c
)
POWER SOURCE FREQUENCY
The frequency of the welding power is measured and indicated
automatically.
(
d
)
WELD POWER FREQUENCY
Change the output frequency of the inverter power supply of
IS-120B
with
dip switches in the body. The frequency set with the dip switches is indicated
as the
WELD POWER FREQUENCY
.
(
It is set to 1000Hz when
delivered.
)
(
e
)
MA-627A ROM VERSION #
The ROM version No. of program unit
MA-627A
is indicated.
Number goes into mark
and alphabet goes into mark
.
(
f
)
IS-120B ROM VERSION #
The ROM version No. of
IS-120B
is indicated.
Number goes into mark
and alphabet goes into mark
.
When changing the output frequency of inverter, be sure to check that the
output frequency of inverter power supply is higher than the frequency of
welding transformer. If the frequency of transformer is higher, it will cause
damage to the device.
DIP switch setting
Printed circuit board
Ｏ
Ｆ
Ｆ
１
２
３
４
５
６
７
８
Setting to 1000Hz
Ｏ
Ｆ
Ｆ
Ｏ
Ｆ
Ｆ
Setting to 800Hz Setting to 600Hz
IS-120B
rear
Make sure the DIP switches
are set correctly.
When changing
over DIP switch,
take care not to
damage circuit
board.
１
２
３
４
５
６
７
８
１
２
３
４
５
６
７
８
DANGER
!
