IS-120B
4. How to Operate Screens
4-8
(
f
)
HEAT
Set the welding current for
WE1
and
WE2
respectively.
When
CTRL
is changed, the items to be set are changed.
Primary constant-current effective value control
Effective value of current
Secondary constant-current effective value control
Effective value of current
Secondary constant-power effective value control
Effective value of electric power
Primary constant-current peak value control
Peak value of current
Secondary constant-voltage effective value control
Effective value of voltage
Constant-phase control
Fixed % of pulse width
(
g
)
PULSATION
Set the number of repeating time in weld time of
WE2
(
See the figure below
)
.
The welding current will flow by the set number of time.
(
h
)
VALVE #
Up to two valves
(
welding heads
)
can be connected to
IS-120B
. Set the valve
to use.
(
i
)
GAIN
(
1- 9
)
Sets the amount of feedback correction in various controls. Though
1
is
normally used, the larger value will give the shorter rise time.
(
j
)
WELD ON/OFF
This is one of the settings required to turn on
[
READY
]
lamp of
IS-120B
(See
3.(1)
②)
.
SQD
SQZ
WE1
COOL
WE2
HOLD
Welding current
Time chart obtained when PULSATION is set to "3"
HEAT
(WE1)
HEAT
(WE2)
VALVE output
1st
time
2nd
time
3rd
time
