Internal Adjusting Knob Functions; Internal Selector Switch Functions - YASKAWA MOTOWELD-T300D Instructions Manual

10.2 Internal Adjusting Knob Functions

Adjustment of Pre-flow Time (VR14)
Pre-flow time can be adjuted in the range of approx.0.1 to 0.5 second. The factory setting
is 0.2 second. If it should be longer, use the knob VR14 on printed board Pr (MB2) to set
the proper time.

10.3 Internal Selector switch Functions

The following lists the selector switches on printed board Pr (MB2).
SW No. Factory
Setting
JS1 EP1
N
JS2
(Shortcircuit)
JS5
3φ
JS6 EN
(Shortcircuit)
JS8 M
JS9 IP
(Shortcircuit)
(Shortcircuit)
J10
Can change the current values of EP and EN at AC welding.
Display
EP1
I = I (factory setting)
EP EN
EP2
I = I /1.5
E P EN
Manufacturer's settings. Cannot be selected.
Manufacturer's settings. Cannot be selected.
Manufacturer's settings. Cannot be selected.
Can change the strength of arc start.
Display
H
To strengthen arc start more
M
Factory setting
L
To prevent a small base metal from melting down or a thin
plate from getting a hole.
Can select whether welding is to be started from base current or pulse current at
pulse welding.
Display
IP
Staring from pulse current. (factory setting)
IB
Starting from base current.
Manufacturer's settings. Cannot be selected.
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Details
Function
Function
Function