
15
Figure 2-5. MultiPower 460
7. INDUCTANCE TRIM
This control is deactivated in the TIG and STICK modes.
Inductance is used to optimize short circuiting arc performance by changing
the current rise and fall time of each short circuit. This results in improved
spatter control, weld bead wetting and arc stability. The short circuiting Mig
arc performance will change from a high short circuit frequency, fast reacting
arc, to a lower short circuit frequency, soft and less spattering arc as the dial
is turned clockwise. The optimized arc performance will vary depending on
shielding gas, wire type and wire diameter. The operator can adjust this
control to optimize welding characteristics.
D. POWER SOURCE FRONT PANEL DESCRIPTION
(Refer to Figure 2-5)
1. POWER ON/OFF SWITCH & LAMP
The main power switch is located on the right front panel of the power source.
This switch energizes the main transformer, control circuitry and illuminates
the Power “ON” lamp.
2. WIRE FEEDER CONTROL RECEPTACLE
This 19-pin receptacle (J1) accepts the control cable from the wire feeder and
handles all the control signals needed to operate a 42 Vac wire feeder.
3. REMOTE CONTROL RECEPTACLE
This receptacle (J2) is provided for an optional 14-pin control cable from the
optional remote pendant, Tig torch control or foot control . This receptacle
is operative only if the PANEL/REMOTE switch on the power source front
panel is in the "REMOTE" position.
DESCRIPTION
SECTION 2
Main Power
On/Off Switch
Control Panel
Circuit
Breakers
CB1 & 2
Contactor On/Off
Switch
Remote Pendant
Connection
115 Vac
10 Amps
Receptacle
Output
Connections
19-pin Receptacle
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