
ARCMASTER 185 AC/DC
2-4
Feb
r
ua
r
y 20, 2006
2.06 Functional Block Diagrams
Figu
r
e 2-2 illust
r
ates the functional block diag
r
am of the 185 AC/DC-powe
r
supply.
Main
Circuit
Switch
Filter
Input
Diode
Primary
Capacitor
DC Power
Voltage
Sensor
IGBT
Inverter
Thermal
Detector
To each control circuit
+/-15VDC +18VDC
+24VDC +5VDC
Trouble
Sensing
Circuit
Drive
Circuit
Torch Control
Connection
(CON1)
circuit
Current
Adjustment
Reference
Adjustment &
Mode select Switches
Panel Circuit Board
Sequence
Control
Themal
Sensor
Circuit
Main
Transformer
(PCB14)
Output
Diodes
HF-UNIT
Control
Circuit
Stick Mode
VRD
Sensing
Circuit
Lift T ig Mode
Output Short
Sensing
Circuit
Coupling
High
Coil
Frequency
Unit
Fan Control
Circuit
Gas Control
Circuit
Fan
Solenoid
Hall Current
Transformer
(HCT1)
Output
Inductor
Thermal
Detector
+
-
+
-
Input
Power
Secondary
DC Power
Voltage Sensor
To each control circuit
+/-12VDC +15VDC
Secondary
IGBT
Inverter
Drive
Circuit
Primary
Current
Sensor
Art # A-07267
Figu
r
e 2-2: 185 AC/DC Model Functional Block Diag
r
am
2.07 Transporting Methods
This unit is equipped with a handle fo
r
ca
rr
ying pu
r
poses.
!
WARNING
ELECTRIC SHOCK can kill. DO NOT TOUCH
live elect
r
ical pa
r
ts. Disconnect input powe
r
conducto
r
s f
r
om de-ene
r
gized supply line
befo
r
e moving the welding powe
r
sou
r
ce.
!
WARNING
FALLING EQUIPMENT can cause se
r
ious
pe
r
sonal inju
r
y and equipment damage.
• Lift unit with handle on top of case.
• Use handca
r
t o
r
simila
r
device of adequate capacity.
• If using a fo
r
k lift vehicle, place and secu
r
e unit on a
p
r
ope
r
skid befo
r
e t
r
anspo
r
ting.
Summary of Contents for ARCMASTER 185 AC/DC
Page 24: ...ARCMASTER 185 AC DC 3 6 February 20 2006 NOTES ...
Page 34: ...ARCMASTER 185 AC DC 5 2 February 20 2006 NOTES ...
Page 58: ...ARCMASTER 185 AC DC 11 4 February 20 2006 NOTES ...
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