Control card A001 layout (Master / Mastertig 2800/3500)
R33 Maximum current
R53 MMA ignition current
R72 Minimum current
R75 Inverter frequency
R93 Set value min. (TIG)
Closed
X18 MMA
Open
X18 Scratch-TIG
X15 Net voltage 3∼ 400 V
X15 Net voltage 3∼ 460 V
X16 Net voltage 3∼ 460 V
X16 Net voltage 3∼ 400 V
X17 OCV approx. + 80 V
X17 OCV approx. + 40 V
X2 X3
X1
X12
X13
X10X11
R70
X17
X16
X15
X18
R48
R47
R98
R49
X8 X4X5
X14
X20
X2 X3
R53
X16
X15
X17
R75
R93R33
R72
X18
3
.
1
5
A
T
3
.
1
5
A
T
X1
X12
X13
X14
X10X11
X8 X4X5
MSD 1-meter unit layout (Master / Mastertig 2800/3500)
R3 Set value current minimum
R4 Set value current maximum
R5 Voltage
R6 Current
X3 Short circuit loop must be disconnected in
Mastertig 2800 / 3500-power sources
X4 Machine size coding
(Master and Mastertig 2800 / 3500)
X1
R4
R6R5R3
X4
X3
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