A001 Control Card - Kemppi Mastertig MLS 3003 ACDC Service Manual

A001 Control card

Functions and connectors
A001 Control Card Main Functions
- current control (primary X4, secondary X8)
- spark control (X7)
- secondary inverter control (X2)
- pre- inverter (pfc) and charge relay control (X5)
- panel interface (X1)
- magnetic valve control (X9)
- fan control (X9)
- interface to water cooling unit (X10)
- secondary over voltage fault (X3, X2-6)
- over temperature fault (X6, X11, X18)
- gate voltage fault
- 15V and 5V generation
- location of software
X16 jumper on = "mains switch always on"
Factory settings
- X16 = off
- X14 = off
- X20 = off
- X19 = on
- R108 = 25kHz
R108 = "switching frequency adjust"
X14 jumper on = "no over or under voltage error"
X20 jumper on = "fixed frequency 25kHz"
X19 jumper on = "no frequency sweep"
H10 = HF (spark)
H11 = secondary aid-
MLS3000 = R96 on / MLS3003 R96 off
X9 X11
X5 X4
X18
X1
X2
X3
X8
X6
X7
X10
X17
H4 = gate drive on
H2 = output over
voltage
H1 = pre inverter (pfc) on
H8 = secondary dc-
H9 = secondary aid+
H6 = secondary dc+
X12
H3 = +15Vdc
H7 = +24Vdc
H5 = +5Vdc
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