Kemppi MinarcTig 180MLP Manual de usuario
1
Service manual
MinarcTig 180MLP
Version 1.0
180MLP
MinarcTig
2
Table of contents
Technical data......................................................................................3
Main circuit diagram........................................................................... 4
Block diagram..................................................................................... 5
Main circuit card Z001
Operating diagram............................................................... 6
Connectors........................................................................... 7
Measurings...........................................................................8
Control card A001
Operating diagram............................................................... 9
Connectors........................................................................... 10
Spark generator card A002
Connectors / operating diagram..........................................11
Panel card P001
Connectors / operating diagram..........................................12
Operating panel................................................................................... 13
Setup....................................................................................................14
Setup functions....................................................................................15-17
Error codes...........................................................................................18
Structure.............................................................................................. 19
Power semiconductors testing and replacing...................................... 20
Programming.......................................................................................21
Troubleshooting...................................................................................22
3
Technical data
Mains voltage 1 ~230 V ±15%, 50 / 60 Hz
TIG
MMA Max. 6,7 kVA (180 A / 17,2 V)
Max. 7,0 kVA (140 A / 25,6 V)
180 A / 17,2 V
120 A / 14,8 V
140 A / 25,6 V
100 A / 24 V
Supply current, I1max TIG
MMA 29 A (180 A/17,2 V)
31 A (140 A/25,6 V)
Fuse 16 A delayed
TIG 35 % ED 180 A/17,2 V
100 % ED 120 A/14,8 V
MMA 35 % ED 140 A/25,6 V
100 % ED 100 A/24 V
Welding range TIG
MMA 5 A/10,2 V-180 A/17,2 V
10 A/20,4 V-140 A/25,6 V
Idle Power TIG
MMA -
25 W
MMA welding electrodes MMA Ø1,5-3,25 mm
Load capacity
Supply current, I1eff TIG
MMA 18 A (120 A/14,8 V)
22 A (100 A/24,0 V)
Connection cable / fuse 3 x 2,5 mm² - 3 m Euro Schuko
Open circuit voltage 95 V
Power ratio at max. current TIG / MMA 0,62 / 0,63
Efficiency at max. current TIG / MMA 0,75 / 0,81
Spark voltage 7-13 kV
External dimensions(L x W x
H) (400 x 180 x 340) mm
Weight 7,8 kg (8,4 kg with supply cable)
Degree of protection IP 23 C
Operating temperature range - 20 °C…+ 40 °C
Recommended generator > 7 kVA
TIG 35 % ED
100 % ED
MMA 35 % ED
100 % ED
Rated power
Load capacity
4
Main circuit diagram
Solenoid valve, Y001 Fan, M001
Main switch, S1
Spark transformer, T003
Choke, L002Main transformer, T001
Aux. transformer, T002
Shunt resistor, R001
PTC, 140 °C
PTC, 120 °C
Control card
Main circuit card
Spark generator card, A002
Panel card, P001
5
Block diagram
Control card A001
Aux. Voltage development
Undervoltage monitoring
Over voltage monitoring
Temperature monitoring
Solenoid valve control
Fan control
Power supply control
Main circuit card Z001
Net over voltage protection
DC-link charging
EMI-filter
Primary rectifier
Energy reserve
”Dual-forward”-inverter
Main transformer
Secondary rectifying
Panel card P001
Adjustment potentiometer
Parameters selection
Overheat protection signal light
Main switch signal light
Spark generator card A002
” Spark voltage generator
(=voltage multiplier)
Spark voltage adjustment
6
Main circuit card Z001
Secondary rectifier
Current transformer,
T1
DC-link charging,
resistors and relay
EMI-filter
IGBTs, gate
resistors, return
current diodes
Main transformer,
T001
Smoothing capasitors
Primary rectifier
Connector to A001
Operating diagram
- Net over voltage
protection
- DC-link charging
-EMI-filter
- Primary rectifier
-Energyreserve
- Dual-forward-inverter
- Main transformer
- Secondary rectifier
Z001
7
Connectors
X16 X5 X1
X12
X2
X3
X11
X15
X14
X13
X9
X10
X4
C
B
A
X1 Power supply voltage 230 Vac
X2 Connector A001
X3 Power supply voltage 230 Vac
X4 Shunt resistor, (-)
X5 Machine body, equipment earth
X9 Aux. transformer T002 supply voltage ~230 Vac
X10 Aux. transformer T002 supply voltage ~230 Vac
X11 Supply voltage to spark generator card A002
Z001 connectors
X12 Supply voltage to spark generator card A002
X13 Secondary choke L002, (+)
X14 PTC, main transformer
X15 PTC, main transformer
X16 Machine body, equipment earth
Measuring point A. X1, X3
Measuring point B. X2/6, X2/12
Measuring point C Primary rectifier
8
Measurings
Measuring point A.
Supply voltage, main circuit card Z001 Measuring point B.
Gate control pulse (X2/6, X2/12), no load
Measuring point C.
DC-link charging (primary rectifier)
9
Control card A001
X13X14
X9
X8
X3
X2
X1
X5
X6
H2
H1
Operating diagram
- Aux. Voltage development
- PWM-control
- Shunt amplifier
- MMA dynamic control
- Solenoid valve control
- Fan control
- Under voltage watch
- Overvoltage watch
- Overheat watch
- Remote/foot control interface
- TIG –torch interface
- Panel interface
- Filtering of control lines
10
Connectors
X1/1 I2 measure
X1/2 U2 measure
X1/3 D1 data
X1/4 D1 data
X1/5 D1 data
X1/6 Torch potentiometer
X1/7 Remote potentiometer
X1/8 Current control
X1/9 D2 data
X1/10 D2 data
A001 / X1
X1/11 D2 data
X1/12 Dynamics
X1/13 Powersource type
X1/14 Pedal start
X1/15 + 5 V
X1/16 GND
X2/1 GND
X2/2 Relay + 24 V
X2/3 -
X2/4 PTC
X2/5 -
X2/6 Gate control
X2/7 Overvoltage, opto
X2/8 Relay on/off
X2/9 U2 measure
X2/10 PTC
A001 / X2
X2/11 -
X2/12 Gate control
X3/1 PTC
X3/2 PTC
A001 / X3
X5/1 GND
X5/2 -
X5/3 24 V
X5/4 Pedal start
X5/5 Remote pot
X5/6 -
X5/7 + 5 V
A001 / X5
X6/1 GND
X6/2 SW 1
X6/3 SW 2
X6/4 Start
X6/5 Potentiometer
X6/6 -
X6/7 + 5 V
A001 / X6
X8/1 21 Vac
X8/2 GND
A001 / X8
X9/1 I1 measure
X9/2 I1 measure
A001 / X9
X13/1 24 V
X13/2 GND
A001 / X13
X14/1 Spark on / off
X14/2 Solenoid valve (+)
X14/3 -
X14/4 Spark on / off
X14/5 Solenod valve (-)
X14/6 -
A001 / X14
H1 Aux. voltage + 5 V (LED)
H2 Aux. voltage + 24 V (LED)
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