Name: Kemppi FastMig X 450
Brand: Kemppi
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SERVICE MANUAL

FASTMIG X

8 (37)

Kemppi OY

3. DC-LINK CAPACITOR CARD Z002

3.1. Capacitors (C1-C8) and discharge resistors (R1-R4)

• The purpose of the DC-link capacitors (C1-C8) is to provide energy storage and low impedance voltage source for the

power stage. Resistors (R1-R4) discharge DC-link capacitors when power source is switched off.

3.2. Connectors

Connector Description

X1 DC-link voltage (+)

X2 DC-link voltage (+)

X3 DC-link voltage (-)

X4 DC-link voltage (-)

Table of Contents3
Fastmig X 4506
Technical Data6
Main Circuit Diagram7
- Forced Cooling Components7
- Control Side Devices7
- Overheat Protection Ptcs (Rg101, Rt101, Rg201)7
Main Circuit Card Z0018
- EMI Filtering8
- Three Phase Rectifier V68
- Turn-On Transient Suppression8
- Current Transformer (T1)8
- Power Stage(IGBT)8
- Connectors9
DC-Link Capacitor Card Z00210
- Capacitors (C1-C8) and Discharge Resistors (R1-R4)10
- Connectors10
Secondary Rectifier Card Z00311
- Connectors11
Secondary Cut off Card Z00412
- Connectors12
Gate Driver Card A00113
- Auxiliary Power Supply13
- IGBT Driver1113
- Auxiliary Device Connection13
- Voltage Monitoring13
- Leds14
- Connectors14
Processor Card A00216
- Power Supply16
- Microcontroller16
- FPGA (Field Programmable Gate Array)16
- Cut-Off Card Connection17
- Analog (Current and Secondary Voltage Measurements)17
- Machine Size Jumpers J1, J217
- Power Source X 450 Has a Jumper Fitted between Connector X9:2, 517
- Primary Current Limit17
- Connectors18
System Card A00319
- Power Supply19
- Leds19
- Connectors19
Setup Panel Card P00120
- Connectors20
Other Components20
- Secondary Choke L00220
- Shunt Resistor R00220
- Output RFI Filter Unit RC00120
- Machine Output Terminals X002, X003 and X00420
- Auxiliary Transformer T00220
- Auxiliary Rectifier Bridge G00320
- Fan Control21
Mxp 37 Pipe22
Technical Data22
Main Circuit Diagram22
- Gas Valve Y00122
- Spool Space Heater (Optional)22
- Gas Guard S003 (Optional)23
- Door Switch S004 (Optional)23
- Motor Control Card A00123
- Wire Feed Unit GT0423
- Memory Card A00323
- Panel Card P00123
Motor Control Card A00124
- Power Supply24
- Leds24
- Connectors25
Memory Card A00326
- Connectors26
Tacho Card A00426
Panel Card P00126
Mxp 3827
Technical Data27
Operational Measurings and Tests28
Main Circuit Card Z00128
- Primary Rectifier V529
- IGBT Module V630
Secondary Rectifier Card Z00332
Cut-Off Card Z00433
Low Voltage Test34
Main Components Installation34
- Main Circuit Card Z00134
- Secondary Rectifier Card Z00334
- Cut off Card Z00434
Err0R Codes35

Brand	Kemppi
Model	FastMig X 450
Category	Welding System
Language	English

Kemppi FastMig X 450 Service Manual

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