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ESAB Origo Arc 410c, Service Manual

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Page: 33 / 40

ESAB Origo Arc 410c Service Manual Download Page 33

32

Voltage meter calibration

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Set the V/A switch located on the cap board to the V position (voltage measurement)

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Connect the reference voltmeter to output terminals of the source

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Using the R12 potentiometer located on the LM11 board set the voltage indication for no-
load voltage of the source according to the indication of the reference device

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Summary of Contents for Origo Arc 410c

Page 1: ...0349 300 082 Valid for serial no 734 749 751 xxx xxxx 080623 Arc 410c Arc 650c Arc 810c Origo Service manual...

Page 2: ...omponent positions 22 REMOTE CONTROLS 23 SERVICE INSTRUCTION 23 What is ESD 23 Service aid 24 Antistatic service kit 24 Checking power board CH21 24 Checking signal LEDs 24 Checking supply and referen...

Page 3: ...2 Checking chopper block V0 33 Overview test 35 Rectifier test 35 Checking of output stage 35 Replacing of damaged transistors 36 NOTES 37...

Page 4: ...blocks which are described individually in more detail in the description of operation All component names in the wiring diagram are listed in the component description This manual contains details o...

Page 5: ...e delivered with panel A12 Origo TM Arc 410c may be delivered with panel A11 or A12 A12 is version with display that allows current setting to be read from the front of the rectifier Design structure...

Page 6: ...5...

Page 7: ...0V CH21 Control circuit board H1 White indicating lamp power supply ON H2 Orange indicating lamp overheating K1 Main contactor K69 Suppression circuit board L1 Inductor M1 Fan 230V 50Hz Q01 Main ON OF...

Page 8: ...7 OrigoTM Arc 410c...

Page 9: ...8 OrigoTM Arc 650c...

Page 10: ...9 OrigoTM Arc 810c...

Page 11: ...n blocks MMC module The MMC module consists of an operator s control panel Control panel A11 A0 is intended only for OrigoArc410c A11 panel carries out basic functions required for MMA welding AG arc...

Page 12: ...ers for current setting R01 HOT START time R02 ARC FORCE penetration depth R03 and welding method switch S1 A12 panel also consists of current setting location selection switch S2 current and welding...

Page 13: ...uit If the S3 switch is set to position V positive voltage of 5V is switched on for V7 and V8 transistor gates V7 transistor is shorted and V8 transistor open The current measurement signal is transmi...

Page 14: ...ion concerning the set welding current is sent by the transmitter The A5b comparator blocks the receiver during welding R24 potentiometer is used for calibrating the setting voltage range Calibration...

Page 15: ...14 LM11 Component positions...

Page 16: ...tting potentiometer is connected in parallel to the C51 capacitor The voltage of 10V on the A13b operational amplifier output is the reference voltage for the remote wire current setting in this circu...

Page 17: ...used for resetting the setting signal for the current setting potentiometer on the peripheral device to the minimum value R114 potentiometer is designed for setting the maximum value of the setting si...

Page 18: ...to the value below the threshold of activating the ARC FORCE function voltage on the A16b output is decreasing Reduction of this voltage results in the increase of the amount of current flowing throu...

Page 19: ...ing on of the K1 contactor with delay in relation to the moment of switching on the source via the Q01 switch Activation of this circuit after the battery has been charged is signalled by the V12 diod...

Page 20: ...K function is switched off by means of shorting the A14b comparator output via the switched on A14a comparator In the TIG mode the steering voltage source is switched off and the PWM circuit is blocke...

Page 21: ...sed for supplying electronic circuits voltages are obtained from two full wave rectifiers made on the VB2 bridge The positive voltage power unit is composed of a filter comprising C103 and C104 capaci...

Page 22: ...21 CH21 Component positions...

Page 23: ...22 K69 Suppression circuit board Circuit diagram Component positions...

Page 24: ...e component will fail prematurely How do we prevent ESD damage ESD damage can be prevented by awareness If static electricity is prevented from building up on you or on anything at your work station t...

Page 25: ...e long ground cable with a crocodile clip An adjustable wrist strap and cable with an inbuilt protective resistor Antistatic service kit Checking power board CH21 Checking signal LEDs V12 indicates th...

Page 26: ...25 Checking supply and reference voltages Measure voltage in indicated points and check if they are within indicated ranges...

Page 27: ...me positions of the local current setting potentiometer Connect the peripheral device of the remote current setting and set the setting potentiometer to the minimum value Using the RP2 assembly potent...

Page 28: ...imum position Switch on the 0 24 load on the resistor 100A in a stepwise manner Value of the welding current increased by 50 147A 153A should be included in the time interval 2 4s 2 6s and then fall t...

Page 29: ...ximum current Set the current setting and the HOT START time setting knob to the maximum value Switch on loading of the source in a stepwise manner Using the RP1 potentiometer set the maximum current...

Page 30: ...the A2 circuit is presented in the drawing below Checking the PWM signal PWM outputs oscillogram of the A2 circuit measurement point 5 is presented in the drawing below Checking the gate pulses Voltag...

Page 31: ...isplay 400A 36V for ORIGOArc 410c 650A 44V for ORIGOArc 650c and 800A 44V for ORIGOArc 810c in accordance with the maximum value of the current flowing in the load Using the CURRENT potentiometer set...

Page 32: ...switch to WIRELESS position Remove the ZW1 jumper located on the LM11 board and insert it into the ZW2 Using the R24 potentiometer set the value of 400A for ORIGOArc 410c 650A for ORIGOArc 650c and 80...

Page 33: ...to the V position voltage measurement Connect the reference voltmeter to output terminals of the source Using the R12 potentiometer located on the LM11 board set the voltage indication for no load vo...

Page 34: ...minimum current value may be corrected using the RP2 potentiometer located on the CH31 board and the maximum current value using the RP3 potentiometer CH21 Checking the wireless remote current settin...

Page 35: ...ource 1 OrigoMig 4002c 4002cw 2 OrigoMig 5002c 5002cw 3 OrigoMig 6502c 6502cw Differences lay within heatsinks dimensions type and number of power IGBT modules capacitance of capacitors type of rectif...

Page 36: ...on opposite side Important note all diode threads have to be covered by very thin layer by No 2 Electro Joint Compound before replacing Also heatsink side which is connected to DC link has to be cover...

Page 37: ...ymmetrical except two plastic pins for positioning PCB During replacement check if marked side of module is placed on capacitors side and ant the end is connected to DC link terminals Before placing n...

Page 38: ...37 NOTES...

Page 39: ......

Page 40: ...92 22 ESAB international AB Gothenburg Tel 46 31 50 90 00 Fax 46 31 50 93 60 SWITZERLAND ESAB AG Dietikon Tel 41 1 741 25 25 Fax 41 1 740 30 55 North and South America ARGENTINA CONARCO Buenos Aires...

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