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0349 300 082

Valid for serial no. 734, 749, 751--xxx--xxxx

080623

Arc 410c

Arc 650c

Arc 810c

Origo

™

Service manual

Содержание Origo Arc 410c

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 6: ...5...

Страница 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...

Страница 8: ...7 OrigoTM Arc 410c...

Страница 9: ...8 OrigoTM Arc 650c...

Страница 10: ...9 OrigoTM Arc 810c...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 15: ...14 LM11 Component positions...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 22: ...21 CH21 Component positions...

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

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 38: ...37 NOTES...

Страница 39: ......

Страница 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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