Daihen OTC XD350 Page 1 Service Manual Download

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Service Manual No.C0056-1

SERVICE MANUAL

DAIHEN DC arc welding power source

350/500

CPXD- 350 C0056
CPXD- 500 C0052

DAIHEN Corporation

WELDING PRODUCTION DIVISION

Aug.11.2006

/MAG

DYNA AUTO

NOTE: Ther is a case that contents of thes service
munual is different from the latest information by
revision after product shipment. Use the owner’s
manual of this procuct together.

Summary of Contents for OTC XD350

Page 1: ...XD 350 C0056 CPXD 500 C0052 DAIHEN Corporation WELDING PRODUCTION DIVISION Aug 11 2006 CO2 MAG DYNA AUTO NOTE Ther is a case that contents of thes service munual is different from the latest informati...

Page 2: ...suring instrument be careful not to cause an electric shock accident 1 2 Handling of printed circuit board 1 Do not to touch the potentiometer which fixed by white pen on the printed circuit board It...

Page 3: ...the case Then insulate this earth cable due to not touch the case 3 Short circuit the contact interval line No 1 4 of magnet switch 4 Turn on the control power source S1 Be sure to reconnect the cable...

Page 4: ...Zero cross detective circuit Input voltage detective circuit Primary voltage detective circuit Emergency stop detective circuit Fan frame CPXD 350 Chassis CPXD 500 C0045Q Common in all models Power so...

Page 5: ...as the figure below Same as CH6 CH8 SCR trigger 3 S CH1 CH8 Pulse waveform such as the figure below Same as CH6 CH9 Zero cross 1 S CH1 CH9 Pulse waveform such as the figure below CH10 Zero cross 2 S...

Page 6: ...asing CH10 Short circuit detection T CH1 CH10 15V When short circuit 0V When outputting voltage 2 2 3 Check terminal on printed circuit board P10174X No Signal name Explanation CH1 0V Ground CH2 15V T...

Page 7: ...eft R70 Slow down speed Adjust slow down speed Jumper switch of printed circuit board C0056P No Signal name Explanation S1 1 Simple substance inspection Use for simple substance inspection of printed...

Page 8: ...rom welding voltage greatly Change J1 to ADJ when adjusting It becomes lower with turning to an anti clock and becomes highly with turning to a clock R39 Iref fine adjustment Use it to adjust when the...

Page 9: ...CPXD 350 500 SERVICE MANUAL 8 2 Function of each printed circuit board continued 2 4 Check point position of each printed circuit board 2 4 1 C0056P C0056P...

Page 10: ...CPXD 350 500 SERVICE MANUAL 9 2 Function of each printed circuit board continued 2 4 Check point position of each printed circuit board continued 2 4 2 C0045Q C0045Q...

Page 11: ...CPXD 350 500 SERVICE MANUAL 10 2 Function of each printed circuit board continued 2 4 Check point position of each printed circuit board continued 2 4 3 P10174X...

Page 12: ...nd the welding power source stops automatically In this case wait until the fan stops with the CONTROL POWER switch turned on When starting the welding operation again use the welding machine lower th...

Page 13: ...flashes two times After the warning lamp flashes the welding machine automatically stops Trouble of output voltage When the TORCH switch is turned off and voltage on the output terminals presents the...

Page 14: ...k and accident in particular And resistance value in the list is changed by internal resistance of tester digital tester in particular that is used So regard as it is standard 3 2 1 Thyristor module T...

Page 15: ...rol Check the connections of P10174X match wire feeder connected to this welding power source Settings of current and voltage Welding mode and wire diameter set Improper welding conditions Distance be...

Page 16: ...pre heat function setting fan automatically stops when welding machine keeps to stop operation while CONTROL POWER switch turned on Main POWER lamp PL1 lights up Trouble of P C B control circuit Afte...

Page 17: ...yristor SCR1 or 2 Replace the thyristor SCR1 or 2 if needed Trouble of hall element CT Replace the current detector CT Check wire number 1 3 8 13 17 21 26 Check the wiring 8 Being out of control weldi...

Page 18: ...CPXD 350 500 SERVICE MANUAL 17 4 Block diagram...

Page 19: ...n C0056P 5 4 Changing wire feeder Set C0056P and P10174X suitable for wire feeder like the list below CPXD 350 500 C0056P Wire feeder model S1 3 S1 5 P10174X CN1 3 Remarks CM 2302 OFF OFF A side Facto...

Page 20: ...ing crater repetition period Crater repetition period is 2 sec at the shipment but it becomes usable to adjust time by R18 on C0056P 5 8 Using AC100V heater receptacle Extra heating is necessary to us...

Page 21: ...mer is located close to 4P terminal board on fan frame 2 Lead in cables connected with arc spot timer through grommet with film on the rear side of the welding machine to insert into the connectors 3...

Page 22: ...o house programs are incorporate to one chip so it is impossible to change only ROM Then if using special correspondence which includes changing software exchange includes printed circuit board These...

Page 23: ...CPXD 350 500 SERVICE MANUAL 22 6 Schematic diagram and parts layout 6 1 Schematic diagram for CPXD 350...

Page 24: ...CPXD 350 500 SERVICE MANUAL 23 6 Schmatic diagram and parts layout continued 6 2 Schematic diagram for CPXD 500...

Page 25: ...K3 11 BLACK CN23 CONECTION TERMINAL WIRE NUMBER WIRE COLOR CONNECTOR PIN NUMBER Input terminal FRAME HEATSINK LOWER UPPER RED WHITE REAR PANEL RED WHITE WHITE BULE RED WHITE RED OUTPUT PANEL CASE GROU...

Page 26: ...for PCB1 CN9 for PCB1 CN1 for PCB1 CN10 CRATER FILLER VOLTAGE R3 R4 62 63 64 65 62 65 F1 CONTROL POWER MOTOR F2 AC100V F3 PL1 CONTROL POWER PL3 WARNING 127 128 126 125 72 70 29 27 168 167 for PCB1 CN4...

Page 27: ...for CON4 FRONT REAR Fan belonging condenser 131 132 ARC SPOT TIMER S CONNECTOR L4 for MS for MS SCR2 167 2 1 A V 116 115 61 60 C RA T ER F IL LE R VO LT AG E R 3 R 4 62 63 64 65 S19 62 65 C RE AT E R...

Page 28: ...21 CN22 CN23 CN24 CN25 CN26 CN5 CN6 CN1 CN2 CN3 CN4 CN7 CN8 CN9 CN10 CN11 G K CASE GROUND SCR3 A CN27 134 133 CHASSIS view from the back side 4P CONNECTOR 95 WELDING CURRENT CONTROL INCHING SPEED WELD...

Page 29: ...2 015 Rotary thumb switch A7BS 206 1 1 1 S6 4739 369 One touch fixture A7B M 1 1 1 S7 4254 118 Switch DS 850K F1 00 Black 1 1 PL1 4600 342 Neon lamp N46010A7KR 01 1 1 PL3 4600 345 Neon lamp N46010A7KR...

Page 30: ...rminal K3927B00 2 K2851B00 Secondary terminal K2851B00 2 On output terminal board CON5 4732 017 AC plug AC T04FB04 1 1 K3904B00 Input terminal board K3904B00 1 1 K3904C00 Input terminal cover K3904C00...

Page 31: ...99 119 170 CO2 0 8mm Welding voltage V 17 0 18 5 19 0 20 0 22 0 24 0 27 0 Speed rpm 21 35 49 69 91 106 145 MAG 0 8mm Welding voltage V 15 0 17 0 18 0 19 0 20 0 21 0 23 0 Speed rpm 17 21 28 39 54 80 9...

Page 32: ...age V 16 18 19 24 28 31 35 38 Speed rpm 13 19 33 46 69 97 119 148 179 212 MCW 1 4mm Welding voltage V 16 18 20 24 28 31 35 38 41 45 Speed rpm 12 15 19 32 44 58 72 87 107 135 161 185 CO2 1 6mm Welding...

Page 33: ...scale Output current A Order voltage V Output current A Order voltage V Output current A Order voltage V 100 4 0 100 3 0 15 1 0 150 6 5 150 5 0 18 3 0 200 9 5 200 7 0 21 4 5 250 12 0 250 9 0 24 6 0 3...

Page 34: ...Current A Voltage V Current A Voltage V 0 55 6 0 55 5 0 55 5 0 55 6 0 55 6 10 29 3 10 35 5 10 40 3 10 46 2 10 47 5 20 28 20 34 1 20 39 7 20 46 1 20 47 8 40 25 2 40 32 7 40 39 1 40 45 1 40 47 3 60 24 1...

Page 35: ...0 43 20 27 2 20 36 20 43 8 20 51 20 56 8 40 24 5 40 35 40 43 2 40 50 5 40 56 5 60 24 60 34 5 60 43 60 50 2 60 56 80 23 5 80 34 80 42 5 80 49 7 80 55 8 100 23 100 33 8 100 42 2 100 49 2 100 55 2 150 22...

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