Weco Micro Pulse 302MFK Instruction Manual
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Weco Micro Pulse 302MFK Instruction Manual

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Cod. 006.0001.1720
30/03/2020 V.2.8
Micro Pulse 302MFK
Instruction Manual
Translation of original instructions
ENGLISH

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Summary of Contents for Weco Micro Pulse 302MFK

  • Page 1 Cod. 006.0001.1720 30/03/2020 V.2.8 Micro Pulse 302MFK Instruction Manual Translation of original instructions ENGLISH...
  • Page 2 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD...
  • Page 3 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD INDICE GENERALE INTRODUZIONE ............................4 PRESENTAZIONE ............................ 5 INSTALLAZIONE ............................6 PANNELLO FRONTALE ........................... 6 PANNELLO POSTERIORE ........................7 INSTALLAZIONE MIG/MAG ........................8 PREPARAZIONE PER SALDATURA MMA ..................... 12 PREPARAZIONE PER SALDATURA TIG ....................
  • Page 4 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 11.3.3 Impostazione parametri MIG/MAG sinergico (2° livello) ................. 49 11.4 SALDATURA MIG/MAG SINERGICA PULSATA ..................51 11.4.1 Impostazione parametri MIG/MAG sinergico pulsato (1° livello): settaggio curva sinergica ....52 11.4.2 Impostazione parametri MIG/MAG sinergico pulsato (1°...
  • Page 5 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD INTRODUCTION IMPORTANT! This handbook must be consigned to the user prior to installation and commissioning of the unit. Read the "General prescriptions for use" handbook supplied separately from this manual before installing and commissioning the unit.
  • Page 6 A perfect wire feeding is guaranteed thanks to a 4-rolls motor drive included in Micro Pulse 302MFK. The fan is turned on only during welding, at the end of the welding process it remains on for a fixed period of time according to welding conditions.

  • Page 7: Installation

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD INSTALLATION DANGER! Lifting and positioning Read the warnings highlighted by the following symbols in the “General prescriptions for use”. 2.1 FRONT PANEL ○ Negative pole welding socket [Item 1].

  • Page 8: Rear Panel

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 2.2 REAR PANEL ○ Cooling unit power feeding connector [Item 1]. • Voltage: 400 Va.c. • Current Output: 0.8 A • IP protection rating: IP20 (cap open) / IP66 (cap closed) ○...

  • Page 9: Mig/Mag Installation

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 2.3 MIG/MAG INSTALLATION DANGER! Electric shock hazard! Read the warnings highlighted by the following symbols in the “General prescriptions for use”. FRONT VIEW REAR VIEW 3P+T REMOTE 3P4W CONTROL 1.
  • Page 10 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 15. Close the gas solenoid valve by pressing and releasing the button. 16. Set the required welding parameter values on the user interface. On connecting and enabling a remote controller [RC] certain settings can be modified from said controller without having to take action on the user interface of the welding power source.
  • Page 11 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 5. Adjust the spool holder braking system by tightening/ loosening the screw in such a way that the wire feed force is not excessive and when the spool stops rotating no excess wire is released.

  • Page 12: Preparing For Mma Welding

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 10. Check that the feed rolls are suitable for the wire gauge. • The diameter of the roll groove must be compatible with the diameter of the welding wire.

  • Page 13: Preparing For Tig Welding

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 10. Set the required welding parameter values on the user interface. When the remote controller [RC] is connected and the relative locking screw is tightened, welding current can be adjusted using the remote controller.
  • Page 14 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 11. Set the welding power source ON/OFF switch to “I” (unit powered). 12. Select the following welding mode on the user interface: DC TIG 13. Press the torch trigger with the torch well clear of any metal parts. This serves to open the gas solenoid valve without striking the welding arc.

  • Page 15: User Interface

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD USER INTERFACE L9 L10 L11L12 CODE SYMBOL DESCRIPTION illumination shows that the following parameter can be set: WIRE FEED RATE The value appears on the following display: D1 Short-Spray, pulsed and synergic MIG/MAG welding:...
  • Page 16 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD CODE SYMBOL DESCRIPTION This LED illuminates to show that the following welding mode is selected: MANUAL MIG/MAG - SYNERGIC MIG/MAG This LED illuminates to show that the following welding mode is selected: PULSED...
  • Page 17 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD CODE SYMBOL DESCRIPTION This button activates the wire feed to insert it through the MIG/MAG torch. Data setting: The encoder adjusts the main welding (and synergy) parameter, shown on the...

  • Page 18: Unit Power-Up

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD UNIT POWER-UP Set the welding power source ON/OFF switch to “I” to switch on the unit. MOTOR MICROPULSE 302 FW: XX.XX.XXX PROGRAM UPDATE The message will appear on display: D3 MICRO PULSE 302 FW: YY.YY.YYY...

  • Page 19: Partial Reset

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 5.1 PARTIAL RESET The reset procedure involves restoration of the parameter values and settings, except the following settings: - Settings of the SETUP menu. - Saved JOBs. - Set language.

  • Page 20: Total Reset

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 5.2 TOTAL RESET The reset procedure involves complete restoration of the default values, parameters and memory settings set in the factory. All memory locations will be reset and hence all your personal welding settings will be lost!

  • Page 21: Set-Up (Initial Set-Up Of The Welding Power Source)

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD SET-UP (INITIAL SET-UP OF THE WELDING POWER SOURCE) With locked status active it is not possible to access this function. § "6.2 LOCKING PROCEDURE". ACTIVATION SELECTION L9 L10 L11L12...
  • Page 22 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD NOTE: During the normal operation, the operator can enter the SET UP menu by pressing the button for 5 seconds (SET UP can therefore be accessed with machine on).

  • Page 23: Operating Hour Counter

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 6.1 OPERATING HOUR COUNTER The menu page shows the processing hour counters. • POWER ON = Total number of hours the machine has been on (mains powered). • T.ARC ON = Total number of hours of welding arc on.

  • Page 24: Locking Procedure

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD CONTROL TYPE - OFF= No remote controller enabled. - RC03= The unit is enabled to receive commands from a remote control equipped with 1 potentiometer. - RC04= The unit is enabled to receive commands from a remote control equipped with 2 potentiometers.
  • Page 25 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD ○ Use the encoder E3 to select the required lock status. ○ Press the S7 button to confirm. ENTER PASSWORD: 0000 - The message will appear on display: D3 Default password: 0000 ○...
  • Page 26 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD Disabling If a lock status is selected, you can only edit parameters permitted by the currently active lock status. If you cannot recall the password the only way to exit lock status is to perform the welding power source RESET procedure.

  • Page 27: Torch Loading

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 6.3 GAS FLOW REGULATION When the unit is powered on, the solenoid valve is enabled for 1 second. This fills the gas circuit. ○ Open the gas solenoid valve by pressing and releasing button S9 ○...
  • Page 28 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 6.5 WELDING CIRCUIT CALIBRATION When the wire feeder is used with its cable harness, the welding circuit “r” resistance can be measured by using the calibration function. This allows to achieve a consistent welding quality when the cable harness length and the torch is changed.

  • Page 29: Alarm Management

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD Remove the gas nozzle from the torch and lean the guide wire tip (without the wire) onto the surface of the workpiece, making sure it sticks well; check that the contact between the guide wire tip and the workpiece is on a clean area of the piece's surface.
  • Page 30 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD MESSAGE MEANING EVENT CHECKS Indicates the presence of problems in data communication between the power source and wire feeder. All functions disabled. When the unit has cooled, • Qualified technical...

  • Page 31: Selection Of The Welding Mode And Torch Trigger Procedure

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD SELECTION OF THE WELDING MODE AND TORCH TRIGGER PROCEDURE Depending on the welding mode selected, specific torch trigger procedures are available. Certain procedures are available only after specific parameters or functions have been enabled or set through the associated menus.

  • Page 32: Spot Mig/Mag Welding

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 8.1 2T MIG/MAG WELDING 1. Bring the torch up to the workpiece to be welded. 2. Press (1T) and keep the torch trigger pressed. The wire advances at the approach speed until making contact with the material. If the arc does not strike after 10 cm wire protrusion, wire feeding is locked and the welding unit outputs are de- energized.

  • Page 33: Spot - 3 Level Mig/Mag Welding

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD current. 3. Press (3S) trigger and keep it pressed to start the weld completion procedure. Gas flow continues until the torch trigger is released. 4. Release (4T) torch trigger to start the post gas procedure (adjustable time).

  • Page 34: B-Level - 3 Level Mig/Mag Welding

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD for example, when welding aluminium a value of 80 % is recommended. 5. Release the torch trigger a second time (4T) to close the weld and run the post gas procedure.

  • Page 35: Parameters Activation

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD PARAMETERS ACTIVATION The welding parameters are available in accordance with the selected welding mode and procedure. Certain parameters are available only after other parameters or functions of the unit have been enabled or set.

  • Page 36: Welding Parameters

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 9.1 WELDING PARAMETERS • WELDING CURRENT ○ Output current value during welding. • HOT-START ○ This parameter aids electrode melting at the time of arc striking. - Consequences of a higher value: •...
  • Page 37 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD ○ The default value for horizontal and frontal welding is 0.0 V. - NOTE: A value >0 produces an increase in the length of the welding arc, while a value <0 produces a shorter arc.
  • Page 38 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD • ARC SET ○ In pulsed synergic welding this parameter directly influences the size of the welding pulses. ○ The value SYN=100 denotes the optimal synergic value chosen by the manufacturer.
  • Page 39 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD of the welding procedure. ○ In synergic welding the optimal BURN BACK value (indicated with SYN) varies in general with variations of the synergic parameters. ○ In synergic welding, if the value BURN BACK = SYN is selected the welding power source will always have the optimal BURN BACK value set when the main welding parameter changes.
  • Page 40 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD during the third time. ○ This is helpful to start the weld run with different heat input compared to steady state welding conditions. ○ High values (e.g. 130 %) are generally required by aluminium alloys to create a weld pool.
  • Page 41 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD Wire speed (m/min) Freq 2puls High speed Middle speed Low speed Cycle 2puls minute • CYCLE 2PULS • Double pulsed duty cycle ○ This parameter adjusts the high speed time.

  • Page 42: Characteristics Of The Menu Levels

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 10 CHARACTERISTICS OF THE MENU LEVELS 10.1 1ST LEVEL The menu shows the setting of the most important welding parameters (or synergic settings) relative to the selected welding process.

  • Page 43: Welding Settings

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 10.3 3RD LEVEL The menu contains the settings and values that are changed infrequently and are to be set up the first time the unit is powered up. The changed parameters remain saved until the next modification or reset of the unit.
  • Page 44 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 11.1.1 Special curves: HIGH SPEED, POWER FOCUS and POWER ROOT No specific procedures are required to activate these curves. The special curves appear in the list together with the standard curves.
  • Page 45 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD POWER ROOT CURVES:: the curves are available in SYNERGIC SHORT SPRAY MIG/MAG welding mode. Power Root is an optimised short arc transfer with the feature of having a cold drop transfer. Power Root allows to achieve a very high quality in root passes.

  • Page 46: Manual Mig/Mag Welding

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 11.2 MANUAL MIG/MAG WELDING Welding is of the Short/Spray type. Adjustment of the main welding parameters, wire feed rate and voltage is entirely at the discretion of the operator. The optimal work point must be identified for the required welding type.
  • Page 47 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 11.2.1 Manual MIG/MAG parameters setting (1st level): inductance setting. ○ Using the encoder E3 , edit the value of the selected parameter The value is saved automatically. SHORT/SPRAY IND: This parameter allows electronic adjustment of the welding inductance from the ...

  • Page 48: Synergic Mig/Mag Welding

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 11.3 SYNERGIC MIG/MAG WELDING Set the welding data (material, wire diameter, gas type), shown on display D3 and just one welding parameter, chosen among wire feed rate, Amperes, and workpiece Thickness, shown on display D1.
  • Page 49 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD This button serves to select the following welding mode: SYNERGIC MIG/MAG Press the button again. i Near the message SHORT/SPRAY, “SYN” appears on the first line. Use this button to select one of the following torch trigger procedures: 2 STROKE 2 STROKE SPOT: The procedure is active when the “SPOT TIME”...
  • Page 50 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD Tab. 10 - 1st level menu parameters in SYNERGIC MIG/MAG mode PARAMETER DEFAULT MAX 22.0 m/min m/min m/min By changing the main adjustment value shown on display WIRE FEED RATE D1, the voltage value of the synergic curve shown on display D2 changes accordingly.
  • Page 51 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD PROCEDURE PARAMETER DEFAULT NOTES INDUCTANCE (row 1/7) This parameter is present exclusively PR START (row 1/7) with POWER ROOT. PRE GAS (row 2/7) 0.0 s 0.0 s 10.0 s...

  • Page 52: Pulsed Synergic Mig/Mag Welding

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 11.4 PULSED SYNERGIC MIG/MAG WELDING Set the welding data (material, wire diameter, gas type), shown on display D3 and just one welding parameter, chosen among wire feed rate, Amperes, and workpiece Thickness, shown on display D1.
  • Page 53 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD Tab. 12 - Main settings and displays in PULSED SYNERGIC MIG/MAG mode. DISPLAY D1 DISPLAY D2 Shows the set welding voltage, which can be Shows the main synergy parameter (wire feed adjusted with the following encoder: (E2).
  • Page 54 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 11.4.3 Pulsed Synergic MIG/MAG parameters setting (2nd level). ○ Press the button S7 to enter the 2nd level menu. ○ Scroll down the list of parameters to be edited by pressing buttons S5 and S6 ○...
  • Page 55 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD PROCEDURE PARAMETER DEFAULT NOTES ARC SET (row 1/10) PRE GAS (row 2/10) 0.0 s 10.0 s SOFT START (row 3/10) 100 % START 3LEV (row 4/10) 10 % 130 %...

  • Page 56: Double Pulsed Synergic Mig/Mag Welding

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 11.5 DOUBLE PULSED SYNERGIC MIG/MAG WELDING Set the welding data (material, wire diameter, gas type), shown on display D3 and just one welding parameter, chosen among wire feed rate, Amperes, and workpiece Thickness, shown on display D1.
  • Page 57 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD This button serves to select the following welding mode: DOUBLE PULSED SYNERGIC MIG/MAG Use this button to select one of the following torch trigger procedures: 2 STROKE 2 STROKE SPOT: The procedure is active when the “SPOT TIME” parameter is set to a value other than “OFF”.
  • Page 58 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD Tab. 16 - 1st level menu parameters in DOUBLE PULSED SYNERGIC MIG/MAG mode PARAMETER DEFAULT MAX 22.0 m/min m/min m/min By changing the main adjustment value shown on display...
  • Page 59 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD PROCEDURE PARAMETER DEFAULT NOTES ARC SET (row 1/10) PRE GAS (row 2/10) 0.0 s 0.0 s 10.0 s SOFT START (row 3/10) 100 % BURN BACK (row 4/10) 200 %...

  • Page 60: Electrode Welding (Mma)

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 11.6 ELECTRODE WELDING (MMA) SETTING SELECTION SELECTION L9 L10 L11L12 SETTING This button serves to select the following welding mode: Tab. 18 - 1st level menu parameters in MMA mode...
  • Page 61 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD Tab. 19 - 2nd level menu parameters in MMA mode PARAMETER DEFAULT HOT-START 50 % 100 % ARC-FORCE 30 % 100 % VRD MMA 11.7 TIG LIFT DC WELDING...
  • Page 62 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 11.7.2 TIG LIFT DC parameters setting (2nd level) ○ Press the button S7 to enter the 2nd level menu. ○ Scroll down the list of parameters to be edited by pressing buttons S5 and S6 ○...

  • Page 63: Jobs Management

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD JOBS MANAGEMENT Personalised welding settings, or JOBs, can be saved in memory locations and subsequently uploaded. Up to 99 jobs can be saved (j01-j99). The settings of the SETUP menu are not saved.

  • Page 64: Loading A User Job

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD Exit without confirmation ○ Press the S4 button Return to the job menu. ○ Press the S4 button Exit with confirmation ○ Hold down S8 for 3 seconds. This action will automatically close the menu ○...

  • Page 65: Deleting A Job

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD ○ Use the encoder E3 , to select the LOAD function. ○ Press buttons S5 and S6 to select parameter JOB. The JOB displayed is the one that was most recently used.
  • Page 66 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD ○ Use the encoder E3 , to select the DELETE function. ○ Press buttons S5 and S6 to select parameter JOB. The JOB displayed is the one that was most recently used.

  • Page 67: Technical Data

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 13 TECHNICAL DATA Waste electrical and electronic equipment (WEEE) Electromagnetic compatibility (EMC) Directives applied Low voltage (LVD) Restriction of the use of certain hazardous substances (RoHS) Construction standards EN 60974-1; EN 60974-5; EN 60974-10 Class A...
  • Page 68 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 35% (40° C) 15.0 A 40% (40° C) 12.7 A Maximum input current 50% (40° C) 8.8 A 60% (40° C) 10.6 A 8.3 A 10.0 A 100 % (40° C) 8.8 A...

  • Page 69: Wiring Diagram

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 14 WIRING DIAGRAM THREE PHASE BRIDGE BLACK 050.000X.0057 BLACK BLACK MAINS SWITCH 050.000X.0044 4 5 6 J8 J6 BLACK BLACK HALL BLACK YELLOW_GREEN 050.000X.0091 FLAT 10V 9 10 12Vdc...
  • Page 70 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD THREE PHASE BRIDGE 050.000X.0044 J8 J6 HALL FLAT JP13-FLAT JP11 050.000X.0120 EARTH GIALLO/VERDE-YELLOW/GREEN 400VAC-1 MARRONE-BROWN 400VAC-2 BLU-BLUE GND ISO AL CU JP10 20 21 B-RS 7 10 9 12...
  • Page 71 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD THREE PHASE BRIDGE BLACK 050.000X.0057 BLACK BLACK MAINS SWITCH 4 5 6 J8 J6 BLACK BLACK BLACK YELLOW_GREEN 050.000X.0091 FLAT 10V 9 10 12Vdc 12Vdc JP13-FLAT JP11 050.000X.0120 400VAC-2...
  • Page 72 Micro Pulse 302MFK Cod. 006.0001.1720 050.000X.0120 EARTH GIALLO/VERDE-YELLOW/GREEN 30/03/2020 V.2.8 400VAC-1 MARRONE-BROWN ENGLISH 400VAC-2 BLU-BLUE WELD THE WORLD GND ISO AL CU JP10 20 21 B-RS 7 10 9 12 19 22 A-RS DIG_ DIG_ DIG_ DIG_ DIG_ RX1- RX2- 050.000X.0080...
  • Page 73 050.000X.0120 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH 400VAC-2 0VAC 18VAC-2 WELD THE WORLD 18VAC-2 18VAC-1 18VAC-1 24VAC-4 24VAC-4 24VAC-3 400VAC-1 48VAC-1 F1 6X32 2A 500V @ 48VAC-1 48VAC-2 400VAC 48VAC-2 24VAC-3 20 21 B-RS485 19 22 A-RS485 DIG_OUT_2...

  • Page 74: Remote Control

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 14.1 REMOTE CONTROL Name Voltage Input/Output +5V-ISO 5 V d.c. AN REM IN2 0-5 V AN REM IN1 0-5 V GND-ISO DIG REM IN1 0-5 V F AN REM IN1/10V...
  • Page 75 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 14.1.1 RC03: Wiring diagram 14.1.2 RC04: Wiring diagram Potenziometro 10 kOhm - 100 kOhm Potenziometro 10 kOhm - 100 kOhm 10 kOhm - 100 kOhm potentiometer 10 kOhm - 100 kOhm potentiometer 14.1.3 RC05: Wiring diagram...

  • Page 76: Spare Parts

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 15 SPARE PARTS...
  • Page 77 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD No. CODE DESCRIPTION 050.5121.0000 COMPLETE FRONT LOGIC PANEL 016.0011.0014 040.0007.1160 FUSE 021.0001.0259 COMPLETE FIXED SOCKET 022.0002.0270 RS232 CABLE (COM1) 022.0002.0055 POLARITY SELECTOR CABLE 011.0009.0208 BLIND METAL FRONT PLATE 021.0004.2994 REMOTE CONNECTOR CAP 022.0002.0266...
  • Page 78 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 040.0003.1003 THERMAL CUT-OUT 75°C 015.0001.0013 HEAT SINK 032.0001.8215 THREE PHASE BRIDGE RECTIFIER 011.0009.0209 DEFLECTOR PLATE 050.0001.0084 FAN CONTROL BOARD 050.0003.0091 POWER BOARD 012.0003.0000 INTERNAL FRAMES 011.0000.0881 COVER PLATE 050.0003.0044 SNUBBER BOARD 045.0006.0079...

  • Page 79: Wire Feeder Motor

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 15.1 WIRE FEEDER MOTOR...
  • Page 80 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD CODE DESCRIPTION 002.0000.0353 MOTOR COIL 002.0000.0308 DISTANCE RING 002.0000.0349 NUT M6 002.0000.0348 NUT M5 002.0000.0327 FEED PLATE 002.0000.0347 SCREW M4x18 002.0000.0350 SCREW M6x12 002.0000.0341 SHAFT (1) 002.0000.0343 MAIN GEAR DRIVE 002.0000.0340...

  • Page 81: Wire Feed Rollers

    Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD 15.2 WIRE FEED ROLLERS Dual drive roller (2 rollers with grooves, 2 flat rollers) Ø roller Code Ø wire GROOVE TYPE 002.0000.0119 0.6-0.8 D=30x12/d=14 V 002.0000.0120 0.8-1.0 D=30x12/d=14 V 002.0000.0121...
  • Page 82 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD Double driving roll (4 rolls with grooves) - RECOMMENDED SETUP Ø roller Code Ø wire GROOVE TYPE 002.0000.0170 1.0-1.2 D=30x12/d=14 V DOUBLE D. 002.0000.0178 1.0-1.2 D=30x12/d=14 VK DOUBLE D.
  • Page 83 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD STANDARD FEED ROLLS VS TWIN FEED ROLLS Standard drive roller Double drive roller Wire centre position compared to the groove edge  ...
  • Page 84 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD...
  • Page 85 Micro Pulse 302MFK Cod. 006.0001.1720 30/03/2020 V.2.8 ENGLISH WELD THE WORLD...
  • Page 86 Cod. 006.0001.1720 30/03/2020 V.2.8 www.weco.it...

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