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Megmeet Dex CM3000 User Manual

Megmeet Dex CM3000
53 pages
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Dex Fully-digital Converter CO /MAG/MIG
2
Multi-function Welding Power Source
Dex CM3000
Dex PM3000
User Manual

Questions and Answers:

Megmeet Dex CM3000 Specifications

General IconGeneral
CategoryMedia Converter
ModelDex CM3000
ManufacturerMegmeet
Input Frequency50/60Hz
Rated Power3000W
Cooling MethodForced Air Cooling
Storage Temperature-40°C to +85°C
CertificationsCE
Protection FeaturesOVP, OCP, OTP, SCP

Summary

User Manual

Dex CM3000/PM3000 Welding Power Source Overview

General introduction to the Dex CM3000 and PM3000 welding power sources.

Preface

Manual Introduction and Scope

Outlines the manual's purpose, content, and scope for users.

Safety Precautions

Safety Definition and Warning Labels

Explains safety warning symbols and their meanings for hazard identification.

Installation Safety Guidelines

Critical safety measures for installing the welding power source.

Handling and Operational Safety

Covers safe handling procedures and general operational safety.

General Safety Practices

Additional general safety advice for users to follow during operation.

Environmental and Usage Safety Measures

Safety advice related to environment, ventilation, and PPE.

Operational Attention Points

Key points to observe for safe and efficient operation.

Precautions for Scrapping

Scrapping Procedure and Environmental Hazards

Guidelines and potential risks associated with machine scrapping.

Product Overview

Welding Machine Introduction

Brief overview of the Dex CM3000 and PM3000 welding machine models.

System Component Identification

Describes the main components of the welding system with a diagram.

Wiring Installation

Unpacking and Installation Requirements

Procedures for unpacking and environmental/space requirements for installation.

Handling and Connection Safety

Precautions for handling the welder and electrical connection safety.

Power Input and Torch Connection

Instructions for connecting the 380VAC power input and welding torch.

Ground Cable and Wire Feeder Roller Installation

Steps for connecting the ground cable and installing the wire feeder roller.

Wire Spool and Air Supply Connection

Instructions for installing the wire spool and connecting the gas supply system.

Dex CM3000 Function Description and Operation

Front Panel and Control Layout

Description of the controls and indicators on the CM3000 front panel.

Button and Knob Operations

Instructions on how to operate the buttons and knobs for function selection.

Wire Inching and Gas Detection

Operation of wire inching and gas detection functions.

Synergic/Separate Mode Selection

Explanation and selection of synergic and separate welding modes.

Arc Dynamics Adjustment

How to adjust arc hardness for optimal welding performance.

Internal Menu Structure and Parameters

Overview of the CM3000's internal menu and parameter settings.

Wire Feed Speed and Gas Timing Parameters (F10-F14)

Setting parameters for wire feed speed and gas timing functions.

Soft-start and Transition Time Settings (F12, F13)

Configuration of soft-start and transition times for wire feeding.

Post-gas and Wire Inching Speed Settings (F14, F15)

Setting post-gas time and wire inching speed parameters.

DC Burn-Back Voltage Adjustment (F20)

Adjusting the DC burn-back voltage parameter for welding control.

DC Burn-Back and Chopping Time Settings (F21, F22)

Configuration of DC burn-back time and chopping time parameters.

Short-Circuit Current Slope and Amplitude (F23, F24)

Adjusting parameters for short-circuit current slope and amplitude.

Welding Control and Wire Feed Speed Percentage (F25, F26)

Setting welding control modes and wire feed speed percentage.

Arc Start Voltage and Dynamics Settings (F27, F28)

Adjusting synergic voltage and arc dynamics for arc starting.

Arc Starting Time and Energy Control (F29, F55)

Setting arc starting time and DC welding energy control.

MMA Arc Start and Hot-Start Current (F52, F53)

Configuration of MMA arc-striking and hot-start current.

MMA Thrusting Current and Arc Ending Speed (F54, F2A)

Setting MMA thrusting current and arc ending wire feed speed.

Arc Ending Voltage and Dynamics Settings (F2B, F2C)

Adjusting synergic voltage and arc dynamics for arc ending.

Arc Ending Time and Spot Welding Time (F2D, F2E)

Setting arc ending time and spot welding time parameters.

Software and Error Record Queries (FB0, FB1)

Procedures for querying software version and error records.

Machine Model Query and MMA Function Switch (FB2, FC2)

Querying machine model and switching MMA function on/off.

Restore Factory Settings (F01)

Procedure for restoring the welder to its factory default settings.

Dex PM3000 Function Description and Operation

Front Panel and Function Key Descriptions

Description of the PM3000 front panel controls and key functions.

Key Functionality Table

Detailed explanation of each key's function on the PM3000.

Wire Inching, Gas Detection, and Mode Selection

Operation of wire inching, gas detection, and synergic/separation modes.

Arc Dynamics and Arc Starting Parameter Setup

Adjusting arc dynamics and setting arc starting parameters.

Arc Ending Parameter Setup

Setting parameters for the arc ending phase of welding.

Welding Control Modes: Spot-welding

Instructions and logic diagram for spot welding mode.

Welding Control Modes: 2 T

Instructions and logic diagram for the 2 T welding mode.

Welding Control Modes: 4 T and Special 4 T

Instructions and logic diagrams for 4 T and Special 4 T welding modes.

Parameter Storage and Invocation

Procedures for storing and recalling welding parameters.

Internal Menu Access

How to access and navigate the internal menu system.

Internal Menu Function List (F01, F10)

Overview of internal menu functions and F10 parameter setting.

Gas Timing Parameters (F11, F13, F14)

Setting parameters for pre-gas, transition, and post-gas timing.

Soft-start and Wire Inching Speed (F12, F15)

Configuration of soft-start time and wire inching speed.

DC Burn-Back Voltage and Time (F20, F21)

Setting parameters for DC burn-back voltage and time.

DC Chopping Time (F22)

Setting the DC chopping time parameter for welding control.

Short-Circuit Current Parameters (F23, F24)

Adjusting parameters for short-circuit current slope and amplitude.

DC Welding Energy Control (F55)

Setting the DC welding energy control parameter.

Pulse Current Amplitude and Time (F30, F31)

Setting parameters for pulse current amplitude and time.

Pulse Burn-Back and Chopping Time (F34, F35)

Setting parameters for pulse burn-back and chopping time.

Double Pulse Frequency and Duty Cycle (F40, F41)

Configuration of double pulse frequency and duty cycle.

Double Pulse Current Intensity and Voltage Correction (F42, F43)

Setting double pulse current intensity and weak pulse voltage correction.

Intense Pulse Voltage Correction (F44)

Setting the correction value for intense pulse voltage.

MMA Current Settings (F52, F53, F54)

Configuration of MMA arc-striking, hot-start, and thrusting current.

Software Version and Error Record Queries (FB0, FB1)

Procedures for querying software version and error records.

Machine Model Query and MMA Function Switch (FB2, FC2)

Querying machine model and switching MMA function.

Restore Factory Settings (F01)

Procedure for restoring the welder to its factory default settings.

Troubleshooting

Welding Machine Fault Indication

How to identify faults using the red indicator light on the welder panel.

Fault Codes and Solutions (Part 1)

Common fault codes displayed and their corresponding solutions.

Fault Codes and Solutions (Part 2)

Additional fault codes and their descriptions and solutions.

Maintenance

Daily Inspection Procedures and Items

Steps and key points for performing daily inspections.

Welding Machine and Cable Inspection

Specific inspection items for the welding machine and its cables.

Periodic Inspection Plan and Contents

Schedule and detailed procedures for periodic maintenance checks.

After-Sales Services and Warranty Information

Details on warranty coverage, maintenance, and customer service.

Annex I Technical Specifications

Welding Power Technical Specifications

Detailed technical data for the Dex CM3000 and Dex PM3000 welding power sources.

Annex II Electrical Connection Diagram

Welder Wiring Diagram

Schematic illustrating the electrical connections within the welder unit.

Annex III System Configuration Table

Dex CM3000 Configuration Details

Configuration and ordering information for the Dex CM3000 welder.

Dex CM3000 Process Configuration

Details on process configuration options for the Dex CM3000.

Dex PM3000 Configuration Details

Configuration and ordering information for the Dex PM3000 welder.

Dex PM3000 Process Configuration

Details on process configuration options for the Dex PM3000.

Annex IV Structural Detail Drawing

Welder Component Breakdown and Part Numbers

Detailed illustration of welder components with corresponding part numbers.

User Instructions

Warranty Scope and Service Policy

Information on the warranty scope, period, and service claim policies.

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