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Cebora PLASMA PROF 80 - User Manual

Cebora PLASMA PROF 80
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CEBORA S.p.A. 1
PLASMA PROF 80
POWER SOURCE art. 947
SERVICE MANUAL
3.302.167 25/06/04

Table of Contents

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Summary

Plasma PROF 80 Service Manual

GENERAL INFORMATION

Introduction

Purpose of the manual to train maintenance personnel for plasma cutting systems.

General Service Policy

Responsibility of customer/operator for equipment use, maintenance, and qualified personnel for repairs.

Safety Information

Safety notes are integral; disconnect power before access; use precautions for hazardous potentials.

Electromagnetic Compatibility

Instructions for electromagnetic compatibility are in the Instruction Manual.

SYSTEM DESCRIPTION

Introduction

Overview of the PLASMA PROF 80 system for cutting conductive materials.

Technical Specifications

Technical specifications are found on the machine plate, Instruction Manual, and Sales Catalogue.

Description of Power Source Art. 947

Detailed description of the art. 947 power source, its components, and operation.

MAINTENANCE

Periodic Inspection and Cleaning

Procedures for periodic removal of dirt and dust, checking terminals and connections.

Operating Sequence

Sequence reflecting correct machine operation for troubleshooting guidance.

Power Source Commands and Signals

Identification of commands and signals on the power source front panel.

Power Source Operation

Step-by-step procedure for operating the power source, including checks and tests.

TROUBLESHOOTING

Power Source Does Not Start (LED V Off)

Troubleshooting steps for when the power source fails to start and the status LED is off.

Power Source Powered (LED V Lit, Fan Stopped)

Troubleshooting steps for when the power source is powered but the fan is stopped.

Start Button Produces No Effect

Troubleshooting steps when the start button does not initiate any operation.

No Gas Flows From Torch

Troubleshooting steps for when no gas is dispensed from the torch.

Gas Flows, Pilot Arc Does Not Light (HF Missing)

Troubleshooting steps when gas flows but the pilot arc fails due to missing high frequency.

Gas Flows, Pilot Arc Does Not Light (Nozzle Voltage Missing)

Troubleshooting steps when gas flows but the pilot arc fails due to missing nozzle voltage.

Irregular Output Voltage in Open Circuit

Troubleshooting steps for when the output voltage is irregular during open circuit operation.

Irregular Pilot Arc Starts, Unstable Pilot Arc

Troubleshooting steps for unstable or irregular pilot arc initiation.

Transfer Arc Does Not Take Place or is Too Weak

Troubleshooting steps when transfer arc fails or is too weak for cutting.

ALARM SIGNALS

Transformer Temperature Alarm (LED G Lit)

Indicates transformer temperature is outside allowed limits, with recommended actions.

Low Gas Pressure Alarm (LED L Lit)

Indicates gas pressure at the intake has fallen below allowed limits.

Start Button Pressed During Startup Alarm (LED L Flashing)

Alarm indicating start button pressed during power source startup sequence.

Central Adapter Protection Not Activated Alarm (LED S Lit)

Alarm indicating the central adapter protection is missing or not activated.

Reed Contact Closed on Startup Alarm (LED S Flashing)

Alarm indicating reed contact is closed upon power source startup, blocking operation.

COMPONENTS LIST

Power Source Art. 947 Reference

Reference to ESP947.pdf file for power source art. 947 details.

Components Table Reference

Reference to ESP947.pdf file for components table.

List of Spare Parts

Lists essential and recommended spare parts with their codes and descriptions.

ELECTRICAL DIAGRAMS

Power Source Art. 947 Reference

Reference to SCHE947.pdf file for electrical diagrams.

Waveforms

Displays various signal waveforms for system analysis.

Fuse Board (18) Details

Topographical drawing and connector/fuse table for the fuse board.

Relay Board (27) Details

Topographical drawing and connector table for the relay board.

Power Board (20) Details

Topographical drawing, connector table, and fuse table for the power board.

Setting Board (19) Details

Topographical drawing and connector table for the setting board.

Control Board (9) Details

Topographical drawing and connector table for the control board.

HF Board (25) Details

Topographical drawing and connector table for the HF board.

HF-Filter Board (22) Details

Topographical drawing and connector table for the HF-filter board.

Cebora PLASMA PROF 80 Specifications

General IconGeneral
Input Voltage400 V
Input Current16 A
Output Current20 - 80 A
Cutting Capacity25 mm
Protection ClassIP23
Frequency50/60 Hz
Cooling SystemAir
Duty Cycle60%

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