Mitsubishi Electronics FR-A500L Welding System User Manual


 
CONTENTS
1 OUTLINE .........................................................................................................................................1
1.1 Pre-Operation Information.............................................................................................................. 1
1.1.1 Precautions for operation.........................................................................................................1
1.2 Basic Configuration......................................................................................................................... 2
1.2.1 Basic configuration................................................................................................................... 2
2 INSTALLATION AND WIRING .......................................................................................................3
2.1 Installation....................................................................................................................................... 3
2.1.1 Instructions for installation .......................................................................................................3
2.2 Wiring ............................................................................................................................................. 5
2.2.1 Terminal connection diagram .................................................................................................. 5
2.2.2 Wiring of the main circuit ......................................................................................................... 8
2.2.3 Wiring of the control circuit .................................................................................................... 12
2.2.4 Connection to the PU connector............................................................................................16
2.2.5 Design information.................................................................................................................17
3 OPERATION..................................................................................................................................17
4 PARAMETER ................................................................................................................................18
4.1. Parameter list................................................................................................................................18
5 PROTECTIVE FUNCTIONS..........................................................................................................24
5.1 Errors (Alarms) ............................................................................................................................. 24
5.1.1 Error (alarm) definitions ......................................................................................................... 24
5.1.2 Correspondences between digital and actual characters ...................................................... 28
5.1.3 Alarm code output..................................................................................................................29
5.1.4 Resetting the inverter............................................................................................................. 29
5.2 Troubleshooting............................................................................................................................ 30
5.2.1 Checking the operation panel display at alarm stop ..............................................................30
5.2.2 Faults and check points ......................................................................................................... 32
5.3 Precautions for Maintenance and Inspection ............................................................................... 34
5.3.1 Precautions for maintenance and inspection......................................................................... 34
5.3.2 Check items ........................................................................................................................... 34
5.3.3 Periodic inspection.................................................................................................................34
5.3.4 Insulation resistance test using megger ................................................................................35
5.3.5 Dielectric strength test ........................................................................................................... 35
5.3.6 Replacement of parts............................................................................................................. 38
5.3.7 Measurement of main circuit voltages, currents and power .................................................. 39
6 SPECIFICATIONS.........................................................................................................................41
6.1 Standard Specifications................................................................................................................41
6.1.1 Model specifications............................................................................................................... 41
6.1.2 Common specifications.......................................................................................................... 42
6.1.3 Outline drawings .................................................................................................................... 44
APPENDICES...................................................................................................................................45
Appendix3............................................................................................................................................ 47
Appendix4............................................................................................................................................ 49
Appendix5............................................................................................................................................ 50