Hitachi L300P Series Welding System User Manual


 
Table of contents
1. Investigation of the inverter
1.1 Specification label(Model name , Manufacturing number ; MFG)
1.1.1 Model name 1-1
1.1.2 MFG number 1-1
1.2 Inverter specification
1.2.1 SJ300 1-2
1.2.2 L300P 1-10
2. Trouble shooting
2.1 INV trip contents , remedy , advice 2-1
2.2 Option error
2.2.1 Feed-back board (SJ-FB) 2-3
2.2.2 Digital-input option board (SJ-DG) 2-3
2.2.3 Device-Net option board (SJ-DN) 2-3
2.3 Check of the trip monitor contents 2-4
2.4 Confirmation of the warning monitor contents 2-5
2.5 Return to an initialization setup (Factory-shipment state) 2-6
3. Debug mode
3.1 Monitor mode 3-1
3.2 Function mode 3-2
3.3 Parameter settings for inverter 3-3
4. The check of control power supply voltage and a control signal
4.1 Control power supply voltage 4-1
4.2 Control signal 4-1
5. Maintenance and Inspection
5.1 Maintenance and Inspection
5.1.1 Daily inspection 5-1
5.1.2 Cleaning 5-1
5.1.3 Periodical inspection 5-1
5.2 Daily and annual maintenance 5-2
5.3 Megger test 5-3
5.4 Withstand voltage test 5-3
5.5 How to check inverter , converter , BR and Thyristor portion 5-4
5.6 Parts replacement 5-5
5.7Unit replacement 5-8
Appendix
Circuit Diagram
Internal block diagram
Structure figure