User Manual Q&AAnswer
Apr 30, 2025 - 01:40 AM
To install the OMTech MYJG-50W Laser Power Supply, follow these steps:
1. Ensure that all power to your engraver is turned off and disconnected before installing or removing the power supply.
2. Make sure your engraver is properly grounded for normal operation. Use only with engraving machines that employ a three-prong plug with a ground terminal. Using an EMI filter is recommended.
3. Connect the power supply to the power input from your home or business's main power using the first bank of xxxx terminal blocks. If you are assembling your laser, you will need to install the wiring correctly yourself. Place the wires into the proper slot and tighten them into place with the block's built-in screws. If this is a compatible replacement part, you can simply plug in the old terminal block.
- FG: Ground Wire for the Mains & Case
- AC: Neutral Wire to 110/220V Power
- AC: Live Input from 110/220V Power
4. Connect the power supply to the control system using the second bank of xxxx terminal blocks. If you have an identical one already set up, you can simply plug in your old xxxx terminal block directly. Otherwise, take care to install the wiring correctly, with separately colored wiring recommended.
- H: Connection for Active-High Devices
- L: Connection for Active-Low Devices
- P: Line to the Laser Trigger, Water, and Other Systems (such as a door switch)
- G: Ground Wire for the Control System, PWM Level Shifters, Potentiometers, etc.
- IN: Input Power for PWM Level Shifters or Potentiometers
- 5V: 5V Connection for Digital Signals
5. Once the power supply is properly connected, you can test it using the Test Button. This button can help identify if the problem lies with the display panel, controller, or their wiring (if it successfully fires a test beam) or if the problem lies with the power supply or its connection to the laser (if the laser fails to fire). If there is a problem with the power supply or connection, contact customer service for assistance.
Please refer to the OMTech MYJG-50W Laser Power Supply Instruction Manual for more detailed instructions and diagrams.
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