1. Introduction
This instruction manual provides essential information for the installation, operation, and maintenance of the Cloudray Ruida RDC6442S Control Panel. This panel is designed as a replacement or upgrade component for CO2 laser engraver and cutting machines utilizing Ruida 6442S or 6442G controllers. It offers an intuitive interface for managing laser operations and diagnostics.

2. Product Overview
The Cloudray Ruida RDC6442S Control Panel features a 3.5-inch colorful display screen and supports multiple languages, enhancing user interaction and operational clarity. It provides direct control over laser machine functions, including manual movement, power settings, and file management. The panel integrates seamlessly with existing Ruida 6442S or 6442G controller systems.

3. Package Contents
The package includes the following items:
- 1 x Cloudray Ruida RDC6442S Control Panel
- 1 x Five-core cable (integrated with the panel)

4. Setup and Installation
The RDC6442S panel is designed for direct replacement or integration with existing Ruida 6442S or 6442G controller systems. Ensure the laser machine is powered off and disconnected from the main power supply before beginning installation.
4.1. Wiring Diagram
Refer to the following diagram for proper connection of the control panel to the mainboard and power supply. The five-core cable from the panel connects directly to the designated port on the Ruida mainboard.

4.2. Installation Steps
- Ensure the laser machine is completely powered off and unplugged.
- Carefully remove the existing control panel (if replacing).
- Connect the integrated five-core cable from the new RDC6442S panel to the corresponding port on the Ruida mainboard.
- Secure the new panel in its designated slot.
- Reconnect the laser machine to power and turn it on.
Note:
- If you require a complete 6442S controller set (mainboard, panel, and cables), please refer to ASIN B079P1SLCL.
4.3. Visual Installation Guide
The following video demonstrates the connection process for the Cloudray Ruida 6442 Panel.
5. Operation
The RDC6442S panel provides comprehensive control over your laser machine. Familiarize yourself with the button layout and menu navigation for efficient operation.
5.1. Basic Controls
- Directional Buttons (Up, Down, Left, Right): Used for navigating menus and manually moving the laser head (X and Y axes).
- Z/U Buttons: Used for controlling the Z-axis (up/down movement of the laser bed or head for focusing).
- Reset: Resets the system or current operation.
- Pulse: Initiates a short laser pulse for testing.
- Speed: Adjusts the engraving/cutting speed.
- Min/Max Power: Sets the minimum and maximum laser power levels.
- File: Accesses stored job files.
- Start/Pause: Starts or pauses a laser job.
- Esc: Exits the current menu or operation.
- Enter: Confirms a selection or enters a menu.
- Origin: Sets the current position as the job origin.
- Frame: Outlines the job area with the laser (low power).

5.2. Menu Navigation
Use the directional buttons to navigate through the various menus displayed on the 3.5-inch screen. Press Enter to select an option and Esc to go back. The menus allow access to settings such as IP configuration, language selection, and diagnostic information.


6. Troubleshooting
This section addresses common issues you might encounter with your RDC6442S Control Panel.
6.1. LCD Screen Not Lighting Up
If the 3.5-inch LCD screen does not light up, it is often due to a loose cable connection. Follow these steps:
- Ensure the laser machine is powered off and unplugged.
- Carefully remove the display panel.
- Locate the screw at the back of the display panel and unscrew it.
- Open the LCD screen housing.
- Firmly re-plug the display cable to ensure a secure connection.
- Reassemble the panel and test.
6.2. Diagnostic Menu
The control panel includes a diagnostic menu that can help identify issues with limit switches, water protection, and other system parameters. Navigate to the 'Diagnosis' option in the main menu to view the status of various components.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | RDC6442 |
| Compatible Controllers | Ruida 6442S, 6442G |
| Display Screen | 3.5 inches, Colorful |
| Panel Dimensions | 6.7 x 4.9 inches |
| Item Weight | 15.9 oz (panel), 15.8 ounces (item) |
| Package Dimensions | 8.23 x 5.87 x 4.45 inches |
| Manufacturer | CLOUDRAY |
| Date First Available | March 14, 2018 |

8. Maintenance
To ensure the longevity and optimal performance of your Cloudray Ruida RDC6442S Control Panel, follow these general maintenance guidelines:
- Cleaning: Regularly wipe the screen and buttons with a soft, dry, lint-free cloth. Avoid using abrasive cleaners or solvents that could damage the surface.
- Connection Checks: Periodically inspect all cable connections to ensure they are secure and free from damage. Loose connections can lead to intermittent operation or display issues.
- Environmental Conditions: Operate the panel within recommended environmental conditions (temperature, humidity) to prevent damage to electronic components.
9. Warranty and Support
Specific warranty details for the Cloudray Ruida RDC6442S Control Panel are typically provided at the point of purchase or within the product packaging. For detailed warranty information, technical support, or service inquiries, please contact Cloudray customer service directly through their official channels or the retailer from whom the product was purchased.





