1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your TOAUTO DRO-LCD 2 Axis Digital Readout system. This precision instrument is designed to enhance the accuracy and efficiency of various machine tools, including milling machines, lathes, boring machines, grinding machines, and EDM equipment. Please read this manual thoroughly before using the device to ensure safe and optimal performance.
2. Safety Information
- Always disconnect power before performing any installation, maintenance, or cleaning procedures.
- Ensure all electrical connections are secure and correctly wired according to the pinout diagram to prevent damage to the unit or connected scales.
- Operate the DRO unit within the specified voltage range (AC 80V-250V / 50HZ-60HZ).
- Avoid exposing the unit to excessive moisture, dust, or extreme temperatures.
- Do not attempt to disassemble or repair the unit yourself. Refer to qualified service personnel.
- Keep the display screen and keyboard clean and free from debris to ensure clear visibility and proper function.
3. Package Contents
Upon opening the package, verify that all the following items are included:
- TOAUTO DRO-LCD 2 Axis Digital Readout Unit
- Power Cable
- Mounting Bracket and Hardware
- English User Manual
Image: Contents of the TOAUTO DRO-LCD 2 Axis package. Includes the DRO unit, power cable, user manual, and mounting accessories.
4. Product Overview
The TOAUTO DRO-LCD 2 Axis Digital Readout is a robust and reliable measurement system designed for industrial applications. It features a clear LCD display and a durable keyboard for ease of use.
Image: Front view of the TOAUTO DRO-LCD 2 Axis Digital Readout unit, showing the LCD display and control panel.
Key Features:
- 2-Axis Measurement: Provides precise digital readings for two axes of movement.
- High Resolution: Supports resolutions down to 0.5µm (0.00002").
- LCD Display: Features a clear, high-definition LCD for easy reading of measurements.
- Durable Construction: Robust casing and a durable keyboard designed for industrial environments, offering resistance to corrosion, scratches, and friction.
- Signal Protection: Signal lines are protected by multi-layer isolating wire and metal softshell to minimize disturbance.
Dimensions:
Image: Dimensional drawing of the TOAUTO DRO-LCD 2 Axis unit, indicating a width of 280mm (11.02"), height of 175mm (6.88"), and depth of 50mm (1.97").
5. Setup and Installation
Proper installation of your TOAUTO DRO-LCD 2 Axis Digital Readout system is crucial for accurate and reliable performance. Follow these steps carefully.
Connecting the Linear Scales
The DRO unit connects to linear scales via 9-pin D-sub connectors. Ensure the pin definitions of your scales match the specifications below to prevent damage and ensure proper functionality. If purchasing scales separately, verify compatibility with the TOAUTO brand specifications.
Image: Rear view of the DRO-LCD 2 Axis unit showing the 9-pin D-sub connector ports and a detailed pinout diagram.
The pin assignments for the 9-pin D-sub connector are as follows:
| PIN | NAME |
|---|---|
| 1 | +5V |
| 2 | 0V |
| 3 | A |
| 4 | B |
| 5-9 | Blank |
Connect your linear scales to the corresponding 9-pin ports on the rear of the DRO unit. Ensure connections are secure.
Mounting the DRO Unit
The DRO unit should be mounted in a location that provides clear visibility of the display and easy access to the controls during machine operation. Use the included mounting bracket and hardware to secure the unit. Avoid locations with excessive vibration, direct sunlight, or extreme temperatures.
6. Operating Instructions
This section details the various functions and operations of the TOAUTO DRO-LCD 2 Axis Digital Readout. Familiarize yourself with the control panel layout.
Image: Front panel of the DRO-LCD 2 Axis unit with labels indicating the display, axis selection, zeroing, numeric keypad, function keys (F1-F6), and other controls.
Basic Functions:
- Power On/Off: Use the power switch located on the rear of the unit.
- Axis Selection: Press the 'X' or 'Y' buttons to select the desired axis for operation or display.
- Zeroing: Press the 'X0' or 'Y0' buttons to set the current position of the selected axis to zero.
- Clearing: Use the 'AC' button to clear entries or reset functions.
- Numeric Keypad: Enter numerical values for settings or calculations.
- Unit Conversion: The unit supports switching between metric (mm) and imperial (inch) measurements. Refer to the manual for specific button sequences.
Advanced Functions:
The DRO-LCD 2 Axis system includes several advanced functions to aid in complex machining operations:
- SDM Memory: Stores up to 200 sets of data, allowing for quick recall of frequently used positions or settings.
- Power-Off Memory: Retains settings and last position data for up to 10 years, ensuring continuity after power interruptions.
- Circumference Drilling: Facilitates drilling patterns on a circular path. (Accessed via F1-F6 function keys).
- Oblique Line Drilling: Assists in drilling holes along an angled line. (Accessed via F1-F6 function keys).
- 1/2 Centering: Quickly finds the center point between two measured points.
- Calculator: An integrated calculator is available for convenient on-the-fly calculations.
- Resolution Adjustment: The display resolution can be adjusted to 10µm, 5µm, 2µm, 1µm, or 0.5µm.
For detailed instructions on accessing and utilizing each advanced function, refer to the specific sections in the comprehensive user manual provided with your product.
7. Maintenance
Regular maintenance ensures the longevity and accuracy of your DRO system.
- Cleaning: Wipe the display screen and unit casing with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth with a mild cleaning solution, then dry thoroughly. Avoid abrasive cleaners or solvents.
- Environmental Protection: Keep the unit free from excessive dust, metal chips, and coolant splashes. Consider using a protective cover when the machine is not in use.
- Cable Inspection: Periodically check all connecting cables for signs of wear, damage, or loose connections.
8. Troubleshooting
This section addresses common issues you might encounter with your DRO-LCD 2 Axis unit.
| Problem | Possible Cause | Solution |
|---|---|---|
| Display does not power on. | No power supply; loose power cable. | Check power connection; ensure power outlet is functional. |
| No reading or incorrect reading on an axis. | Loose scale connection; damaged scale; incorrect pinout. | Verify scale cable connection; inspect scale for damage; confirm pinout compatibility. |
| Buttons are unresponsive. | Unit frozen; debris under buttons. | Power cycle the unit; clean the keyboard area. |
| Inaccurate measurements. | Scale contamination; improper calibration. | Clean linear scales; perform calibration as per detailed manual. |
For more complex issues or if the problem persists, refer to the detailed troubleshooting guide in the full user manual or contact TOAUTO technical support.
9. Specifications
| Feature | Specification |
|---|---|
| Model | DRO-LCD 2 Axis |
| Display Type | LCD |
| Supply Voltage | AC 80V-250V / 50HZ-60HZ |
| Acceptable Resolution | 10µm, 5µm, 2µm, 1µm, 0.5µm |
| Measurement Accuracy | 5µm |
| Material | Glass, Metal |
| Max. Linear Scale Range (Typical) | 1000 mm (40") |
| Part Number | DRO-VVK-001 |
| GTIN / UPC | 191673166077 |
10. Warranty and Support
All TOAUTO products are provided with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects and ensures the product is free from material and workmanship flaws under normal use.
TOAUTO also offers lifetime technical support for this product. If you encounter any issues, have questions regarding installation, operation, or require assistance with troubleshooting, please contact TOAUTO customer service. Refer to the contact information provided in your product packaging or on the official TOAUTO website for support.