BLUPOWHT SR-751
SR-751 High Performance Compact 1D and 2D Code Reader User Manual
Model: SR-751 | Brand: BLUPOWHT
Product Overview
The SR-751 is an Ethernet-compatible 2D Code Reader designed for high-performance reading of both 1D and 2D codes. It features automatic tuning, autofocus, and built-in polarization to simplify the reading of even difficult codes. This device integrates seamlessly into various systems through its built-in I/O and field network functionalities, including EtherNet/IP and Profinet.
Figure 1: Front view of the SR-751 Code Reader, showing the lens, lighting elements, and indicator lights.
Setup and Installation
Proper installation is crucial for optimal performance of the SR-751. Ensure the mounting surface is stable and free from vibrations.
Mounting the Device
The SR-751 can be mounted using standard brackets. Refer to the included mounting bracket for proper orientation and screw placement.
Figure 2: The SR-751 Code Reader packaged with its mounting bracket and a printed instruction manual.
Electrical Connections
Connect the power supply and I/O cables to the appropriate ports on the device. The SR-751 supports EtherNet/IP and Profinet for network integration.
- Power Input: Ensure the power supply meets the specified voltage and current requirements (e.g., 24 VDC, 250 mA).
- Control Input: Two bidirectional voltage inputs are available.
- Control Output: Three Photo MOS relay outputs are available.
Figure 3: Side view of the SR-751, highlighting the network and power connection ports, along with regulatory labels.
Operating Instructions
The SR-751 is designed for ease of use with features like automatic tuning and autofocus.
Initial Power-On
- After connecting all cables, apply power to the device.
- Observe the indicator lights on the front panel for status.
Code Reading
Position the code within the device's field of view. The SR-751 can read various 1D and 2D codes, including QR, DataMatrix, and common barcodes.
- Automatic Tuning: The device automatically adjusts settings for optimal reading.
- Autofocus: The lens adjusts to ensure clear focus on the code.
- Built-in Polarization: Helps in reading codes on reflective surfaces.
The typical reading distance for DataMatrix/QR codes (cell size = 0.5 mm) is 45 to 165 mm. For barcodes (narrow bar width = 0.5 mm), it is 45 to 195 mm.
Maintenance
The SR-751 is designed for minimal maintenance. Regular cleaning of the lens and housing is recommended to ensure optimal performance.
- Lens Cleaning: Use a soft, lint-free cloth and a mild lens cleaning solution. Avoid abrasive materials.
- Housing Cleaning: Wipe the exterior with a damp cloth. Do not use harsh chemicals.
- Environmental Considerations: Ensure the operating environment is within specified temperature and humidity ranges to prevent damage.
Troubleshooting
This section provides solutions to common issues encountered with the SR-751.
Common Issues and Solutions
- Device not powering on:
- Check power cable connection.
- Verify power supply voltage and current.
- Unable to read codes:
- Ensure the code is within the specified reading distance and field of view.
- Clean the lens for any obstructions or smudges.
- Verify code quality and contrast.
- Check for excessive ambient light interference.
- Network communication issues:
- Verify Ethernet cable connection.
- Check network settings and IP configuration.
- Ensure compatibility with EtherNet/IP or Profinet systems.
If issues persist, refer to the detailed specifications or contact technical support.
Specifications
Detailed technical specifications for the SR-751 High Performance Compact 1D and 2D Code Reader.
| Category | Specification |
|---|---|
| Model | SR-751 |
| Type | Middle-range type |
| Receiver Sensor | CMOS Image Sensor |
| Number of Pixels | 752 × 480 pixels |
| Light Source | Red LED |
| Laser Pointer | Visible semiconductor laser, Wavelength 660 nm |
| Laser Class | Class 1 Laser Product (IEC60825-1, (CDRH) Part 1040.10) |
| Minimum Resolution (2D) | 0.19 mm |
| Minimum Resolution (Barcode) | 0.127 mm |
| Supported 2D Symbols | QR, MicroQR, DataMatrix (ECC200), GS1 DataMatrix, PDF417, MicroPDF, Composite Code (CC-A, CC-B, CC-C) |
| Supported Barcode Symbols | GS1DataBar, CODE39, ITF, NW-7 (Codabar), CODE128, GS1-128, JAN/EAN/UPC, CODE39 FullASCII, CODE93, 2of5 (Industrial 2of5), COOP 2of5, Trioptic CODE39 |
| Reading Distance (DataMatrix QR) | 45 to 165 mm (Cell size = 0.5 mm) |
| Reading Distance (Barcode) | 45 to 195 mm (Narrow bar width = 0.5 mm) |
| Focal Distance | 100 mm |
| Field of View (at focal distance) | 70.6 mm × 45.0 mm |
| Control Input (Number) | 2 |
| Control Input (Type) | Bidirectional voltage input |
| Control Input (Max Rating) | 26.4 VDC |
| Control Output (Number) | 3 |
| Control Output (Type) | Photo MOS relay output |
| Control Output (Max Rating) | 30 VDC |
| Control Output (Max Load Current) | 1 output: 50 mA or less, Total of 3 outputs: 150 mA or less |
| Package Dimensions | 1.18 x 0.79 x 0.39 inches |
| Item Weight | 1.76 ounces |
Figure 4: Bottom view of the SR-751, illustrating the mounting screw holes and a label with detailed product specifications.
Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact the manufacturer directly.
Manufacturer: BLUPOWHT
For further assistance, please visit the official BLUPOWHT website or contact their customer service department.
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