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Scanner complies with IEC 60825 Class II laser safety standards. Avoid long-term staring into direct laser light.
Read instructions completely, follow all, heed warnings. Prepare Philips screwdriver before disassembling the A-50M+.
The A-50M+ Omnidirectional Laser Scan Module is a sophisticated device designed for efficient and accurate barcode scanning in various applications. This service guide provides comprehensive information for understanding, operating, and maintaining the scanner, ensuring optimal performance and longevity.
The A-50M+ is an omnidirectional laser scan module, meaning it can read barcodes from multiple angles without requiring precise alignment of the barcode with the scanner. This capability significantly enhances user convenience and throughput, especially in fast-paced retail or logistics environments where speed and efficiency are paramount. The module utilizes two low-power visible laser diodes, operating at 650nm, within an opto-mechanical scanner. This dual-laser system allows for robust and reliable scanning of various 1D barcodes. The scanner is designed for hands-free operation, making it ideal for integration into point-of-sale systems, kiosks, or other fixed installations where items are passed over the scanning window. Its primary function is to quickly and accurately capture barcode data, which can then be transmitted to a host system for processing, inventory management, or transaction completion.
The A-50M+ is engineered for ease of use and integration. Its omnidirectional scanning pattern eliminates the need for specific barcode orientation, allowing users to simply present items to the scan window for immediate reading. This feature is particularly beneficial in high-volume environments, reducing operator fatigue and training time. The scanner's design focuses on reliability and consistent performance, ensuring that it can withstand continuous operation in demanding settings. The device is compliant with safety standards IEC 60825 for a Class II laser product and CDRH for a Class IIa laser product, indicating its safe operation under normal conditions. Users are advised to avoid prolonged direct staring into the laser light, although the radiated power is kept to a minimum (less than 3.9µW observed through a 7mm aperture averaged over 10 seconds). The scan window is the only aperture through which laser light may be observed, and safeguards are in place to prevent continuous emission of a stationary laser beam in case of motor failure. Should a stationary laser beam be emitted, the scanner should be immediately disconnected from its power source. The module is designed for fixed mounting, making it a suitable component for custom scanning solutions. The provided cables, including RS-232 and USB options, offer flexible connectivity to various host systems, ensuring broad compatibility. The compact design of the module allows for discreet integration into existing setups without requiring significant space.
The A-50M+ is designed with a focus on serviceability, allowing for component replacement and troubleshooting. The service guide outlines a clear procedure for disassembling the scanner, which is crucial for maintenance and repair. Key components, such as the top case assembly, bottom case assembly, center mirror base assembly, FFC cable, buzzer+LED board assembly, and various screws and spacers, are identified and listed with their respective part numbers and quantities. This detailed breakdown facilitates ordering and replacing specific parts, minimizing downtime.
The disassembly process begins with unscrewing the screws and removing the cover, followed by separating the front and back covers and detaching the FFC cable. Further steps involve removing screws pointed by red arrows, taking out the sealing rubber, and then removing the center mirror base. Finally, the cables in the circle and the FFC cable can be removed. This systematic approach ensures that technicians can access internal components safely and efficiently.
It is important to note that the scanner contains no user-serviceable parts inside its protective housing, and users are explicitly warned against attempting any adjustments or alterations to the product, or removing the protective housing. Such actions could result in hazardous laser light exposure and void the warranty. Maintenance should only be performed by qualified personnel following the instructions provided in this service guide. The use of optical instruments with this product is also cautioned against, as it will increase the eye hazard. The manual emphasizes the importance of using an approved, CE-marked power supply unit to maintain CE conformance for units used in CE-Countries. The revision history provided in the manual indicates ongoing updates to the device, with version 1.1 featuring an engine update and version 1.2 including a buzzer board update, reflecting a commitment to continuous improvement and support for the product. The availability of a detailed parts list and clear disassembly instructions underscores the manufacturer's intent to support the long-term maintainability of the A-50M+ module.
General| Operating Temperature | 0°C to 50°C (32°F to 122°F) |
|---|---|
| Storage Temperature | -20°C to 60°C (-4°F to 140°F) |
| Humidity | 5% to 95% (non-condensing) |
| Ambient Light Immunity | Up to 100, 000 Lux |
| Input Voltage | 5 VDC ± 10% |
| Minimum Bar Width | 4 mil (0.1 mm) |
| Print Contrast | 30% |
| Beeper Operation | Programmable tone & volume |
| Interfaces Supported | RS-232, USB, Keyboard Wedge |
| Drop Test | 1.5 m (5 ft) |
| EMC | CE, FCC, BSMI |
| Scanning Technology | Linear imaging |
| Decoding Capability | UPC/EAN, Code 39, Code 128 |
