CLV620-0120 SICK Industrial Barcode Reader Fixed Mount Scanner

CLV620-0120 SICK CLV620 Series Fixed Mount Barcode Scanner CLV620-0120

Global PLC Spare HUB's Insight: When integrating fixed-mount scanners into high-speed conveyance lines, matching the scanning frequency range to conveyor belt speed prevents dropped packets and decoding timeouts. This SICK CLV620-0120 Fixed Mount Barcode Scanner delivers robust, high-precision performance for automated traceability systems. Belonging to the proven CLV620 Series Mid Range family, this compact unit utilizes an advanced line-scanning laser to decode standard 1D barcodes reliably across varying distances.

Technical Specifications Matrix

Global PLC Spare HUB Review: Verifying laser safety classifications and ambient light immunity limits ensures reliable operation under direct facility illumination.

• Brand: SICK
• Primary Model: CLV620-0120
• Series & Type: CLV620 Series / Fixed Mount Barcode Scanner (Line Scanner, Mid Range Version)
• Optical & Laser Performance: Red laser diode (655 nm), Class 2 safety, fixed focus, aperture angle ≤ 50°, reading distance 60 mm to 365 mm
• Scanning & Resolution: Scanning frequency 400 Hz to 1,200 Hz; code resolution 0.2 mm to 1 mm
• Supported 1D Barcode Types: Code 39, Code 128, Code 93, Codabar, GS1-128 / EAN 128, UPC/GTIN/EAN, Interleaved 2 of 5, Pharmacode, GS1 DataBar, Telepen, MSI/Plessey
• Performance Limits: Print ratio 2:1 to 3:1; PCS contrast ≥ 60%; up to 20 codes per scan; 1,500 characters max per reading interval
• Electrical Ratings: Supply voltage 10 V to 30 V DC, max power consumption 4.5 W
• Communication Interfaces: Ethernet (TCP/IP), PROFINET (optional via CDF600-2), EtherNet/IP, EtherCAT, RS-232, RS-422, RS-485, CAN, CANopen, PROFIBUS DP (via CDF600); 3 digital inputs, 2 digital outputs
• Environmental & Thermal: Operating temperature 0 °C to +40 °C, storage temperature -20 °C to +70 °C, relative humidity 90% non-condensing, ambient light immunity 2,000 lx on barcode
• Mechanical & Physical Profile: Die-cast aluminum housing (light blue RAL 5012), glass window, IP65 enclosure rating, Protection Class III, dimensions 61 × 66 × 38 mm, weight 205 g (excluding cables), MTBF 100,000 h, MTTF 40,000 h (laser diode)

Mechanical Installation & Integration Guide

Mount the CLV620-0120 securely using its die-cast aluminum frame, ensuring the laser line is perpendicular to the barcode travel path to maximize decoding efficiency. Connect incoming power and network lines using the two M12 cylindrical connectors positioned on the swivel adapter. Adjust the orientation to keep the reading distance strictly within the 60 mm to 365 mm sweet spot. Verify that the glass scanning window remains clean and free of dust or oil residue to prevent optical signal degradation.

Operational Diagnostics & Troubleshooting

The scanner features six onboard optical LEDs (Ready, Result, Laser, Data, CAN, LNK TX) alongside an integrated acoustic beeper to provide immediate feedback on read status. If read errors occur repeatedly, use the SOPAS ET configuration software to check the bar code print contrast (PCS) and adjust the scanning frequency between 400 Hz and 1,200 Hz. Ensure that the DC supply voltage remains stable within the 10V to 30V window to prevent unexpected reboots during data transmission over Ethernet or serial lines.

Typical Equipment & Application Environments

• Automated Conveyor Sorting: High-speed parcel tracking and package routing lines
• Pharmaceutical Packaging: Verification of Pharmacode and GS1-128 codes on medicine cartons
• Automotive Component Traceability: Tracking stamped metal parts and sub-assemblies on moving tracks
• Electronics Assembly: Scanning barcode labels on printed circuit board carriers

Logistics, Warranty & Fulfillment

• Shipping Speed: Rapid 24 to 48-hour order dispatch window
• Global Carrier Support: Trackable, secure deliveries handled via FedEx, UPS, and DHL
• Warranty Coverage: Fully protected by a comprehensive 12-month industrial replacement warranty

Professional Frequently Asked Questions

Q: Why does the SICK CLV620-0120 fail to read high-density barcodes even when positioned within the 60 mm to 365 mm range?
A: Verify that the barcode print contrast (PCS) meets or exceeds the 60% requirement and check if the code resolution falls within the supported 0.2 mm to 1.0 mm window.

Q: Can I connect this scanner directly to a PROFINET industrial network without extra hardware?
A: The scanner supports Ethernet and EtherNet/IP natively, but PROFINET and PROFIBUS integrations require an external fieldbus module such as the SICK CDF600-2.

Q: How do I clean the glass window without scratching the optical surface?
A: Use a soft, lint-free optical cleaning cloth dampened with isopropyl alcohol, avoiding abrasive materials that could impair laser focusing.

Q: What is the purpose of the integrated acoustic beeper on this barcode scanner?
A: The buzzer can be configured via SOPAS ET software to sound an audible alert upon a successful read event, providing instant manual verification on the shop floor.

Q: What engineering guidelines should I follow when choosing between the standard decoder and SMART620 decoding modes?
A: Choose standard decoder settings for general-purpose applications requiring up to 20 codes per scan, whereas SMART620 is optimized for challenging, damaged, or low-contrast codes up to 6 codes per scan.

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