Introduction
The SICK CLV631-2000 (Part No. 1041982) represents a pinnacle in industrial barcode scanning technology, belonging to SICK’s acclaimed CLV63x series of fixed mount barcode scanners. Engineered specifically for demanding industrial environments, this mid-range line scanner delivers exceptional 1D barcode reading performance with remarkable reliability and versatility. As industries increasingly demand traceability, quality control, and automated identification solutions, the CLV631-2000 stands as a trusted choice for manufacturers and logistics operators worldwide.
This comprehensive technical guide provides engineers, system integrators, and procurement specialists with detailed specifications, application insights, compatibility analysis, and practical purchasing recommendations for the CLV631-2000 barcode scanner.
Technical Specifications Matrix
Optical Performance
| Parameter | Specification |
|---|---|
| Version | Mid Range |
| Sensor Type | Line Scanner |
| Reading Field | Side (105°) |
| Optical Focus | Fixed Focus |
| Light Source | Visible Red Laser, 655 nm |
| Light Spot Shape | Circular |
| Laser Class | Class 2 (IEC 60825-1:2014, EN 60825-1:2014) |
| Aperture Angle | ≤ 50° |
| Reading Distance | 74 mm … 412 mm |
| Scanning Frequency | 400 Hz … 1,200 Hz |
| Code Resolution | 0.25 mm … 0.5 mm |
Mechanical and Electrical Specifications
| Parameter | Specification |
|---|---|
| Connection Type | 1 × 15-pin D-Sub HD male connector (0.9 m cable) |
| Supply Voltage | 18 V DC … 30 V DC |
| Power Consumption | 5 W |
| Housing Material | Aluminum die cast |
| Housing Color | Light Blue (RAL 5012) |
| Front Screen Material | Glass |
| Enclosure Rating | IP65 (EN 60529) |
| Protection Class | III (EN 61140) |
| Weight | 340 g (with connecting cable) |
| Dimensions (L × W × H) | 80 mm × 96 mm × 38 mm |
Safety and Reliability Parameters
| Parameter | Specification |
|---|---|
| MTBF | 100,000 hours |
| MTTF (Laser Diode) | 40,000 hours |
| Operating Temperature | 0 °C … +40 °C |
| Storage Temperature | -20 °C … +70 °C |
| Relative Humidity | 90%, non-condensing |
| Ambient Light Immunity | 2,000 lx on barcode |
| Bar Code Print Contrast (PCS) | ≥ 60% |
Performance Specifications
| Parameter | Specification |
|---|---|
| Readable Code Structures | 1D Codes |
| Bar Code 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 |
| Code Printing Process | Label (printed codes) |
| Print Ratio | 2:1 … 3:1 |
| Codes per Scan | 1 … 20 (Standard decoder), 1 … 6 (SMART decoder) |
| Codes per Reading Interval | 1 … 50 (auto-discriminating) |
| Characters per Reading Interval | 5,000 (500 for CAN multiplexer function) |
| Multiple Readings | 1 … 99 |
Communication Interfaces
Serial Interface
| Parameter | Specification |
|---|---|
| Protocols | RS-232, RS-422, RS-485 |
| Functions | Host, AUX |
| Data Transmission Rate | 2,400 Baud … 115.2 kBaud, AUX: 57.6 kBaud (RS-232) |
Fieldbus Integration
| Protocol | Integration Method | Functions |
|---|---|---|
| PROFINET | External module CDF600-2 | Single Port, Dual Port |
| EtherCAT | External module CDF600 | Fieldbus integration |
| CAN | On-board | SICK CAN Sensor Network (CSN) |
| CANopen | On-board | 20 kbit/s … 1 Mbit/s |
| PROFIBUS DP | External module CDF600-2 | Fieldbus integration |
| DeviceNet | External module (CDM + CMF) | Optional |
Digital I/O
| Parameter | Specification |
|---|---|
| Digital Inputs | 4 (“Sensor 1”, “Sensor 2”, 2 via CMC600 in CDB620/CDM420) |
| Digital Outputs | 4 (“Result 1”, “Result 2”, 2 via CMC600 in CDB620/CDM420) |
| Reading Synchronization | Auto pulse, CAN, Non-powered, “Sensor 1” switching input, Serial interface |
Key Features and Advantages
1. Advanced SMART Code Reconstruction Technology
The CLV631-2000 incorporates SICK’s enhanced SMART code reconstruction algorithm, a sophisticated reading system capable of accurately detecting barcodes even when they are damaged, partially covered, or contaminated. This technology significantly increases read rates in challenging industrial environments where barcode quality may vary due to printing defects, surface conditions, or handling damage.
2. High-Speed Scanning Performance
With scanning frequencies ranging from 400 Hz to 1,200 Hz, the CLV631-2000 enables real-time barcode identification even at high conveyor speeds. This makes it ideal for high-throughput applications in logistics, packaging, and manufacturing assembly lines where rapid product identification is critical.
3. Versatile Communication Options
The scanner supports multiple industrial communication protocols including RS-232/RS-422/RS-485 serial interfaces, CAN, CANopen, and optional PROFINET and EtherCAT via external fieldbus modules. This flexibility ensures seamless integration with various programmable logic controllers (PLCs) and industrial control systems.
4. Easy Configuration and Maintenance
Equipped with integrated function buttons and an LED bar graph, the CLV631-2000 enables quick commissioning without the need for a PC. The optional microSD memory card allows parameter storage and firmware updates, simplifying maintenance and device replacement procedures.
5. Robust Industrial Design
The IP65-rated die-cast aluminum housing provides excellent protection against dust and water ingress, while the glass front screen ensures durability in industrial settings. The scanner operates reliably in temperatures ranging from 0°C to +40°C and can withstand vibration and shock per EN 60068-2-6 and EN 60068-2-27 standards.
Application Scenarios
1. Warehouse Conveyor Technology
The CLV631-2000 excels in warehouse and distribution center applications, including:
- Picking station identification
- Secondary packaging verification
- Pallet foot identification
- Conveyor belt sorting systems
2. Consumer Goods Manufacturing
In consumer goods production environments, the scanner supports:
- Product serialization and tracking
- Package content monitoring
- Quality control checkpoints
- Assembly line verification
3. Food and Beverage Industry
With appropriate variants, the CLV631-2000 variants are suitable for:
- Washdown zone identification
- HACCP-compliant applications
- Cold storage facilities (with heating option)
- Production line traceability
4. Pharmaceutical Packaging
The scanner meets pharmaceutical industry requirements for:
- Drug serialization (GS1-128/EAN 128 support)
- Batch tracking and tracing
- Regulatory compliance documentation
5. Automotive Manufacturing
In automotive production, the CLV631-2000 provides:
- Component tracking through assembly
- Quality assurance verification
- Supply chain traceability
Compatibility and System Integration
PLC Compatibility
The CLV631-2000 integrates seamlessly with major industrial PLC platforms:
| PLC Manufacturer | Integration Method |
|---|---|
| Siemens (S7-1200, S7-1500, S7-300/400) | PROFINET via CDF600-2 or Serial RS-232/RS-485 |
| Allen-Bradley (MicroLogix, CompactLogix, ControlLogix) | EtherNet/IP or Serial via gateway |
| Mitsubishi (iQ-R, iQ-F, Q Series) | CC-Link or Serial communication |
| Schneider Electric (Modicon) | CANopen or Serial RS-485 |
| ABB | PROFINET or Serial communication |
Connection Modules and Accessories
For enhanced system integration, SICK offers compatible connection modules:
| Module | Part Number | Description |
|---|---|---|
| CDB620-001 | 1042256 | Connection module for CLV61x-CLV65x |
| CDM420-0001 | – | Connection module with heating support |
| CDF600-2 | – | PROFINET fieldbus module |
| CDF600 | – | EtherCAT fieldbus module |
| CMC600-101 | 1042259 | External parameter memory (cloning module) |
Cable Requirements
The CLV631-2000 features an integrated 0.9 m cable with a 15-pin D-Sub HD male connector. For extended connections, SICK recommends using only SICK-approved cables to maintain IP65 rating and UL certification. Cable extensions beyond 2 m may void UL certification.
Alternative and Compatible Models
SICK CLV63x Series Comparison
| Model | Range | Reading Field | Typical Application |
|---|---|---|---|
| CLV630-xxxx | Long Range | Front/Side | Large pallets, distant reading |
| CLV631-xxxx | Mid Range | Front/Side | General conveyor applications |
| CLV632-xxxx | Short Range | Front/Side | Close-proximity scanning |
Competitive Alternatives
While the SICK CLV631-2000 offers excellent value, users may consider these alternatives based on specific requirements:
| Alternative | Key Differences |
|---|---|
| Cognex In-Sight 7000 | 2D code capability, higher price point, AI-enhanced reading |
| Keyence SR-2000 | Wider field of view, autofocus, premium pricing |
| OMRON V280 | Compact design, limited protocol support |
| Banner Engineering Q4X | Cost-effective, basic functionality |
Why Choose CLV631-2000?
- Cost-effective for 1D barcode applications
- Proven reliability with 100,000 hour MTBF
- Wide protocol support for industrial integration
- SICK ecosystem including global support and service
Purchasing Guide
Pricing Considerations
The SICK CLV631-2000 (Part No. 1041982) is typically priced in the range of USD 1,500-2,500 depending on:
- Regional distributor and availability
- Volume discounts for bulk orders
- Included accessories and warranty packages
- Technical support and service agreements
What to Verify Before Purchase
1. Power Supply Compatibility: Ensure 24 V DC power supply availability (±10% tolerance)
2. Communication Protocol: Confirm PLC/control system compatibility
3. Mounting Requirements: Verify mounting bracket availability for installation
4. Cable Length: Determine required cable extension or gateway needs
5. Environmental Conditions: Confirm IP65 rating meets application requirements
Recommended Accessories
| Accessory | Purpose |
|---|---|
| Mounting Bracket (2042800) | Secure installation |
| Connection Module CDB620-001 | Simplified wiring and fieldbus integration |
| microSD Memory Card (4051366) | Parameter backup and firmware updates |
| Cloning Module CMC600-101 | Quick device replacement |
Warranty and Support
SICK provides standard warranty coverage with options for extended service agreements through their LifeTime Services program. Technical support, spare parts availability, and performance verification services are available globally through SICK’s application centers in Europe, Asia, and North America.
Installation Best Practices
Mounting Guidelines
- Use M5 blind hole threads (5 mm deep) for mounting
- Maintain minimum distance from reflective surfaces
- Avoid exposure to strong air movement in cold environments
- Shield from direct sunlight if possible
Electrical Connection
- Connect/disconnect only under de-energized conditions
- Use wire cross-sections ≥ 0.75 mm² for power supply
- Consider voltage drop for long cable runs
- Protect power supply with appropriate fuse (3-4 A recommended)
Configuration Tips
- Use SOPAS ET software for initial setup
- Utilize auto-setup function for quick commissioning
- Configure reading field based on product size and speed
- Set up result outputs for PLC integration
Conclusion
The SICK CLV631-2000 barcode scanner represents a robust, versatile, and reliable solution for industrial barcode scanning applications. Its combination of mid-range reading capability, extensive protocol support, and proven durability makes it an excellent choice for manufacturers and logistics operators seeking to implement or upgrade automated identification systems.
With its advanced SMART code reconstruction technology, high scanning speeds, and flexible integration options, the CLV631-2000 delivers consistent performance in demanding environments while maintaining cost-effectiveness compared to more sophisticated vision systems. The extensive SICK ecosystem, including global support infrastructure and compatible accessories, ensures smooth implementation and long-term reliability.
For organizations prioritizing 1D barcode scanning in industrial automation applications, the SICK CLV631-2000 (Part No. 1041982) merits serious consideration as a cornerstone technology for product identification, traceability, and quality control initiatives.
References
1. SICK AG. (2024). CLV631-2000 Product Data Sheet. SICK Sensor Intelligence.
2. SICK AG. (2024). CLV63x Fixed Mount Barcode Scanners Product Family Overview.
3. SICK AG. (2023). Technical Information: CLV62x, CLV63x and CLV64x with IP69K Protective Housing.
4. SICK AG. (2024). CLV63x, CLV64x and CLV65x Bar Code Scanners with Heating – Technical Information.
5. IEC 60825-1:2014. Safety of laser products – Part 1: Equipment classification and requirements.
6. EN 60529:1991+A1:2000. Degrees of protection provided by enclosures (IP Code).
7. EN 61140:2016. Protection against electric shocks – Common aspects for installation and equipment.
8. EN 61000-6-3:2007. Electromagnetic compatibility (EMC) – Generic standards – Emission standard.
9. EN 61000-6-2:2005. Electromagnetic compatibility (EMC) – Generic standards – Immunity standard.
10. EN 60068-2-6:2008. Environmental testing – Vibration testing.
11. EN 60068-2-27:2009. Environmental testing – Shock testing.
12. GS1 General Specifications. GS1AISG1GEIR-2015. GS1 Global Office.
13. Farnell Element 14. SICK CLV631 Product Listing and Technical Documentation.
14. Rustco Canada Ltd. CLV63x Family Overview Technical Data.
15. TransferTech. (2026). Industrial Vision Brand Comparison Analysis.