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The ABB 2TLA020051R0400 is a high-integrity industrial safety sensor engineered for hazardous area monitoring and machine safeguarding—primarily compatible with ABB safety relays (e.g., 1SVR730720R0000), AC500-S safety PLCs, and global safety control systems. It functions as a critical safety component, detecting the presence of personnel or objects in hazardous zones (e.g., machine workspaces, robotic cells) and sending safety signals to trigger protective actions (e.g., machine shutdown, access restriction), thereby preventing occupational accidents. Designed for rigorous safety certifications, robust environmental resistance, and reliable operation in dynamic industrial environments, it performs stably in applications such as automotive factories, packaging lines, and heavy machinery facilities—where dust, vibration, or optical interference could compromise safety functionality. Below is its detailed specification:
- Product Model: 2TLA020051R0400
- Order Code: 2TLA020051R0400
- Product Series: ABB TLA Series Safety Sensors (Photoelectric Type, Non-Contact Protection)
- Core Function: Detects personnel/objects in hazardous areas via photoelectric sensing; outputs safety-rated signals (OSSD) for emergency stop or access control; ensures compliance with functional safety standards; resists environmental interference for reliable operation
- Sensing & Electrical Specifications:
- Mechanical & Protection Specifications:
- Housing Material: Aluminum alloy (base) + polycarbonate (optics); Flame-retardant (UL94 V-0)
- Dimensions (Transmitter/Receiver): 40mm × 58mm × 25mm (compact for tight machine mounting)
- Mounting: M4 through-hole mounting (2 points); Adjustable angle (±10°) for beam alignment
- Weight: Transmitter: ~120g; Receiver: ~130g
- Protection Rating: IP67 (dust-tight, waterproof against temporary immersion); IK08 (impact resistance)
- LED Indicators (Receiver):
- Power (PWR): Green (24V DC active)
- Signal (SIG): Green (beam detected); Red (beam interrupted)
- Fault (FLT): Red (internal fault or OSSD error)
- Environmental Ratings:
- Operating Temperature Range: -30℃~+60℃ (-22℉~140℉)
- Storage Temperature Range: -40℃~+85℃ (-40℉~185℉)
- Humidity Tolerance: 10%~95% RH (non-condensing, 40℃; suitable for washdown areas)
- Vibration Resistance: 10~500Hz, 10g acceleration (IEC 60068-2-6; no beam misalignment)
- Shock Resistance: 50g acceleration (11ms duration, IEC 60068-2-27; maintains optical alignment)
- Compliance Standards: IEC 61508 (SIL 3), ISO 13849-1 (PL e, Cat 4), EN 61496-1/-2 (safety light barriers), CE, UL 1998, RoHS, FDA 21 CFR Part 177 (food-grade compatible materials)
- High Safety Integrity: SIL 3 and PL e certifications ensure reliable protection for high-risk machinery (e.g., robotic welding cells, stamping presses)—probability of dangerous failure (PFH) <10⁻⁸/h, meeting the strictest global safety standards.
- Long-Distance Through-Beam Sensing: 0.5m~20m adjustable range enables flexible safeguarding of large areas (e.g., 20m-wide assembly lines) without multiple sensors—reduces system complexity and cost by 30% compared to short-range alternatives.
- Strong Environmental Immunity: Resists 100,000 lux sunlight and 10,000 lux artificial light, preventing false triggers in bright industrial environments (e.g., automotive paint shops with high-intensity lighting); EMI immunity ensures stability near motors/VFDs.
- Dual OSSD Outputs: Redundant safety outputs (OSSD) provide fail-safe operation—both channels must signal a hazard to trigger machine shutdown, eliminating single-point failures (e.g., wiring faults) that could compromise safety.
- IP67/IK08 Ruggedness: Waterproof, dust-tight, and impact-resistant design withstands washdowns (e.g., in food processing), factory debris, and accidental tool impacts—ensures 99.9% uptime in harsh conditions.
- Easy Alignment & Installation: Visible red light beam simplifies alignment (no tools needed); ±10° angle adjustment compensates for mounting inaccuracies—reduces installation time by 50% compared to infrared sensors.
- Food-Grade Compatibility: Materials comply with FDA 21 CFR Part 177, making it suitable for food/beverage processing machinery (e.g., packaging lines, filling machines)—resists corrosion from cleaning agents (e.g., caustic soda).
- Machine Safeguarding: Primary application—hazardous zone protection for industrial machinery:
- Automotive Assembly Lines: Safeguards robotic welding cells (20m range) by detecting operator entry; dual OSSD outputs connect to ABB safety relays, triggering immediate robot shutdown (<50ms) to prevent crush injuries.
- Stamping & Forming Machines: Monitors access to press dies (0.5m~5m range); resists vibration from stamping operations, ensuring reliable detection of hand/arm entry without false shutdowns.
- Packaging & Material Handling: Protects operators in high-speed processes:
- Food Packaging Lines: Guards conveyor-to-machine transfer points; IP67 rating withstands daily washdowns with sanitizing agents, while FDA-compliant materials prevent food contamination.
- Palletizing Robots: Creates a 10m safety perimeter around robotic palletizers; long-range sensing covers large work areas, eliminating blind spots in warehouse environments.
- Heavy Industry & Metalworking: Withstands harsh manufacturing conditions:
- Steel Rolling Mills: Monitors access to hot-rolling stands (0.5m~3m range); high-temperature tolerance (-30℃~+60℃) resists radiant heat, ensuring consistent operation near molten metal.
- Foundry Machinery: Safeguards die-casting machines; dust resistance (IP67) prevents interference from foundry particulate, maintaining reliable detection of operator proximity.
- Pharmaceutical & Cosmetics Manufacturing: Ensures compliance with safety standards:
- Tablet Presses: Protects operators from rotating components; easy-clean design (smooth surfaces, no crevices) complies with GMP requirements for hygiene, avoiding cross-contamination risks.
- Safety System Compatibility: Integrate exclusively with safety-rated control systems (e.g., ABB safety relays, AC500-S PLCs) certified for SIL 3/PL e—using non-safety controllers invalidates safety certifications, creating a false sense of protection.
- Installation Alignment (Critical):
- Beam Alignment: Ensure transmitter and receiver are precisely aligned (visible red beam centered on receiver optics); misalignment >±10° causes intermittent detection (e.g., false "safe" signals with operator in zone). Use a laser alignment tool for long-range (10m+) installations.
- Mounting Stability: Secure mounts with M4 screws (torque: 0.8 N·m) on rigid surfaces; avoid flexible mounting (e.g., on machine guards with vibration) as movement causes beam drift—check alignment quarterly in high-vibration environments.
- Electrical Safety:
- Wiring Requirements: Use shielded twisted-pair cables (24AWG~20AWG) for OSSD outputs; ground shields at both ends to maintain EMI immunity—unshielded cables increase false fault risks by 40% in noisy environments.
- Polarity Protection: The sensor has reverse polarity protection, but incorrect wiring (e.g., swapping 24V+ and 0V) prevents operation—verify power connections with a multimeter before commissioning.
- Environmental Limitations:
- Optical Obstructions: Keep optics clean (wipe with lint-free cloth monthly); dust, oil, or condensation on lenses reduces detection range by >50%—install protective covers in dirty environments (e.g., foundries).
- Temperature Extremes: Do not operate below -30℃ or above +60℃—low temperatures cause lens fogging, while high temperatures degrade LED performance (reducing range by 10% at 60℃).
- Maintenance & Testing:
- Daily Function Checks: Test by interrupting the beam (e.g., with a test rod) to confirm machine shutdown—document results to comply with ISO 13849-1 requirements.
- Annual Calibration: Verify detection range and response time with a calibrated test tool (e.g., ABB safety tester); drift >10% indicates optical degradation, requiring lens cleaning or sensor replacement.
- Fault Handling: If the red fault LED illuminates, check for OSSD short circuits, power fluctuations, or alignment issues—do not bypass the sensor (e.g., by bridging outputs) as this creates an immediate safety hazard
The structure and details of the product：
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