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ABB TK812V015 Simplex Plastic Optical Fiber 

1. Key Parameters

• Product Model: TK812V015
• Product Series: ABB TK Series Simplex Plastic Optical Fibers (Unidirectional Industrial Optical Communication)
• Core Function: Enables unidirectional optical data transmission between ABB automation components (e.g., sensors to I/O modules, remote terminals to controllers); provides EMI-immune communication for short-range industrial links; simplifies wiring with a single-fiber design; ensures compatibility with ABB optical interfaces (e.g., TB811, TU848)
• Optical & Transmission Specifications:

  Parameter	Details	Performance Metrics
  Fiber Core Characteristics	- Type: Simplex plastic optical fiber (POF), step-index - Core Material: PMMA (high-transparency grade) - Core Diameter: 1mm (single core) - Cladding Diameter: 1.5mm (fluoropolymer cladding) - Numerical Aperture (NA): 0.5 ± 0.05	Large 1mm core eliminates precision alignment requirements, reducing installation time by 50% vs. glass fiber (0.25mm core)
  Transmission Performance	- Wavelength Compatibility: 650nm (visible red LED sources, standard for industrial POF) - Attenuation: ≤12dB/km (at 650nm, lower loss than standard POF) - Maximum Data Rate: 100Mbps (up to 30m); 10Mbps (up to 80m) - Maximum Transmission Distance: 80m (10Mbps); 30m (100Mbps)	Optimized for short-range unidirectional tasks (e.g., 20m sensor-to-PLC links), balancing speed and distance for factory-floor applications
  Mechanical & Structural Design	- Fiber Configuration: Simplex (1 core, no return path) - Jacket Material: Flame-retardant PVC (UL 94 V0), oil-resistant - Jacket Color: Orange (industry-standard for POF, easy identification) - Outer Diameter: 3mm (slim profile for dense wiring) - Bending Radius: 20mm (static); 40mm (dynamic)	Slim 3mm jacket saves 40% space vs. duplex fibers; flexible design withstands repeated bending (e.g., cabinet reconfiguration) without core damage
  Connector & Compatibility	- Connector Type: ABB proprietary push-pull simplex connector (keyed, anti-reverse polarity) - Connector Material: Glass-fiber reinforced polyamide (PA66+GF, impact-resistant) - Mating Cycles: ≥500 (mechanical life) - Compatible ABB Devices: TB811 optical ports, S800 I/O optical modules, TU848 termination units with optical interfaces	Plug-and-play integration with ABB systems—no polishing/epoxy required; keyed design prevents reverse installation (critical for unidirectional links)

• Environmental Ratings:
  • Operating Temperature Range: -20℃~+75℃ (-4℉~167℉)
  • Storage Temperature Range: -40℃~+85℃ (-40℉~185℉)
  • Humidity Tolerance: 5%~95% RH (non-condensing, 40℃)
  • Chemical Resistance: Resistant to mineral oils, mild detergents, and dilute alkalis (IEC 60068-2-54)
  • Vibration Resistance: 10~500Hz, 1.2g acceleration (no fiber breakage or attenuation increase)
• Compliance Standards: CE, RoHS, ABB Optical Communication Standard V2.1, UL 94 V0 (flame retardancy), IEC 61032 (safety of electrical equipment enclosures)

2. Key Features

• Unidirectional Simplex Design: Single fiber core for one-way data transmission—ideal for applications requiring only a transmit path (e.g., temperature sensor → S800 AI module, valve status → 800xA DCS), reducing material costs by 30% vs. duplex fibers.
• EMI-Immune Optical Signal: Plastic optical fiber is inherently immune to electromagnetic interference (EMI) and radio frequency interference (RFI)—eliminates signal corruption from nearby motor drives, transformers, or high-voltage lines (common in steel mills, automotive plants).
• Large 1mm Core & Push-Pull Connectors: No precision alignment needed—field technicians can install connectors with a simple "click," reducing termination errors by 60% vs. glass fiber (which requires polishing and alignment tools).
• Slim 3mm Jacket & Flexible Bending: Saves space in dense control cabinets and simplifies routing around equipment—20mm static bending radius withstands tight turns (e.g., between cabinet shelves) without core cracking, unlike brittle glass fiber.
• Low Attenuation (≤12dB/km): Outperforms standard POF in signal retention—enables longer unidirectional links (e.g., 80m at 10Mbps for warehouse sensor networks) while maintaining reliable data transmission (BER ≤10⁻¹²).
• Flame-Retardant & Oil-Resistant Jacket: UL 94 V0 flame rating and oil resistance—safe for installation in industrial control cabinets (complies with NFPA 79) and oil-exposed areas (e.g., refinery auxiliary systems).
• Wide ABB Compatibility: Works seamlessly with ABB optical components (TB811, S800 optical modules)—no adapters required, reducing integration time and ensuring system-wide reliability.

3. Application Fields

• ABB Automation System Unidirectional Signals: Primary use in one-way communication links:
  • S800 I/O Sensor Data Transmission: Connects 4~20mA pressure/temperature sensors (e.g., Rosemount 3051) to S800 AI modules via 25m links—EMI immunity prevents interference from nearby ACS800 motor drives, ensuring accurate process data for 800xA DCS.
  • AC800M PLC Status Monitoring: Transmits valve/pump status signals (DI) from remote terminals to AC800M PLCs (30m range)—simplex design reduces wiring clutter in factory automation lines (e.g., automotive assembly).
• High-Noise Industrial Environments: EMI-free communication near heavy machinery:
  • Steel Mill Hot Rolling Lines: Sends roll temperature data (RTD signals) from pyrometers to 800xA DCS via 20m POF—immune to EMI from rolling mill drives, avoiding false temperature alarms that disrupt production.
  • Welding Robot Cells: Transmits robot position status (DI) to control cabinets (15m range)—resists RFI from welding equipment, ensuring precise robot alignment in automotive body shops.
• Space-Constrained Wiring: Dense cabinet or tight-space installations:
  • Pharmaceutical Cleanroom Controls: Routes sensor data (e.g., humidity, particle count) from cleanroom terminals to 800xA DCS via 10m slim POF—3mm jacket fits through narrow conduit in Class 7 cleanrooms, complying with GMP hygiene standards.
  • Compact Machine Automation: Connects embedded sensors in small manufacturing machines (e.g., CNC lathes) to S800 micro I/O modules (5m range)—flexible bending (20mm radius) fits inside machine enclosures without fiber damage.
• Cost-Sensitive Retrofits: Economical upgrades for legacy systems:
  • Water Treatment Plant SCADA Links: Replaces copper cables for 40m unidirectional flow meter signals to SCADA—costs 40% less than glass fiber, while EMI immunity eliminates ground loops from pump motors.
  • Food Processing Line Monitoring: Transmits conveyor belt speed data (AI) to 800xA DCS via 35m POF—oil-resistant jacket withstands occasional washdowns, avoiding copper cable corrosion in wet environments.

4. Precautions

• Unidirectional Limitation (Critical): Do not use for bidirectional communication—simplex design has no return path; pair with a second TK812V015 if transmit/receive is required (e.g., controller-to-actuator links).
• Distance & Data Rate Matching: Do not exceed 80m (10Mbps) or 30m (100Mbps)—longer distances cause attenuation >12dB/km, leading to data loss; use ABB’s attenuation calculator to verify link feasibility for specific applications.
• Installation & Handling Safety:
  • Bending Radius Compliance: Maintain ≥20mm static/40mm dynamic bending radius—excessive bending (e.g., <15mm) crushes the PMMA core, increasing attenuation by ≥15dB/km (permanent damage).
  • Connector Care: Insert/remove connectors with a straight pull—twisting or forcing damages keyed interfaces, leading to misalignment and signal loss; confirm "click" to ensure secure mating.
  • Fiber Cutting: Use ABB-approved POF cutters (part no. 1SFA898001R1000)—dull tools create jagged core edges, increasing insertion loss by ≥3dB; cut fibers perpendicular to the axis for optimal light transmission.
• Operation & Maintenance:
  • Connector Cleaning: Wipe connector ends with lint-free cloth and isopropyl alcohol monthly—dust/oil reduces light transmission by 50%+; avoid water (damages connector insulation).
  • Visual Inspections: Check quarterly for:
    • Jacket cuts/abrasions (exposes core to moisture)
    • Loose connectors (vibration-induced)
    • Core discoloration (UV exposure or heat damage)
      Replace damaged fibers immediately—moisture in the core causes permanent attenuation.
  • Environmental Protection: Avoid exposure to strong acids, ketones, or UV radiation—PVC jacket degrades in these conditions; use chemical-resistant conduit in refineries or laboratories.
• Environmental Limitations:
  • Temperature Extremes: Do not operate below -20℃ (core becomes brittle) or above +75℃ (core softens, increasing attenuation)—use heated/cooled cabinets in arctic or foundry environments.
  • Condensing Humidity: Install in non-condensing areas (<95% RH, 40℃)—condensation seeps into connectors, causing corrosion; use desiccants in humid cabinets (e.g., offshore platforms).
• Replacement & Spare Parts:
  • Genuine ABB Components: Use only genuine TK812V015 fibers and ABB connectors—non-genuine POF has inconsistent core diameter (1.2mm±0.3mm) and higher attenuation, leading to compatibility issues with ABB optical ports.
  • Spare Inventory: Maintain 3~4 spare fibers (10m, 30m, 50m lengths) per 15 optical links—simplex fibers are critical for unidirectional safety signals; spares reduce downtime from 5+ days (custom order) to <1 hour for mission-critical systems (e.g., steel mill temperature monitoring)

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