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ABB TK821F (3BDM000150R1) Serial Cable 

1. Key Parameters

• Product Model: TK821F
• Order Code: 3BDM000150R1
• Product Series: ABB TK Series Industrial Serial Cables (Legacy Communication, Compatible with ABB RS485/RS232 Devices)
• Core Function: Transmits serial data (RS485/RS232) between ABB legacy and modern equipment; provides EMI/RFI protection; ensures signal integrity over short-to-medium distances; enables configuration, diagnostics, and control via serial protocols
• Electrical Specifications:

  Parameter	Details	Performance Metrics
  Communication Performance	- Supported Protocols: RS485 (half-duplex, multi-drop), RS232 (full-duplex, point-to-point) - Maximum Data Rate: 115.2 kbps (RS485); 9600 bps (RS232) - Maximum Distance: 1200m (RS485 at 9600 bps); 15m (RS232 at 9600 bps) - Signal Voltage: ±5V~±15V (RS485 differential); ±3V~±15V (RS232)	Enables reliable data transfer for non-time-critical applications (e.g., drive parameter upload, PLC diagnostics)
  Conductor Configuration	- Conductor Material: Tinned copper (corrosion-resistant, high conductivity) - Conductor Structure: 4× 22 AWG (0.33mm²) for RS485; 3× 22 AWG for RS232 (single-ended) - Stranding: Class 5 flexible stranding (IEC 60228) - Resistance: ≤50Ω/km (conductor resistance at 20℃)	Flexible stranding allows easy routing in control cabinets; tinned copper minimizes signal loss over extended distances
  Insulation & Shielding	- Insulation Material: Polyvinyl chloride (PVC, low dielectric loss) - Shielding: Tinned copper braid (coverage ≥85%) + aluminum foil - Outer Sheath: Flame-retardant PVC (UL 94 V0); thickness 0.8mm~1.0mm - Dielectric Strength: 1000V AC (1min, conductor to shield)	Dual shielding reduces EMI/RFI interference by 60% vs. unshielded cables; flame-retardant sheath enhances safety in enclosed spaces
  Safety & Compliance	- Insulation Resistance: ≥50MΩ (at 500V DC, 20℃) - Flame Class: UL 94 V0 / IEC 60332-1-2 (self-extinguishing within 10s) - Crosstalk: ≤-40dB (at 100kHz) - Short-Circuit Current Rating: 500A (1s, 300V AC)	Prevents signal leakage and fire propagation; low crosstalk ensures data integrity in multi-cable installations

• Mechanical Specifications:

  Parameter	Details
  Cable Length	Standard 5m (custom lengths: 1m~20m available via ABB customization)
  Connector Type	- Equipment End: ABB proprietary 9-pin D-sub (male/female, RS485/RS232 switchable) - System End: 9-pin D-sub (DB9) male (RS232) / terminal block (RS485 multi-drop)
  Connector Material	- Housing: Polyamide 66 (PA66, heat-resistant up to 120℃) - Contacts: Brass (gold-plated, low contact resistance ≤10mΩ)
  Mechanical Durability	- Flex Life: ≥10,000 cycles (IEC 60245, 8× cable diameter bending radius) - Impact Resistance: IK07 (IEC 62262, 2J impact resistance) - Weight: ~200g (5m length)

• Environmental Ratings:
  • Operating Temperature Range: -25℃~+70℃ (-13℉~158℉)
  • Storage Temperature Range: -40℃~+85℃ (-40℉~185℉)
  • Humidity Tolerance: 5%~95% RH (non-condensing, 40℃)
  • Chemical Resistance: Resistant to mineral oil, grease, and industrial dust (per IEC 60068-2-54)
  • Ingress Protection (IP): IP20 (cable sheath); IP40 (connectors with hoods)
  • Vibration Resistance: 10~500Hz, 1g acceleration (IEC 60068-2-6; no signal loss)
• Compliance Standards: IEC 60245-2 (flexible cables), UL 2556 (communication cables), VDE 0815 (serial communication), CE, RoHS, GB/T 18287 (China)

2. Key Features

• Dual Protocol Support (RS485/RS232): Switchable between RS485 (multi-drop, long-distance) and RS232 (point-to-point, short-distance) protocols—eliminates the need for separate cables, simplifying inventory and enabling flexible connection to ABB legacy devices (e.g., old ACS600 drives) and modern systems.
• Enhanced EMI/RFI Shielding: 85% copper braid + aluminum foil shielding blocks electromagnetic interference from industrial equipment (e.g., motor drives, transformers)—prevents data corruption (e.g., garbled parameter values) in noisy factory environments.
• Flexible Installation: Class 5 stranded conductors and small diameter (5mm~6mm) allow tight bending (8× cable diameter radius)—ideal for routing through crowded control cabinets (e.g., between an AC500 PLC and legacy HMI) without damaging conductors.
• Gold-Plated Contacts: Gold-plated DB9 connectors ensure low contact resistance (≤10mΩ) and corrosion resistance—maintains reliable connectivity even in humid environments (e.g., food processing plants), reducing maintenance needs.
• ABB Legacy Compatibility: Designed for ABB’s RS485/RS232-equipped devices (AC500 PLCs, ACS series drives, 800xA auxiliary modules)—ensures plug-and-play functionality with ABB’s proprietary serial interfaces, avoiding adapter requirements and signal loss.
• Flame-Retardant Sheath: UL 94 V0-rated PVC sheath self-extinguishes within 10 seconds—enhances safety in enclosed control rooms and cabinet installations, complying with industrial fire codes (e.g., NFPA 70).
• Extended Distance Support: RS485 mode enables data transmission up to 1200m at 9600 bps—facilitates communication with remote legacy devices (e.g., pump controllers in water treatment plants) without signal repeaters.

3. Application Fields

• ABB Legacy Device Communication: Primary application—connecting ABB legacy and modern systems:
  • ACS Drive Parameter Configuration: Links laptops (via RS232) to ACS600/ACS800 drives (via RS485) for parameter upload/download; dual shielding resists EMI from drive inverters, ensuring error-free configuration of speed/torque settings in manufacturing plants.
  • AC500 PLC Diagnostics: Connects AC500 PLCs to legacy HMIs via RS485 multi-drop network; 1200m distance support enables monitoring of PLCs in remote locations (e.g., warehouse conveyor control panels) from a central office.
• Industrial Retrofit Projects: Enabling communication in system upgrades:
  • Factory Modernization: Bridges legacy ABB DCS modules (RS485) to new 800xA systems (via RS232-to-Ethernet converters); flexible stranding routes through existing cabinet infrastructure, avoiding costly rewiring during upgrades.
  • Utility Plant Upgrades: Connects old water pump controllers (RS232) to new SCADA systems via RS485; gold-plated contacts ensure reliable data transfer in damp utility environments, preventing lost pump status updates.
• Remote Monitoring Systems: Data transmission for off-site supervision:
  • Oil & Gas Pipeline Sensors: Links RS485-based pressure/temperature sensors to ABB RTUs (remote terminal units); 1200m range covers pipeline segments, while EMI shielding resists noise from compressor motors.
  • Solar Farm Inverter Monitoring: Connects legacy solar inverters (RS232) to AC500 PLCs via RS485; operates reliably in -25℃~+70℃ temperatures, ensuring continuous monitoring of power output in desert or cold-climate solar farms.
• Building Automation Integration: Connecting HVAC and lighting systems:
  • Commercial Building HVAC: Links ABB AC500 PLCs to legacy HVAC controllers via RS485; flame-retardant sheath complies with building fire codes, while IP40 connectors resist dust in ceiling voids.
  • Hospital Lighting Control: Connects RS232-based lighting panels to central AC500 PLCs; low crosstalk ensures dimming commands are transmitted without errors, maintaining critical lighting levels in patient rooms.

The structure and details of the product：

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