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ABB TK853V020 (3BSC950201R1) Modem Cable 

1. Key Parameters

• Product Model: TK853V020
• Order Code: 3BSC950201R1
• Product Series: ABB TK Series Industrial Modem Cables (Modem-to-Device Connectivity, Compatible with ABB Modems/Automation Ecosystems)
• Core Function: Transmits data between ABB modems and automation devices (PLCs, I/O, drives); provides EMI/RFI shielding for modem signal integrity; withstands industrial mechanical stress; ensures compatibility with ABB modem protocols
• Electrical Specifications:

  Parameter	Details	Performance Metrics
  Communication Performance	- Supported Protocols: Modbus RTU, ABB Service Protocol, GSM modem AT commands - Maximum Data Rate: 115.2 kbps (serial); 100Mbps (Ethernet, optional) - Signal Attenuation: ≤0.2dB/m (at 100kHz, serial); ≤0.5dB/m (at 100MHz, Ethernet) - Signal-to-Noise Ratio (SNR): ≥30dB (at max data rate)	Enables error-free modem communication (≤1 error per 10⁹ bits) for remote monitoring (e.g., offshore sensor data, factory floor modem links)
  Conductor Configuration	- Conductor Material: Tinned copper (corrosion-resistant, low resistance) - Conductor Structure: 2× twisted pairs (serial: RX/TX + GND; Ethernet: 4× pairs, optional) - Conductor Gauge: 24 AWG (0.22mm², serial); 24 AWG (0.22mm², Ethernet) - Conductor Resistance: ≤85Ω/km (serial, 20℃); ≤85Ω/km (Ethernet, 20℃)	Twisted pairs reduce crosstalk by 60% vs. non-twisted cables; tinned copper minimizes signal loss over 20m+ distances (common for modem-to-device routing)
  Insulation & Shielding	- Insulation Material: Thermoplastic elastomer (TPE, flexible, heat-resistant) - Shielding: Dual-layer (aluminum foil + tinned copper braid, 90% coverage) + drain wire - Outer Sheath: Halogen-free flame-retardant (HFFR) PVC; thickness 0.8mm~1.0mm - Dielectric Strength: 1500V AC (1min, conductor to shield)	Dual shielding blocks 99% of EMI/RFI (e.g., from modem power supplies, industrial motors); HFFR sheath reduces smoke/toxic gas emission in fire
  Safety & Compliance	- Insulation Resistance: ≥100MΩ (at 500V DC, 20℃) - Flame Class: UL 94 V0 / IEC 60332-1-2 (self-extinguishing within 10s) - Crosstalk: ≤-55dB (at 100kHz, serial); ≤-45dB (at 100MHz, Ethernet) - Short-Circuit Current Rating: 600A (1s, 300V AC)	Prevents signal leakage and fire propagation; low crosstalk ensures no interference between modem data and device control signals

• Mechanical Specifications:
  • Cable Length: Standard 2m (serial); 5m (Ethernet, optional) (custom lengths: 1m~30m available via ABB customization)
  • Connector Type:
    • Modem End: ABB proprietary 8-pin mini-DIN (serial, for TC562 modems) / M12 B-coded (Ethernet, for industrial GSM modems)
    • Device End: 9-pin D-sub (DB9, serial, for AC500 PLCs) / RJ45 (Ethernet, for 800xA I/O modules)
  • Connector Material:
    • Housing: Polyamide 66 (PA66, impact-resistant, heat-resistant up to 120℃)
    • Contacts: Brass (gold-plated, low contact resistance ≤5mΩ)
  • Mechanical Durability:
    • Flex Life: ≥12,000 cycles (IEC 60245, 8× cable diameter bending radius)
    • Impact Resistance: IK07 (IEC 62262, resistant to 2J impacts)
    • Abrasion Resistance: ≥2,500 cycles (CS 10 wheel, 10N load)
  • Weight: Approximately 180g (2m serial version); 350g (5m Ethernet version)
• Environmental Ratings:
  • Operating Temperature Range: -30℃~+75℃ (-22℉~167℉)
  • Storage Temperature Range: -40℃~+85℃ (-40℉~185℉)
  • Humidity Tolerance: 5%~95% RH (non-condensing, 40℃)
  • Chemical Resistance: Resistant to mineral oil, grease, and mild solvents (per IEC 60068-2-54)
  • Ingress Protection (IP): IP20 (cable sheath); IP44 (connectors with dust caps)
  • Vibration Resistance: 10~500Hz, 2g acceleration (IEC 60068-2-6; no signal loss)
• Compliance Standards: IEC 60245-5 (flexible industrial cables), UL 444 (communication cables), VDE 0815 (modem cables), CE, RoHS, GB/T 18287 (China industrial communication cables)

2. Key Features

• ABB Modem & Device Compatibility: Tailored for ABB modems (TC562 short-range, industrial GSM) and automation devices (AC500 PLCs, 800xA I/O, ACS drives)—features ABB-proprietary mini-DIN/M12 connectors for plug-and-play integration, eliminating adapter-related signal loss.
• Dual-Layer EMI Shielding: Aluminum foil + 90% copper braid shielding protects modem signals from industrial interference (e.g., modem power supplies, nearby motors)—prevents corrupted data packets (common in modem communication) and ensures reliable remote monitoring.
• Flexible & Rugged Design: TPE insulation and 8× cable diameter bending radius enable easy routing in tight spaces (e.g., between modem cabinets and PLC racks); HFFR PVC sheath withstands mechanical abrasion (e.g., contact with cabinet edges) during installation.
• Gold-Plated Connector Contacts: Gold-plated mini-DIN/DB9/M12/RJ45 contacts ensure low contact resistance (≤5mΩ) and corrosion resistance—maintains stable connectivity in humid or dusty environments (e.g., outdoor modem enclosures, factory floors), reducing reconnection attempts.
• Multi-Protocol Support: Compatible with Modbus RTU, ABB Service Protocol, and GSM AT commands—seamlessly transmits data for modem-based use cases (e.g., remote PLC diagnostics, wireless I/O data) without protocol conversion.
• Wide Temperature Adaptability (-30℃~+75℃): Operates in cold industrial zones (e.g., northern manufacturing plants) and warm environments (e.g., near HVAC-equipped modem enclosures)—no performance degradation across typical industrial temperature ranges.
• Halogen-Free Flame Retardancy: HFFR PVC sheath emits minimal smoke and toxic gas in fire—complies with safety standards for enclosed spaces (e.g., control rooms with modems and PLCs), reducing health risks during emergencies.

3. Application Fields

• ABB Modem-to-PLC Connectivity: Primary application—linking ABB modems to AC500/AC800M PLCs:
  • Remote Factory Monitoring: Connects TC562 short-range modems (on-site wireless sensors) to AC500 PLCs via serial mini-DIN/DB9; dual shielding blocks EMI from factory motors, ensuring reliable transmission of production data to central control.
  • Offshore Platform Modem Links: Links industrial GSM modems (satellite communication) to AC800M PLCs via Ethernet M12/RJ45; HFFR sheath resists saltwater spray, while wide temperature range (-30℃~+75℃) handles offshore weather extremes.
• Modem-to-I/O Module Communication: Transmitting data between modems and 800xA remote I/O:
  • Mining Tunnel Remote Sensing: Connects TC562 modems (tunnel pressure sensors) to 800xA I/O modules via Ethernet; 2g vibration resistance withstands mining machinery motion, ensuring real-time sensor data reaches surface control.
  • Agricultural Irrigation Modems: Links GSM modems (remote pump control) to 800xA I/O modules via serial cable; flexible design routes through irrigation control cabinets, while corrosion-resistant tinned copper handles outdoor humidity.
• Modem-to-Drive Diagnostics: Enabling remote drive troubleshooting via modems:
  • Industrial Plant ACS Drive Monitoring: Connects TC562 modems to ACS800 drives via serial cable; transmits diagnostic data (fault logs, speed settings) to AC500 PLCs, allowing remote troubleshooting without on-site visits.
  • Building HVAC Modem Links: Links GSM modems (remote HVAC monitoring) to ACS355 drives via Ethernet; IP44 connectors resist dust in building mechanical rooms, ensuring reliable transmission of drive efficiency data.
• Outdoor Modem Installations: Connecting modems in exposed environments:
  • Solar Farm Modem Communication: Links TC562 modems (solar panel sensors) to AC500 PLCs via serial cable; wide temperature range (-30℃~+75℃) handles desert heat and cold nights, while HFFR sheath resists UV damage.
  • Water Treatment Plant Modems: Connects industrial GSM modems (pump status sensors) to 800xA I/O modules via Ethernet; chemical resistance withstands treatment plant fluids, ensuring uninterrupted modem-to-I/O data flow.
• Control Room Modem Integration: Neat connectivity in centralized modem setups:
  • Data Center Modem Racks: Connects multiple TC562 modems (server room sensors) to AC500 PLCs via serial cables; compact design fits in dense control racks, while halogen-free sheath complies with data center fire codes.
  • Hospital Facility Modem Links: Links GSM modems (medical equipment monitoring) to AC500 PLCs via Ethernet; low smoke emission meets hospital safety standards, while gold-plated connectors ensure reliable data transmission for critical systems.

4. Precautions

• Connector Compatibility (Critical): Use the correct modem/device connector pair—e.g., mini-DIN (TC562 modem) to DB9 (AC500 PLC), M12 (GSM modem) to RJ45 (800xA I/O); incorrect connector pairing (e.g., mini-DIN to RJ45) causes no communication and may damage ports. Refer to ABB’s modem cable compatibility chart.
• Installation & Wiring Safety:
  • Shield Grounding: Ground the cable’s drain wire at both ends (modem and device sides) using ABB-approved grounding clamps—ungrounded shields act as antennas, increasing EMI susceptibility and causing modem data dropouts.
  • Polarity & Pin Alignment: Ensure correct pin assignment (RX/TX/GND for serial, T568B for Ethernet) — reversed serial polarity prevents data flow, while incorrect Ethernet wiring (e.g., crossed pairs) causes modem link failures. Use ABB’s wiring diagram for pinouts.
  • Cable Strain Relief: Secure excess cable with ties to avoid pulling on connectors—strain on mini-DIN/M12 connectors breaks pins, a common issue in field installations; maintain 8× bending radius to avoid conductor damage.
• Operation & Maintenance:
  • Signal Integrity Checks: Periodically test cable performance (attenuation, crosstalk) with a network analyzer—degraded performance (e.g., attenuation >0.3dB/m) indicates shield damage, requiring replacement to prevent modem communication errors.
  • Connector Cleaning: Clean gold-plated contacts quarterly with a dry, lint-free cloth—dust or oil buildup increases contact resistance, causing intermittent modem links; avoid using solvents (they damage connector housing).
  • Modem Protocol Matching: Ensure cable-supported protocols align with modem/device settings (e.g., 115.2 kbps for serial, 100Mbps full-duplex for Ethernet)—mismatched data rates cause garbled data, a common issue in GSM modem-to-PLC setups.
• Environmental Limitations:
  • Temperature Avoidance: Do not operate above +75℃ or below -30℃—high temperatures (＞75℃) soften TPE insulation, while low temperatures (＜-30℃) make HFFR PVC brittle; use heat tracing or insulation for extreme conditions.
  • Chemical Exposure: Keep away from concentrated solvents (e.g., acetone) and strong acids—these degrade the sheath and insulation; in chemical plants, install the cable in protective conduit rated for the specific chemicals present.
• Replacement & Spare Parts:
  • Genuine ABB Cables: Use only genuine ABB TK853V020 (3BSC950201R1) cables—non-genuine alternatives often have substandard shielding (＜70% coverage) or unplated connectors, leading to frequent modem communication failures.
  • Spare Inventory: Maintain 2~3 spare cables per modem setup (e.g., remote PLCs, outdoor modems)—modem cable failures disrupt remote monitoring; spares reduce downtime from days (waiting for delivery) to minutes

The structure and details of the product：

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