Description

Product Overview

The ABB TK850 is a high-performance CEX-Bus extension cable designed for industrial automation systems, specifically engineered to enable seamless communication between adjacent DIN rail-mounted interface units in ABB’s 800xA distributed control system (DCS) and S800 I/O platform. As a critical component in redundant control architectures, this cable extends the reach of CEX-Bus communication while maintaining signal integrity and reliability. The TK850 features a 0.7-meter length with a 25-pin DB25S female connector, ensuring secure and robust connections in harsh industrial environments12.

Engineered for mission-critical applications, the TK850 supports hot-swappable operation, allowing maintenance without system shutdown, and is compatible with ABB’s RCU-Link and CEX-Bus terminators (e.g., TK851) to eliminate signal reflections. Its shielded design complies with industrial standards for electromagnetic compatibility (EN 61000) and vibration resistance (IEC 60068-2-6), ensuring stable performance in electrically noisy and mechanically challenging settings. By combining precision-molded connectors and corrosion-resistant materials, the TK850 minimizes downtime and reduces long-term maintenance costs.

Technical Specifications

Parameter Name	Parameter Value
Product Model	ABB TK850
Manufacturer	ABB
Product Type	CEX-Bus Extension Cable
Cable Length	0.7 meters
Connector Type	25-pin DB25S female
Termination Requirement	Requires TK851 CEX-Bus terminator
Shielding	Braided copper shield for EMI/RFI protection
Voltage Rating	50 VDC
Current Capacity	1 A (continuous)
Operating Temperature	-20°C to +60°C
Physical Dimensions	200 x 198 x 262 mm (cable diameter: 8 mm)
Weight	0.3 kg
Mounting Method	DIN rail or panel-mounted
Certifications	CE, UL, CSA

Key Features and Advantages

Precision Signal Transmission: The TK850 ensures low latency and high-speed data transfer (up to 10 Mbps) over CEX-Bus, critical for real-time control in power generation and oil refining applications. Its 25-pin interface supports both power and data transmission in a single connection, reducing cabling complexity215.

Rugged Construction: Built with halogen-free, flame-retardant PVC jacket and gold-plated connectors, the TK850 resists corrosion, moisture, and extreme temperatures, making it suitable for offshore platforms and mining environments. The cable’s bend radius (40 mm) allows flexible routing in confined spaces14.

Seamless Integration: Compatible with ABB’s 800xA and S800 I/O systems, the TK850 works seamlessly with modules like PM858 processors and TP830 baseplates, enabling scalable redundancy configurations. Its plug-and-play design minimizes installation time and errors215.

Cost-Effective Redundancy: By extending CEX-Bus communication paths, the TK850 eliminates the need for additional interface modules, reducing hardware costs by up to 30% in large-scale systems. Its hot-swap capability further lowers operational downtime115.

Applications

The ABB TK850 excels in industries requiring reliable communication in distributed control systems:

Power Generation: Connects redundant controller pairs in thermal power plants for turbine control and generator synchronization.
Oil & Gas: Enables high-speed data exchange between remote I/O units in offshore platforms and refineries.
Manufacturing: Supports real-time monitoring of robotic arms and conveyor belts in automotive and food processing plants.
Water Treatment: Ensures seamless communication between decentralized control units in wastewater treatment facilities.
Mining: Provides robust connectivity for conveyor systems and crushing equipment in underground and surface mines.

By integrating with ABB’s automation platforms, the TK850 ensures mission-critical processes operate with minimal latency and maximum uptime.

Installation and Maintenance

Installation Preparation:

Mount the TK850 on a 35 mm DIN rail adjacent to the interface units, ensuring 25 mm clearance for ventilation.
Connect the DB25S female connector to the CEX-Bus port of the master unit and terminate the far end with an ABB TK851 terminator.
Use shielded wiring and secure cable ties to minimize electromagnetic interference.

Maintenance Recommendations:

Monthly: Inspect connectors for corrosion or loose connections, especially in humid environments.
Yearly: Test cable continuity and insulation resistance using a multimeter. Replace the TK851 terminator if oxidation is detected.
Every 3 Years: Perform a full system diagnostic to verify communication latency and signal quality.

Product Warranty and Support

ABB guarantees the TK850 against defects in materials and workmanship for 1 year from purchase. This warranty covers repair or replacement of faulty cables, excluding damage from improper installation or environmental factors. Customers benefit from ABB’s global technical support network, including 24/7 remote diagnostics and on-site commissioning services. Extended warranty plans are available for mission-critical applications, ensuring maximum system availability.

Product Information

Brand Model: ABB TK850
Product Name: CEX-Bus Extension Cable
Warranty: 1 year
Size: 0.7 meters (cable length)
Weight: 0.3 kg
Origin: Sweden
Inventory: Spot/Futures
Delivery Time: Goods in stock will be dispatched within 3 days after payment
Order Time: Goods will be dispatched within one month after payment

Contact info

WhatsApp: +86 18030182217
Email: sandydcsplc@gmail.com
Phone: +86 18030182217
Wechat: +86 18030182217
Website: www.xiongbaparts.com

ABB TK850 CEX-Bus Extension Cable(XIONGBA)