UNITRONIC® BUS PB COMBI 7-W 1X2X0.64+3X1 cable, flexible, PVC, shielded. 2170225

Universal bus cable for bus systems

The UNITRONIC® BUS PB COMBI 7-W cable is a flexible solution designed for the installation of bus systems, both in stationary applications and where some mobility is required. The cable construction combines data and power transmission wires, simplifying cabling and reducing costs. This is particularly useful when building PROFIBUS-DP, PROFIBUS-FMS and FIP networks.

Construction and application

This cable is characterized by high-quality electromagnetic shielding, which ensures reliable data transmission even in environments with high interference. It can be used in both dry and humid rooms. The construction with flexible PVC provides easy installation and resistance to mechanical damage. The 7-core construction (7-W) increases resistance to vibrations, which is important in industrial applications. The COMBI model allows simultaneous transmission of data and power signals, eliminating the need for separate cables.

Key features and benefits

• Versatility: Suitable for various bus systems (PROFIBUS-DP, -FMS, FIP), making it a universal choice for installers.
• Shielding: Provides high resistance to electromagnetic interference, guaranteeing stable data transmission.
• Flexibility: Flexible construction makes it easy to lay the cable in tight spaces and minimizes the risk of damage during installation.
• Mechanical resistance: 7-core construction increases resistance to vibrations and mechanical stress.
• Integration: COMBI function (data and power transmission) simplifies installation and reduces cabling costs.
• Compliance with standards: Meets the requirements of DIN 19245 and EN 50170 standards, ensuring compatibility with popular industrial automation systems (e.g. SIEMENS SIMATIC NET).
• Environmental resistance: Designed for operation in dry and humid rooms.

The cable has an outer diameter of 9.8 mm and a weight of 92 kg/km. The loop resistance is a maximum of 186 Ohm/km, and the operating capacitance (at 800 Hz) reaches a maximum of 30 nF/km. The test voltage between cores is 1500 V rms, and the wave impedance oscillates around 150 ± 15 Ohm.

Please note that the given values are nominal values and may vary depending on production tolerances. Detailed technical specifications are available in the Lapp Kabel manufacturer's documentation. Additionally, models 2170233, 2170333, 2170820, 2170824 and 2170826 are characterized by UV resistance - it is worth considering this when choosing a cable for outdoor or sun-exposed applications.