ZK1090-3191-1080 Beckhoff
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The Beckhoff ZK1090-3191-1080 is part of the ZK Motor Cables series and features a Cat.5 cable category with a length of 8 meters. Its structure consists of 4 x 2 conductors of tinned copper with a 0.14 mm² cross-section and a PUR outer jacket. This cable offers a mutual capacitance of 51 pF per meter, operates at a rated voltage of 60 V, and provides 90 percent shield coverage.
Internal Product Review
The ZK1090-3191-1080 is a Beckhoff motor cable built as a Cat.5 assembly with tinned copper conductors. A PUR jacket and 90% shield coverage give the cable strong durability and clean signal performance for demanding machine connections.
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Product Description:
The ZK1090-3191-1080 is a connection lead manufactured by Beckhoff for the ZK Motor Cables series. It links a synchronous motor to its drive controller in automated equipment. The design combines signal pairs for encoder transmission with low-voltage conductors for auxiliary power. This arrangement provides a single cable for coordinated motion, accurate feedback, and compact routing inside drag chains.
Electrical performance is based on a Cat.5 topology, so the twisted pairs support 100 MHz differential signaling for EtherCAT feedback channels. The internal geometry uses a 4 × 2 × AWG26 layout, with eight tinned copper conductors arranged as four balanced pairs to suppress crosstalk while keeping the cable flexible. Ground-referenced capacitance is limited to 1600 pF/km, helping preserve signal integrity over the eight-meter run. The wire-to-shield test voltage is rated at 1500 V DC, while the wire-to-wire test voltage is rated at 1000 V DC. These insulation ratings allow the paired conductors to coexist with low-voltage supply lines. The direct-current loop resistance is 280 Ω/km, which limits voltage loss when the motor encoder draws power.
Each conductor has a cross-sectional area of 0.14 mm² and uses tinned copper strands for corrosion resistance during continuous flexing. A PE core insulator isolates the pairs, while a PUR outer jacket resists oil and abrasion in machine housings. The assembled cable is supplied in a length of 8.00 m and has an outside diameter of 5.9 mm, allowing it to pass through compact energy chains. Operating circuits can carry up to 60 V, which is suitable for extra-low-voltage applications. A braided foil shield provides 90% coverage around the cable and directs emitted electrical noise to ground. The signal propagation delay is 5.08 ns/m, supporting high-speed communication along the cable. Mutual capacitance between the conductor pairs is limited to 51 pF/m to help maintain controlled impedance.
