ZK4520-6120-0100 Beckhoff
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The Beckhoff ZK4520-6120-0100 is an encoder cable from the ZK Motor Cables series, designed for connecting motors to drives with the AX5000 interface. It offers a cable length of 10 meters, supports high dynamic and high-speed chain motion classes, and has a signal format of TTL or Sin-Cos with zero pulse. The cable features a cross-section of 7x2x0.14 plus 2x0.5 mm², a minimum bending radius of 55 mm, and is rated for up to 10 million cycles with a maximum speed of 240 meters per minute.
Internal Product Review
The ZK4520-6120-0100 is a Beckhoff encoder cable designed for motor-to-drive connections in AX5000 systems. The high-dynamic high-speed chain rating and TTL / Sin-Cos with zero pulse format support precise feedback and clean motion performance. A 10 million cycle life makes this cable an excellent choice for demanding automation duty.
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Product Description:
The ZK4520-6120-0100 is an encoder cable manufactured by Beckhoff and supplied within the ZK Motor Cables series. It links motor-mounted feedback devices to cabinet-mounted drives, transferring position data from AFAG LME-200 actuators to Beckhoff controllers so closed-loop axes can maintain commanded trajectories. In automated cells where drives and motors are separated by cable chains, this assembly preserves signal quality during continuous motion through its shielded construction and vibration-resistant connector pair. Its layout is intended for moving applications where stable feedback transmission is required while the machine cycles through repeated starts, stops, and direction changes.
At a fixed length of 10 m, the cable spans typical machine layouts without requiring junctions that could introduce reflection points. Its conductor bundle follows a 7x2x0.14 + 2x0.5 mm² cross-section, keeping differential encoder pairs and auxiliary supply cores in discrete layers to reduce crosstalk. Both ends terminate for the AX5000 drive interface, enabling direct plug-in to compatible Beckhoff servo amplifiers. Encoder information travels in a TTL / Sin-Cos with zero pulse format, allowing the controller to receive incremental counts and one reference mark per revolution for homing routines. During routing, installers must respect a minimum bend radius of 55 mm to avoid foil shield deformation and long-term conductor stress. The separated signal and supply conductors also help the cable maintain clean feedback transmission when axes reverse quickly or run beside other moving power leads.
The cable is intended for dynamic carrier systems and endures linear acceleration up to 30 m/s², helping protect conductor integrity during fast reversals on pick-and-place gantries. Maximum permissible travel velocity is 240 m/min, matching transfer lines that emphasize high throughput and short cycle times. Laboratory chain tests certify a service life of 10 million double strokes, which supports long operating intervals in continuously moving equipment. Classification in the High Dynamic / High-Speed Chain motion group confirms compatibility with tight-pitch energy chains used in compact, high-cycle machinery. This makes the assembly suitable for axes that demand continuous flexing, reliable encoder communication, and orderly cable guidance inside confined machine spaces.
