M.1302.8300 Kollmorgen
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The Kollmorgen M.1302.8300 is a servo cable from the Kollmorgen Servo Cables series. It features a twisted pair cable construction, 8 conductors of 28 AWG, and measures 5 meters in length. The cable uses 8-pin RJ-45 plugs on both ends, is shielded, and meets the CAT-5 standard.
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Product Description:
The M.1302.8300 is a servo feedback cable produced by Kollmorgen within the Kollmorgen Servo Cables series. The assembly functions as the data path between AKD drives and compatible servomotors, carrying encoder and auxiliary signals in automated machinery. By combining network-grade conductors with industrial shielding, it sustains reliable transmission despite electrical noise from nearby inverters, conveyors, and switching power supplies.
The cable body uses a twisted-pair layout and a fully shielded foil-and-braid design to suppress crosstalk and external radio-frequency interference. Each end is terminated with one of the two 8-pin RJ-45 plugs, which latch into standard machine I/O headers and provide polarization for correct mating. The cable has a length of 5 m (16.4 ft), allowing controller racks to be spaced several meters from moving gantries while maintaining attenuation limits suitable for high-speed data transmission. The signal conductors are sized at 28 AWG, so the bundle remains flexible for dynamic cable chains while providing sufficient copper cross-section for differential-pair impedance matching throughout the run. The thin conductor strands and compact profile allow the harness to move repeatedly without placing excessive stress on the insulation or connector crimp barrels.
The cable contains 8 conductors that follow the TIA pinout used for motion drives. The design meets the electrical parameters of CAT-5 cabling, allowing it to preserve 100 MHz signaling for encoder feedback and real-time distributed clock packets. Drain continuity is completed through a shell drain connection, which bonds the shield to an earth reference at the drive chassis and reduces common-mode noise. Only pins 1, 2, 3, and 6 carry active differential pairs; pins 4, 5, 7, and 8 remain unused but are paired as 4-5 and 7-8 to balance the cable geometry. This pin pairing maintains constant twist lengths and consistent impedance across the jacket, improving signal symmetry during high-speed axis movements.
