M.1302.8302 Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
The Kollmorgen M.1302.8302 is a servo cable from the Kollmorgen Servo Cables series, featuring a length of 15 meters and 8 conductors with a 28 AWG wire gauge. It uses an 8-pin RJ-45 plug with shielded, twisted pair wiring and supports digital link out and digital port in connections.
Internal Product Review
The M.1302.8302 is a Kollmorgen servo cable built with an 8-pin RJ-45 plug and shielded construction. Twisted-pair conductors support transmit and receive differential signals for stable communication in motion systems. Straight-through pin mapping and shell/drain shield termination make this cable a dependable choice for servo network integration.
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Product Description:
The M.1302.8302 is a Kollmorgen servo communication cable supplied under the Kollmorgen Servo Cables series. In an automation panel, it links a drive’s digital communication outlet to the corresponding inlet on a motor or control card. The cable carries closed-loop feedback and command data during high-speed axis movements while helping protect signal integrity within electrically noisy machinery.
This model has a total length of 15 m, providing ample reach for routing through large multi-axis machines. It contains eight signal conductors for the required communication channels and reserved connections. Each pair uses a twisted-pair configuration that helps cancel electromagnetic interference induced along the cable run. The shielded assembly rejects external electrical noise through a braided screen connected to ground. Individual copper conductors use a fine 28 AWG wire size, balancing routing flexibility with the current capacity required for communication signals. Transmit positive, transmit negative, receive positive, and receive negative channels occupy the active differential pairs, enabling bidirectional data exchange with small voltage differences. Pins 1, 2, 3, and 6 carry the active communication paths, while the other conductors provide inactive lines for reserved functions or spare capacity.
The cable terminates in an 8-pin RJ-45 plug that mates with standard industrial Ethernet receptacles. Its straight-through wiring follows the mapping 1-1, 2-2, 3-3, 4-4, 5-5, 6-6, 7-7, and 8-8, maintaining the same pin position at both ends. One end connects to Digital Link OUT hardware, while the opposite end connects to a Digital Port IN interface. A dedicated drain wire bonds the braided screen to the chassis through a shell-and-drain termination, allowing high-frequency interference to pass away from the signal reference. The pairs assigned to pins 4, 5, 7, and 8 remain electrically open, preventing unused circuits from affecting the active transmit and receive paths. This pin arrangement keeps the communication channels separated across the entire cable length without requiring crossed conductors or an additional adapter.
