RKG0001 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKG0001 is part of the RKG Encoder Cables series and features a PUR matt jacket that is halogen-free and hydrolysis resistant. This cable offers total shielding, supports 5 million bending cycles for drag chain use, and has a bend radius of 5×D. It comes with a D-Sub 15-pin controller connector and an M23 17-pin motor connector.
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Product Description:
The RKG0001 encoder cable is manufactured by Bosch Rexroth Indramat within the RKG Encoder Cables series. It serves as the dedicated link between a motor-integrated position encoder and the matching drive controller, carrying differential feedback signals alongside sensor supply conductors so the motion loop in industrial robots, gantry systems, and packaging machines remains accurate. By providing preterminated connectors and a rugged jacket, the cable reduces wiring time and preserves signal integrity in electrically noisy plant environments.
The assembly has an outer diameter of 9.7 mm, allowing it to fit common carrier chains and metric cable glands. A controller-side D-Sub 15-pin plug with solder contacts mates directly with Rexroth interface boards, while the motor end uses a circular M23 17-pin connector with crimp sockets to seal against oil mist at the encoder housing. Encoder power is routed through 2 × 1.0 mm² supply cores that support low-loss current delivery. A total shield made of tinned copper braid with foil coverage surrounds all pairs to suppress electromagnetic interference from inverter switching. Three additional twisted pairs of 0.25 mm² conductors carry incremental channels, temperature sensor signals, or digital encoder bus signals while limiting crosstalk between circuits.
For fixed installation, the cable permits a bend radius of 5 × D. Its service life is rated for 5,000,000 bending cycles, supporting repetitive movement in drag-chain applications without premature conductor fatigue. The matte jacket is made from PUR with a matte finish and resists abrasion, cutting, and coolant ingress while remaining flexible at low temperatures. The jacket is also resistant to mineral oils and greases, allowing the cable to be routed through lubrication zones. Its halogen-free compound limits the release of corrosive gases during a fire. Hydrolysis resistance helps protect the jacket from degradation caused by prolonged exposure to moisture, while drag-chain approval supports applications where sustained flexing is unavoidable.
