RKG0014 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKG0014 is part of the RKG Encoder Cables series and features halogen-free PUR jacket material with a total shield. The cable supports drag chain use, offers 5 million bending cycles, and includes 9 control conductors of 0.25 mm² size. It has a maximum wire temperature of 90 degrees Celsius when fixed and an outer diameter of 10.0 mm.
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Product Description:
The RKG0014 encoder cable is manufactured by Bosch Rexroth Indramat within the RKG Encoder Cables series. It serves as the movable link between motor-mounted encoders and drive controllers, transmitting position data and auxiliary power while the axis is in constant motion. The cable is intended for industrial automation tasks in which accurate feedback must be preserved even when the measuring system is routed through tight cable carriers and exposed to rapid cyclic flexing.
The cable endures up to 5,000,000 bending cycles, so it can operate reliably inside drag-chain loops that travel during every machine cycle. Its signal core contains 9 × 0.25 mm² control conductors, each sized for low-current differential encoder channels that must remain impedance-matched over long runs. These circuits are insulated for a maximum control voltage of 300 V, protecting electronics from transient field potentials. During dynamic movement, the cable must not be bent below a radius of 7.5 × D, a limit that helps prevent conductor fatigue when carriers accelerate or reverse. Despite this flexibility, the overall construction measures only 10.0 mm in diameter, allowing installation in narrow guide troughs. A matte, adhesion-free PUR jacket resists oils and abrasion, and the cable is designed for drag-chain service.
Power for the encoder electronics is provided by 2 × 1.0 mm² supply conductors that share the same sheath. For fixed routing, the minimum bend radius is 5 × D, facilitating tight cabinet wiring without stressing the copper. The cable can sustain conductor temperatures up to 90 °C in stationary runs and 80 °C when flexing. A combined foil-and-braid shield surrounds all cores to block electromagnetic interference from inverters and contactors. This shielding helps preserve the integrity of low-level feedback signals when the cable is routed near switching devices or motor power conductors. The PUR jacket is halogen-free, limiting the release of corrosive gases during a fire and supporting plant safety requirements.
