RKB0050 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKB0050 is a ready-made USB connection cable that is part of the RKB Control Cables series. It features USB-A and USB-B connectors, a dynamic bending radius of 7.5 times the cable diameter, and supports up to 5 million bending cycles. The cable has an operating temperature range from -30 to 80 degrees Celsius.
Internal Product Review
The RKB0050 is a ready-made USB connection cable from the RKB Control Cables series, featuring USB-A to USB-B connectors. With support for up to 5,000,000 bending cycles and a dynamic bending radius of 7.5xD, this cable is well-suited for demanding industrial environments. Reliable operation is further ensured by its wide operating temperature range from -30°C to 80°C.
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Product Description:
The RKB0050 is a USB control cable produced by Bosch Rexroth Indramat within the RKB Control Cables series. Designed for industrial automation panels, it connects motion controllers or drive inverters to a host computer through standard USB signaling. This connection supports parameter uploads, configuration changes, and retrieval of diagnostic data from compatible equipment. The assembled cable eliminates the need to attach individual conductors or connectors during installation. Its connector arrangement follows the interface layout required by the intended Rexroth equipment, helping maintain a consistent data connection between devices.
One end of the cable has a USB-A plug for connection to a computer, while the opposite end has a USB-B plug that connects directly to compatible Rexroth drive front panels. The flexible copper conductor bundle withstands up to 5,000,000 bending cycles when used in continuous-motion cable chains. This durability supports routing on gantries, palletizers, pick-and-place axes, and other machinery where cables move repeatedly during operation. When routed through a moving energy track, the cable requires a minimum dynamic bending radius of 7.5 × D to limit conductor fatigue. Permanently mounted runs permit a minimum static bending radius of 5 × D. Following these bending limits helps preserve shield continuity and maintain the low-noise differential signaling used for USB communication.
The conductor insulation remains functional at temperatures from -30 °C to 80 °C during active service. When the cable is held in inventory, the storage temperature should remain below 40 °C to reduce the risk of jacket embrittlement. The assembly uses a basic mechanical layout, and its outer diameter is suitable for standard conduit clips used in control cabinets and machine routing systems. It is supplied as a ready-made harness with both connectors already attached, so no field termination is required. The cable may be routed inside articulated robot arms, through sealed electrical cabinets, or alongside properly separated servo power bundles. Appropriate cable support and separation from high-current conductors help protect data transmission from mechanical strain and electrical interference.
