Product Description:

The RH2-011BBB is a pre-assembled encoder and power lead manufactured by Bosch Rexroth Indramat for use within modular automation platforms. It belongs to the RH2 Encoder Cables series and serves as the hybrid interface between a servo motor’s encoder feedback and its drive amplifier, carrying both position signals and low-voltage power in a single flex-rated sheath. Integrating feedback and supply conductors reduces cabinet wiring and simplifies machine layouts in dynamic multi-axis systems.

This model is supplied in a 1.0 m length, allowing short point-to-point routing between a motor and the nearest junction point. A conductor cross section of 0.75 mm² supports typical encoder current without excess voltage drop, while still keeping the cable thin enough for tight bend paths. The construction withstands up to 5,000,000 continuous bending cycles, a figure relevant for applications with constant drag-chain motion. To protect internal copper strands, the outer jacket must be bent to at least a 7.5×D radius during motion and a 5×D radius when laid in a fixed run. The cable is classified as “Basic” in the manufacturer’s hybrid catalogue, meaning the insulation compound and shielding structure follow the standard profile used across Rexroth hybrid products. Direct connection topology eliminates intermediate terminal boxes, and the Hybrid Cables type merges encoder and auxiliary power cores under a single overall shield.

As a 2nd Generation lead, the RH2-011BBB matches the electrical pinout and impedance of current IndraDrive motor encoders while remaining backward compatible with earlier controls. Operational limits extend from a minimum ambient of −40 °C to a maximum of 80 °C, so the assembly can be installed in un-conditioned machinery enclosures. The motor end terminates in an M17 Hybrid connector that provides both power and digital feedback contacts within one keyed shell, reducing connector count on the motor housing. Classified under the Rexroth Cables product group, its basic jacket compound, hybrid core arrangement, and direct wiring approach complete the specification set without adding additional protection measures.