RD52.1-4B-005-L-NN-P1-L2-FW

The RD52.1-4B-005-L-NN-P1-L2-FW, Bosch Rexroth Indramat, RD 500 Drive Controllers model is a robust AC drive converter designed for advanced motion control in industrial environments. It delivers precise field-oriented vector control from a compact enclosure and incorporates a built-in brake chopper for dynamic braking applications. With a nominal connecting voltage of 3 x AC 380-480 V, this unit supports a wide voltage tolerance (+/-10%) to match varied supply conditions. The converter’s modular construction and integrated diagnostics make it ideal for integration into assembly systems, machine tools, and packaging lines.

The drive employs a forced air cooling system to maintain thermal stability under continuous operation and has a rated power of 5.5 kW for medium-duty applications. It operates at a PWM frequency of 4 kHz delivering an output frequency range of 0-250 Hz, while switching to 8 kHz and 12 kHz PWM frequencies extends the maximum output to 500 Hz and 1 400 Hz, respectively, for high-speed performance. The converter with a built-in brake chopper topology simplifies wiring and eliminates the need for external braking resistors. A PROFIBUS-DP slave interface ensures deterministic communication with PLC systems, and the unit’s weight of 36 kg permits straightforward mounting and handling during installation.

Engineered for reliability, the RD52.1-4B-005-L-NN-P1-L2-FW is earth-fault-, short-circuit-, and idling-proof, safeguarding both motor and drive electronics. A 4-line graphical display paired with a removable user panel offers intuitive commissioning and real-time monitoring at the machine front. Peer-to-peer coupling via fibre optic cable enables high-speed synchronization between drives, while an operating ambient range of 0 °C to 40 °C accommodates typical factory conditions without derating.