R911295328 (HMS01.1N-W0210-A-07-NNNN)

What are the safety and regulatory implications for the Bosch Rexroth Indramat model HMS01.1N-W0210-A-07-NNNN in industrial installations?

Because it’s built for industrial use, installation must ensure compliance with standards for electrical safety, EMC (electromagnetic compatibility), and overcurrent/overvoltage protection; for example, maintaining isolation, grounding and shielding, using EMC filters if needed. Also, since IP20 offers limited ingress protection, any external environment conditions (dust, moisture) may require enclosure upgrades or other mitigation to comply with safety and maintenance regulations.

Are there any derating or performance limitations when operating at lower switching frequencies (e.g. 4 kHz)?

Yes: at lower switching frequencies, output current ripple increases, motor heating increases (due to harmonics), and output torque may be less smooth; also audible noise might be more pronounced. But lower switching frequencies reduce switching losses, improving inverter efficiency and reducing thermal stress—so a trade-off useful for less demanding applications.

Which motors and load types are best suited for the HMS series in industrial contexts?

This inverter is well suited to high-power, high-torque motors such as those in robotics arms, gantry systems, packaging lines, or conveyors where torque demands are high and dynamic performance is necessary. Loads with frequent starts/stops, reversals, or precise speed control especially benefit, although continuous heavy loads will stress cooling and may require conservative specification.

How does the “HMS01.1N-W0210-A-07-NNNN” model’s power dissipation of ~1570 W affect reliability over long duty cycles?

That much dissipation means that under prolonged high load (especially at higher switching frequencies), thermal stress on power semiconductors, fans/blowers, and other components is high; potentials of thermal cycling can reduce component life. Effective heat sinking, ensuring airflow, and possibly environmental cooling (ambient air conditioning or forced extraction) help maintain reliability.

What real cabling and connection considerations are needed for a DC 700 V bus and 210 A output?

Cable insulation needs to be rated for >700 V DC plus safety margin; cross-section must handle ~210 A continuous current (plus margin for temperature, duty cycle), so heavy gauge copper, minimal voltage drop, and low resistance paths are required. Also layout matters: DC bus wiring should be short and twisted or arranged to minimize loop inductance, which can impact voltage spikes and EMI.

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The Bosch Rexroth Indramat HMS01.1N-W0150-A-07-NNNN is a HMS Axis Inverter designed for industrial applications. It operates with a nominal DC bus voltage of 700V, a maximum current of 210A, and offers adjustable switching frequencies. This drive controller is ideal for automation tasks in industries like robotics, packaging, and material handling.