HCS02.1E-W0028-03-NNNN Bosch Rexroth Indramat
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The Bosch Rexroth Indramat HCS02.1E-W0028-03-NNNN is a drive controller from the HCS IndraDrive Controllers series. It offers a power range from 1.5 to 11 kW and a device peak current of 28 Amps. The controller uses internal air cooling through an integrated blower.
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Product Description:
The HCS02.1E-W0028-03-NNNN drive controller is produced by Bosch Rexroth Indramat and belongs to the HCS IndraDrive Controllers series. It is a panel-mount module that provides closed-loop current, speed, and position control for electric axes in packaging lines, handling gantries, and CNC machines. Working as the control section of an IndraDrive power stage, it converts command words from the PLC into gate signals for the IGBT bridge and monitors incoming motor feedback. Because the feedback is evaluated inside the controller, the axis can maintain stable speed and position regulation as load conditions change. It also supervises operating states inside the axis and routes regenerated energy back to the DC bus during braking events.
The device peak current is 28 A, which is the maximum short-term motor phase current the power stage can withstand before protective shutdown. The intermediate-circuit capacitors, rectifier, and chopper components support applications from 1.5 to 11 kW, allowing one unit to serve several machine sizes. That range suits medium-capacity servo applications where the same controller family is used with different motor and power-section combinations. The unit is design version 1, and its option card pinout follows that revision. Power interface flexibility comes from compatibility with infeeding supply modules and DC-bus-fed supply modules, so regenerated energy may either return to the mains or circulate on a common DC link, depending on cabinet wiring.
Heat removal relies on internal air cooling, and an integrated blower moves air through the fin stack to keep semiconductor temperatures below the thermal cutoff without external ducting. This self-contained airflow helps the unit fit cabinet layouts that do not use separate external air channels for the drive. Within the HCS02 line, this cooling arrangement keeps dimensions consistent across ratings, which helps preserve panel spacing when different current classes are installed side by side. The mechanical footprint, terminal arrangement, and fieldbus connectors follow the same conventions throughout the HCS Drive Controller line, supporting standardized wiring across multiple IndraDrive axes.
