Product Description:

The DKR04.1-W400N-BA08-01-FW is a drive controller produced by Bosch Rexroth Indramat for the DKR Drive Controllers series. This rack-mount unit coordinates torque, speed, and position loops for large servo and spindle motors used in material handling lines, machine tools, and packaging machines. By processing sensor feedback and forwarding scaled drive commands, the module links the plant's central PLC with field actuators and serves as a core element in closed-loop industrial automation. It is intended for systems that require stable regulation across changing loads and coordinated axis response during production cycles.

It exchanges reference values through an analog interface, allowing straightforward integration with legacy motion cards while still supporting high-resolution control loops. Motor position data are accepted through digital servo and resolver feedback, so the controller can work with absolute or incremental signaling without additional option boards. Thermal management uses air cooling with a built-in blower; the internal fan moves cabinet air across the heat sink and removes the need for external ducts. Energy is returned directly to the DC link because the unit operates without a brake chopper, so the connected supply must absorb regenerated power.

The unit is identified by design version 1, and its control functions are grouped under function numeric version 01. The controller belongs to line series 04, which places it among medium-power axes that share the same wiring layout. The enclosure size is consistent within this product range, and the controller uses the same bus structure and parameter file arrangement as comparable units in the series. The line and version codes indicate where the unit fits within the product range and distinguish it from other controller variants.