HDS02.1-W040N-HS74-02-FW
The HDS02.1-W040N-HS74-02-FW is a modular axis drive controller manufactured by Bosch Rexroth Indramat for the HDS Drive Controllers series. Mounted beside a compatible power supply inside a multi-axis rack, it conditions the shared DC bus and sends precisely timed switching commands to the connected axis channel. This arrangement lets one centralized supply feed several motion axes while the controller manages the electrical response of its assigned motor. In industrial automation, the unit closes the torque and velocity loops of one motor channel, translating high-level motion profiles from the machine control into regulated current for the motor windings.
Belonging to the DIAX04 controller family, the module integrates with other axis cards through the backplane to form coordinated drive assemblies. Integration through the backplane keeps command and status exchange inside the rack and reduces separate wiring between adjacent modules. A continuous output capability of 40 A is the maximum motor phase current it can regulate under rated thermal conditions. Heat is removed by a built-in air blower, so external ducting or liquid cooling is unnecessary. The controller is Version 1. The device is an HDS Drive Controller for axis-level current regulation and diagnostics rather than supply functions.
Within the product hierarchy, Line 02 marks the performance tier used for medium-power servo modules in the same rack. High-speed data exchange is accomplished through SERCOS, providing deterministic fiber-optic communication for real-time synchronization without auxiliary fieldbus cards. The fiber-optic ring supports cyclic command transfer and helps maintain consistent timing between axes during coordinated motion. The command path is identified as the Command Communication Interface, which indicates the communication channel used for coordinated control within the drive system. By separating command communication from the power supply hardware, the module remains focused on motion control for its assigned motor.
