DMA 85B 1101-D Bosch Rexroth Indramat
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
MPN: 1070070780
The Bosch Rexroth Indramat DMA 85B 1101-D is a 3-phase servo drive module designed for synchronous and asynchronous motors. Part of the DMA Servo Drive Modules series, it features air cooling via backplane and a SERCOS interface. The module uses a standard encoder interface and has a width of 100 mm.
Internal Product Review
The DMA 85B 1101-D is a well-designed 3-phase servo drive module for synchronous and asynchronous motors in the Servodyn-D series. Air-cooled backplane construction and a SERCOS interface support clean integration and stable thermal performance in motion control cabinets. Standard encoder interfacing supports dependable feedback handling, and the standard variant remains a strong fit for established automation platforms.
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Product Description:
The DMA 85B 1101-D is a servo drive module produced for the DMA Servo Drive Modules series. It links a central motion controller to synchronous or asynchronous motors by converting incoming three-phase mains power into regulated armature current and by forwarding control signals. Within industrial automation cells, the unit mounts on a drive rack backplane and governs motor torque, speed, and status feedback so coordinated multi-axis motion remains repeatable under changing mechanical loads. This operating role makes it suitable for machinery that depends on synchronized axis response during continuous production.
Its thermal management relies on backplane air cooling, meaning heat is drawn through the rear rail and removed by cabinet airflow rather than by an internal fan. A front dimension of 100 mm keeps lateral spacing predictable in multi-axis cabinets and allows dense stacking without blocking ventilation paths. Command and feedback signals reach the drive through the SERCOS interface, while motor feedback is processed through a standard interface that accepts typical incremental or absolute encoders. The module has no additional functions, so it remains focused on core motion-control tasks without optional I/O or safety overlays.
As a 3-phase module for synchronous and asynchronous motors, the unit supplies balanced output phases that help reduce torque ripple and audible noise during operation. The underlying architecture is identified as the Servodyn-D series, which keeps the module aligned with the platform used for this drive family. The build is identified as a standard variant, so connector pinouts and general configuration follow the default arrangement used for this model. It is intended for rack-based drive systems where several axes share a common cabinet structure and coordinated control layout.
