DMA 85B 1101-D Bosch Rexroth Indramat
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MPN: 1070070780
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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.
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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.
Frequently Asked Questions about DMA 85B 1101-D:
Q: What cooling method does the DMA 85B 1101-D servo drive employ?
A: The DMA 85B 1101-D uses air cooling via the backplane for thermal management.
Q: What type of encoder interface is available on the DMA 85B 1101-D?
A: This module supports motor connectivity through a standard encoder interface.
Q: Which communication interface option is included with the DMA 85B 1101-D?
A: The interface option provided is the SERCOS Interface for communication.
Q: What is the module width of the DMA 85B 1101-D servo drive?
A: The DMA 85B 1101-D has a module width of 100 mm.
Q: Are there any additional functions included with the DMA 85B 1101-D?
A: No additional functions are present on this model.
