1070083683-109 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat 1070083683-109 is a 7.3 kg servo drive module from the DMA Servo Drive Modules series. It features a resolver encoder interface, analog and 10-bit U/f interface options, and a module width of 50 mm. The drive supports a rated current of 23 Amps at 4 kHz and 15 Amps at 8 kHz, with a DC link voltage of 670 VDC regulated.
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Product Description:
The 1070083683-109 module belongs to the DMA Servo Drive Modules series produced by Bosch Rexroth Indramat. It is a servo drive unit intended to supply controlled three-phase power to synchronous motors in multi-axis machinery. The drive ties into a shared DC bus and regulates motor torque while receiving feedback from a resolver interface; this configuration eliminates the need for additional digital encoders and simplifies wiring inside the cabinet. Within an automation cell, the device executes current loops while high-level positioning control is handled by an external motion controller.
The drive is powered by a 24 V control circuit that draws 1.32 A. Internally, its DC link operates at a non-regulated potential of 715 VDC and a regulated level of 670 VDC; the regulated level is maintained by the supply section to stabilize motor voltage during load swings. When the pulse-width-modulated carrier is set to 4 kHz in open-loop operation, the drive can deliver up to 51 A (rms), while an 8 kHz carrier limits open-loop current to 44 A (rms). Analog command inputs using a 10-bit U/f profile allow speed or torque references from legacy controllers. Resolver feedback passes through a measurement chain that supports 20-bit staging resolution and a mounting resolution of 32 bits with 4096 absolute revolutions, allowing fine velocity regulation without an embedded position loop.
During closed-loop operation, the current is capped at 23 A (rms) at 4 kHz and 15 A (rms) at 8 kHz, values that keep silicon temperature within limits so cabinet heat dissipation does not exceed 220 W. The housing measures 50 mm in width, weighs 7.3 kg, and ships as the standard variant for this series. Control interfaces are limited to analog speed references and resolver feedback, so the module is suited to systems that handle higher-level motion functions outside the drive.
Frequently Asked Questions about 1070083683-109:
Q: What type of encoder interface does the 1070083683-109 drive module use?
A: The resolver encoder interface is used on the 1070083683-109 module for feedback purposes.
Q: What is the maximum current rating of the 1070083683-109 drive at 4 kHz in open loop operation?
A: This module can deliver a maximum current of 51 A(rms) at 4 kHz under open loop conditions.
Q: What interface options are provided on the 1070083683-109 servo drive module?
A: Analog and 10-bit U/f interface options are available on this device.
Q: Is positioning control available on the 1070083683-109 drive module?
A: The module does not feature positioning control capability.
Q: What is the 24 V supply demand for the 1070083683-109 servo drive?
A: This module requires a 24 V supply with a demand of 1.32 A.
