RD51.1-5B-110-D-DL-FW Bosch Rexroth Indramat
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MPN: R911200412
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The Bosch Rexroth Indramat RD51.1-5B-110-D-DL-FW is a drive controller in the RD 500 Drive Controllers series. It features a built-in brake chopper and operates with a rated power of 110 kW using U/f curve control. The unit supports a voltage range of 500 V and utilizes a plug-through cooler for cooling.
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Product Description:
The RD51.1-5B-110-D-DL-FW is a drive controller manufactured by Bosch Rexroth Indramat as part of the RD 500 Drive Controllers series. Used in inverter cabinets, the unit converts fixed mains frequency into a variable output so asynchronous or synchronous motors can be speed regulated in automated production lines. By combining control, power conversion, and protective circuits in one module, it reduces panel wiring and supports centralized motion control or pump duty where adjustable torque is required. Its layout is intended for cabinet-based installations that need coordinated motor control from a single drive platform.
The controller has a continuous output of 110 kW, which is the maximum motor power it can support without derating under the stated operating conditions. It is supplied through a three-phase AC converter front end, and its DC link is intended for the 500 V class, allowing use on suitable industrial power systems. Regulation is based on U/f curve control, so the drive maintains the proper relationship between stator voltage and frequency for standard induction motor operation. Heat from the switching section is carried outside the cabinet by a plug-through cooler, which helps reduce the internal temperature rise around neighboring components.
Dynamic deceleration energy is handled by a built-in brake chopper, which reduces the need for an external braking module during many stopping sequences. For control connections, the unit includes a NAMUR terminal strip and supports external 24 V standby power, allowing control circuits to remain energized from an auxiliary supply when needed. Condition monitoring can be expanded through feedback of cable damping (C3, D3), which reports transmission losses to the drive for correction. The unit is design generation 1 and is identified as a drive controller in the product naming structure.
Frequently Asked Questions about RD51.1-5B-110-D-DL-FW:
Q: Does the RD51.1-5B-110-D-DL-FW drive controller come with a built-in brake chopper?
A: This model includes a built-in brake chopper for dynamic braking without requiring additional external modules.
Q: What is the rated power output of the RD51.1-5B-110-D-DL-FW drive controller?
A: The RD51.1-5B-110-D-DL-FW has a rated power capacity of 110 kW for industrial applications.
Q: What type of control method does the RD51.1-5B-110-D-DL-FW drive controller use?
A: The controller supports U/f curve control, enabling flexible speed and torque adjustment for various motor types.
Q: What type of cooling does the RD51.1-5B-110-D-DL-FW utilize?
A: A plug-through cooling system is provided for this model, supporting continuous operation up to 110 kW.
Q: What voltage range and supply type does the RD51.1-5B-110-D-DL-FW accept?
A: The RD51.1-5B-110-D-DL-FW supports a 500 V voltage range and operates on a 3-phase AC supply.
