RD51.1-5B-005-L-V1-FW Bosch Rexroth Indramat
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MPN: R911200670
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The Bosch Rexroth Indramat RD51.1-5B-005-L-V1-FW is a drive controller and part of the RD 500 Drive Controllers series. It features U/f curve control, a built-in brake chopper, and operates with a rated power of 5.5 kW. This model uses forced air cooling and requires a 3 x AC converter supply with a voltage range of 500 V.
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Product Description:
The RD51.1-5B-005-L-V1-FW drive controller is produced by Bosch Rexroth Indramat as part of the RD 500 Drive Controllers series. Designed for cabinet mounting, the unit conditions three-phase line power and applies it to asynchronous motors so factory equipment can run at commanded speeds and ramp profiles. By linking with digital or analog setpoints from a PLC, it provides the regulated voltage and frequency needed for conveyors, mixers, or pump stations while maintaining protection features for both the motor and the supply network.
At its input, the controller accepts a nominal three-phase AC supply of 500 V and operates as a 3 x AC converter, turning fixed line power into a variable output matched to the load. The power section is rated for 5.5 kW, giving adequate capacity for medium-frame motors commonly used in material-handling cells. Speed adjustment follows a U/f curve control method, so voltage is reduced in proportion to frequency to keep magnetic flux within safe limits. Thermal management is handled by forced air cooling, and the housing includes directional fan channels that remove switching heat from the IGBT stack during continuous service.
A built-in brake chopper dissipates regenerated energy during rapid deceleration, eliminating the need for an external braking module in smaller installations. The control electronics can remain energized by an external 24 V standby power feed, allowing communication and stored parameters to remain available when the main supply is isolated. The controller is design 1, so its parameters, plug configuration, and fault codes follow the first generation of the RD platform. Application-specific behavior depends on the selected software package, and firmware must be ordered as a separate subposition so the required function set can be chosen.
Frequently Asked Questions about RD51.1-5B-005-L-V1-FW:
Q: Does the RD51.1-5B-005-L-V1-FW drive controller have an integrated brake chopper?
A: The RD51.1-5B-005-L-V1-FW includes a built-in brake chopper, which helps manage regenerated energy during braking.
Q: What is the rated power capacity of the RD51.1-5B-005-L-V1-FW drive controller?
A: This drive controller supports a rated power of 5.5 kW, meeting mid-range power requirements for various motor applications.
Q: How is the RD51.1-5B-005-L-V1-FW drive controller cooled?
A: This model uses forced air cooling to maintain optimal operating temperatures and prevent thermal overload.
Q: What control method is used in the RD51.1-5B-005-L-V1-FW drive controller?
A: It operates using U/f curve control, providing control over the voltage-to-frequency ratio supplied to motors.
Q: What voltage supply does the RD51.1-5B-005-L-V1-FW require?
A: The RD51.1-5B-005-L-V1-FW is designed for a supply voltage of 500 V as a 3-phase AC converter.
