11BRW-300-M-10B Danaher
Wake Industrial LLC is not an authorized distributor of this product.
The Danaher 11BRW-300-M-10B is part of the Dynapar Resolvers series and operates with an excitation frequency of 5000 Hz and an input voltage of 10.0 Vrms. The resolver has a stator primary winding, a transformation ratio of 0.50 V/V, and an input current of 8.3 mA.
Internal Product Review
The 11BRW-300-M-10B is a Danaher Dynapar resolver well suited for precise rotary feedback in industrial motion-control systems. Operation at 10.0 Vrms input voltage and 5000 Hz excitation frequency supports stable signaling and straightforward interface matching. Low 30 mV null voltage reflects clean signal quality, making the resolver a strong choice for dependable position sensing.
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Product Description:
The 11BRW-300-M-10B resolver is manufactured by Danaher and belongs to the Dynapar Resolvers series. As a rotary feedback element, it converts shaft angle into analog sine-cosine signals that motion controllers use for position and velocity loops in industrial automation. The unit provides noncontact, absolute feedback in harsh environments where optical encoders may fail, making it suitable for servo motor commutation, precision robotics, and heavy-duty CNC axes.
The resolver operates with a continuous reference winding that receives an excitation voltage of 10.0 Vrms at 5000 Hz. With this drive signal applied, the stator draws only 8.3 mA, minimizing heat while maintaining a clean carrier waveform. The two secondary windings return amplitude-modulated outputs with a transformation ratio of 0.50 V/V, enabling straightforward ratiometric decoding inside a transformer input card. The low current demand and excitation voltage allow the resolver to share the same isolated supply used by small inductive sensors. The carrier frequency maintains sufficient reactive impedance for cable lengths commonly used in machine-tool installations.
Residual error is characterized by a null voltage of 30 mV, indicating the maximum differential output that can appear at the electrical null position. This value helps determine the allowable offset for an analog-to-digital converter. A fixed phase shift of -5 degrees between the reference and feedback signals must be considered during calibration and signal processing. The electrical speed is rated at 1, indicating one electrical cycle per mechanical revolution, so commutation logic can treat the mechanical and electrical positions as identical. Because the primary winding is located on the stator, the rotating assembly maintains low inertia. This arrangement benefits servo axes that require rapid acceleration and precise angular feedback under demanding operating conditions.
