21BRCX-511-D42B
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The 21BRCX-511-D42B features a single servo groove resolver type, a steel housing, a pilot length of 1.997 inches, and a frame size of 21 with an approximate outer diameter of 2.1 inches. Part of the Dynapar Resolvers series by Danaher, it incorporates a direct mount design for rotor primary applications.
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Product Description:
The 21BRCX-511-D42B is a Rotatory encoder transformer manufactured by Danaher and used to measure angular position and speed. The encoder is suited for motion control applications that demand precise feedback. Danaher invented the encoder for use in industrial automation systems that require precise signal transduction for position sensing.
The outer diameter of the 21BRCX-511-D42B encoder is 2.1 inches, and it has a frame size of 21. Its rotor primary configuration system type is BRCX. The steel housing has a length of 1.06 inches and is equipped with a single servo groove type. The encoder has 8 VRMS and can handle input rates of up to 4 kHz. The pilot has a diameter of 1.997 inches. It shows how the output voltage will change compared to the input voltage with a transformation ratio of 0.25. 210, 110, and 40 ohms (Zro and Zso) of electrical resistance affect how wire pairs react. It has been tried very well and meets all the requirements to be used in servo control circuits and motor feedback loops. The 15 mV null number shows how well the encoder can find zero. Having two-speed windings changes the frequency response and the sharpness of the sound.
The 21BRCX-511-D42B rotatory encoder transformer's enclosure type guarantees system durability and alignment stability. The encoder is an exceptional option when a system needs a low null voltage, like 15 mV, to work consistently. The input reaction is set by the 210-ohm Zro impedance. In order to accurately determine the rotor's location, a 5.5-degree phase change is required. The encoder is the ideal choice when precise information regarding speed and location is required for industrial control.
Frequently Asked Questions about 21BRCX-511-D42B:
Q: Do 21BRCX-511-D42B windings include a 2-speed type?
A: Yes, it uses 2-speed windings to improve resolution. The speed winding supports electrical response per mechanical revolution for better accuracy.
Q: Why does 21BRCX-511-D42B use a 4 kHz frequency?
A: A 4 kHz input frequency improves signal clarity and response time. It enhances synchronization in control systems for real-time feedback.
Q: How does 21BRCX-511-D42B maintain 15 mV null?
A: Low null voltage ensures accurate zero-position detection. It minimizes signal offset and supports precise rotor alignment during operation.
Q: Why is the 21BRCX-511-D42B phase shift 5.5 degrees?
A: The 5.5-degree phase shift enables proper signal timing. It ensures the rotor position is aligned correctly in analog signal decoding.
Q: How do 21BRCX-511-D42B impedance values affect use?
A: Zro, Zso, Zrs, and Zss impact voltage drop and signal transfer. Each value defines performance in winding resistance and signal strength.
