11BRCX-300-B1
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The Danaher 11BRCX-300-B1 resolver, part of the Dynapar Resolvers series, features a rotor mounting type. It operates with an excitation voltage of 7.5 Vrms and a frequency of 4000 Hz. Additionally, its phase shift is -2 degrees and it offers a transformation ratio of 1.07 for optimal performance.
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Product Description:
This commercial product with a model number 11BRCX-300-B1 is a rotor mounting type resolver with stable coupling in rotating systems. A speed setting of 7 is chosen to provide responsive performance over a varying operational range which is suitable for applications such as CNC axis feedback. The machine load fluctuations are supported by the use of 7.5 Vms excitation voltage. This voltage type supplies a reliable signal stimulus with respect to the accurate resolver output. The unit’s frequency is 4000 Hz and it enables high resolution signal detection to achieve a better real time positioning accuracy.
This is important in embedded systems with strict energy budgets (power consumption) and power minimization is achieved by minimum input current of 40.0 mA. The 1.07 transformation ratio actually results in a cleaner signal that directly contributes to cleaner output waveforms. Minimizing cross phase interference in densely packed systems is useful and a phase shift of -2° assists in this scenario. By setting the total null value of 15, balanced detection is obtained in the zero crossing cases. Under nominal conditions, the output voltage is approximately 8.0 V and is sufficient to produce a high signal strength across the processor circuits. Angular resolution is enhanced to the point of around 140 mV per degree that is essential for movement monitoring with finer grained resolution.
The DC rotor resistance measures roughly 5.7 Ωand a stator resistance of approximately 19 Ω supports stable current flow across the magnetic field which ensures uninterrupted data transmission. Weighing about 116 grams, this Dynapar Resolver remains compatible with lightweight mechanical assemblies. Danaher-engineered 11BRCX-300-B1 includes an operating temperature range from -55°C to +125°C which expands usability in extreme environments. A verified MTBF rating of over 250,000 hours supports long-term deployment in critical industrial systems without frequent servicing.
Frequently Asked Questions about 11BRCX-300-B1:
Q: How does the 11BRCX-300-B1 resolver manage power efficiency in CNC systems?
A: The input current of 40.0 mA ensures minimal energy draw. This keeps your control systems efficient during continuous operations.
Q: Can I use the 11BRCX-300-B1 in environments with high-frequency interference?
A: Yes, its 4000 Hz operational frequency allows strong signal integrity. It avoids distortion even near powerful EMI sources.
Q: What kind of precision does the 11BRCX-300-B1 resolver offer in angular measurement?
A: The sensitivity of 140 mV per degree allows fine-resolution feedback. You get precise rotation monitoring with every signal change.
Q: How does the 11BRCX-300-B1 perform in thermally demanding environments?
A: With a DC rotor resistance of 5.7 Ω, the resolver minimizes heat during use. This supports long-term function in high-temperature zones.
Q: Is the 11BRCX-300-B1 variant suitable for compact control units?
A: The product’s 116-gram weight makes it easy to integrate. It also suits light systems without affecting structural balance.
