11BRW-300-B-10
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The 11BRW-300-B-10 resolver features a single-speed rating, an operational frequency of 4,000 Hz, a rated voltage of 7.5 Vrms, and an input current of 40.0 mA. Part of the Dynapar Resolvers series by Danaher, it is equipped with a transformation ratio of 1.07 and a mounting configuration on the rotor.
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Product Description:
The 11BRW-300-B-10 Resolver provides accurate rotary position feedback as a product of Danaher used in industrial automation. The resolver runs its excitation frequency between ±5 percent kHz of the specified range. The resolver supports input voltages that fall between ±10 percent of Vrms. The resolver restricts its peak input current to an 8.3 milliamperes RMS level.
The maximum power consumption of the 11BRW-300-B-10 resolver reaches 0.35 watts. The impedance of ZRO is specified as 345 ± 515 ohms. The ZRS must be kept between 80 ± 230 ohms. The impedance values for ZSO stay between 700 ± 1150 ohms while ZSS operates within 160 ± 500 ohms. The stable electrical output performance happens because of these impedance levels that keep the output consistent during various operating conditions. The transformation ratio of 11BRW-300-B-10 resolveroperates within a defined area of ±10 percent accuracy. The open circuit phase shift stays within the range of -5 to +5 degrees. The null signal maintains a maximum RMS value below 75 millivolts. Insulation safety for the resolver requires testing at 500VAC between the case and leads. At 250VAC between interphase lines with a rating of 2 mArms. The designated values protect the resolver from malfunctioning in tough electrical settings.
This 11BRW-300-B-10 resolver operates effectively from -55°C to +125°C throughout its entire temperature range. The static torque measurements show a value of 6 gram-centimeters at room temperature and 8 gram-centimeters at -55 degrees Celsius. The moment of inertia that the rotor possesses is 0.32 g.cm2. This resolver includes mechanical specifications that limit end play at 0.002 inches and radial play at 0.001 inches. The measurement of T.I.R. on shaft runout shows a value under 0.001 inches. The weight measurement for the entire unit reaches 116 grams.
Frequently Asked Questions about 11BRW-300-B-10:
Q: How does impedance ZRS range support signal consistency in the 11BRW-300-B-10?
A: ZRS impedance consistency supports stable resolver operation. It ensures that signal transmission quality is unaffected by varying load conditions.
Q: What advantage does the end play limit of 0.002 inches bring to 11BRW-300-B-10?
A: The 0.002 inch end play limit prevents axial shaft displacement. This helps retain mechanical integrity during long-term usage.
Q: How does the 500VAC insulation test enhance the 11BRW-300-B-10's safety in industrial use?
A: The 500VAC test confirms isolation integrity between electrical paths. It prevents short circuits and enhances reliability in high-voltage environments.
Q: How does the static torque at -55°C affect the mechanical stability of 11BRW-300-B-10?
A: Increased torque at low temperatures ensures reliable operation in cold environments. It maintains consistent mechanical resistance for accurate performance.
Q: Why is the phase shift range of -5° to +5° critical in the 11BRW-300-B-10's signal integrity?
A: Maintaining a tight phase shift range keeps signal timing accurate. It helps preserve synchronization between resolver output and control systems.
