21BRX701-J42AA

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The 21BRX701-J42AA resolver boasts an input voltage of 7 Vrms (±5%), a transformation ratio of 0.5 (±10%), a maximum input current of 40 mArms, and a temperature range of -55°C to 155°C. Part of the Dynapar Resolvers series by Danaher, it features a peak-to-peak position error of 20 arcminutes.

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Product Description:

The position feedback solution of the renowned Dynapar Resolvers series features the precise and dependable Danaher 21BRX701-J42AA resolver. The resolver achieves remarkable performance along with durability because it was made to operate under harsh environmental and rigorous operational conditions. The 21BRX701-J42AA exhibits a transformation ratio of 0.5 (±10%) that provides exact signal conversion and output performance. The product excels for applications needing precise and consistent results because of its unique feature. This resolver ensures dependable automated system motion control through its 20 arcminute peak-to-peak position error specification.

The resolver maintains stable operation when supplied with 7 Vrms (±5%) voltage at its input ports. The input current of 40 mArms allows the device to use power effectively as it performs precise signal processing tasks. The resolver stands strong because it uses a design that addresses industrial automation and motion control requirements. The 21BRX701-J42AA resolver excels because it functions within an extensive temperature range which spans from -55°C to 155°C. The resolver demonstrates remarkable flexibility as an industrial component because its operating temperature extends from -55°C to 155°C. The resolver functions reliably at both high-temperature industrial applications and cold storage environments.

The Danaher 21BRX701-J42AA stands as a premier product in motion control technology because the company Danaher produces it. The resolver achieves its best performance in challenging applications which need precise and dependable position data feedback. This device demonstrates exceptional precision when used for motion control purposes throughout CNC machinery robotics and automated production lines. The Danaher 21BRX701-J42AA resolver delivers dependable accurate performance which makes it suitable for engineers who need reliable solutions in demanding industrial conditions. The resolver proves optimal for numerous industrial applications because it incorporates a strong construction together with precise transformation ratios and supports wide temperature ranges.

Dc Resistance (r1-r2)
75 Ohms
Dc Resistance (s1-s3, S2-s4)
120 Ohms
Excitation Frequency
10 kHz (±1%)
Impedance (zro)
242 Ohms
Impedance (zrs)
214 Ohms
Impedance (zso)
638 Ohms
Impedance (zss)
571 Ohms
Input Current
Max. 40 mArms
Input Power
0.2 Watts
Input Voltage
7 Vrms (±5%)
Peak-to-peak Position Error
Max. 20 arcminutes
Peak-to-peak Velocity Error
Max. 2.0%
Phase Shift (open Circuit)
-5°
Temperature Range
-55°C to 155°C
Transformation Ratio
0.5 (±10%)

Frequently Asked Questions about 21BRX701-J42AA:

Q: What is the transformation ratio of the 21BRX701-J42AA resolver?

A: The transformation ratio of this resolver is 0.5 (±10%), ensuring precise position feedback.

Q: What is the maximum input current for this resolver?

A: The maximum input current is 40 mArms.

Q: What temperature range can this resolver operate within?

A: It operates efficiently between -55°C and 155°C.

Q: How accurate is the resolver's position feedback?

A: The resolver has a peak-to-peak position error of 20 arcminutes, providing accurate motion control.

Q: . What is the input voltage specification?

A: The resolver operates with an input voltage of 7 Vrms (±5%).


Internal Product Review

  • ‘‘The 21BRX701-J42AA resolver by Danaher is engineered for precision with a 20 arcminute position error and a transformation ratio of 0.5 (±10%). Operating from -55°C to 155°C, it delivers consistent performance in harsh conditions. Its 7 Vrms (±5%) input voltage and 40 mArms maximum input current ensure optimal functionality.’’

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