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Allen Bradley PowerFlex 700S 20D-RES-A1

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20D-RES-A1

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The 20D-RES-A1 resolver feedback option module from Allen Bradley's PowerFlex 700S series is designed to enhance control accuracy. This module features 12-bit equivalent feedback precision, supports differential analog inputs, and has an update rate of 62.5 microseconds per sample.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 20D-RES-A1

ManufacturerAllen Bradley
Product TypeResolver Feedback Option Module
Product LinePowerFlex 700S
Part Number20D-RES-A1
UPC820919372353
Weight0.63 lbs (0.28 kg)
Resolution12-bit equivalent feedback accuracy
Update Rate62.5 µs per sample
Isolation Voltage (Resolver to Drive)50 VDC
Connector TypeTerminal block plug-in
Shielding RequirementTwisted-pair shielded cable
Maximum Cable Length (Resolver)30 m
Signal Input TypeDifferential analog inputs
Resolver Reference Input1 channel
Resolver Input Channels2 (sine/cosine)
Resolver Excitation Voltage7 Vrms nominal
Resolver Excitation Frequency10 kHz nominal
Input Current Consumption150 mA max
Input Voltage5 VDC ±10%
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Engineered for precision, the Allen Bradley 20D-RES-A1 resolver feedback option module is adept at handling critical feedback processes within a system. It delivers feedback accuracy equivalent to 12 bits, allowing for high-resolution control in various applications. The device is particularly effective with its rapid update rate of 62.5 microseconds per sample; this ensures that data from the feedback mechanism is current and reliable.

The module's design allows for an isolation voltage of 50 VDC between the resolver and the drive, contributing to enhanced safety and reliability. For effective connectivity, a terminal block plug-in connector is utilized, simplifying integration into existing setups. It mandates the use of twisted-pair shielded cables to reduce interference and maintain signal integrity.

The 20D-RES-A1 supports a maximum cable length of 30 meters for the resolver, offering flexibility in installation. Its input configuration features differential analog inputs, which improve noise performance and signal clarity. The module accommodates a single resolver reference input and is equipped with two input channels dedicated to sine and cosine signals.

To power the resolver effectively, an excitation voltage of 7 Vrms is provided, with a standard excitation frequency of 10 kHz. The input current consumption can reach up to 150 mA, and the module operates under an input voltage of 5 VDC, with a tolerance of ±10%. This ensures robust functionality and adaptability in diverse operational environments.