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Allen-Bradley 2090-SR120-09

SKU: 2090-SR120-09-SOB-USA

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Warranty Information

All products (new, surplus, and refurbished) are covered by Chief Automation's 1 Year Warranty. The Manufacturer's Warranty does NOT apply.

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Product Specifications

brand name Allen-Bradley

The part number 2090-SR120-09 is an Allen-Bradley shunt resistor, specifically designed for use with Kinetix 6000 multi-axis servo drives. It is a critical component in the control of electrical noise in industrial automation systems. The shunt resistor is used to monitor the current flowing through the motor and provide feedback to the drive controller, which helps to maintain precise control over the motor's speed and position.

Technical Specifications

  • Operating Temperature: The shunt resistor operates within a temperature range of 0°C to 50°C (32°F to 122°F).
  • Vibration and Shock: The component is designed to withstand vibrations of 2 g at 10-2000 Hz and shock of 15 g at 11 ms half sine.
  • Altitude and Humidity: It can function at altitudes of up to 1500 m (5000 ft) and in non-condensing humidity levels of 5-95%.
  • Power Performance: The shunt resistor's power performance increases by about 5.5 W for every 1°C (3.1 W/°F) drop in ambient temperature.

Alarm/ Error Codes

The shunt resistor does not generate specific alarm or error codes. Its primary function is to provide a precise measurement of the motor current, which is then used by the drive controller to adjust the motor's speed and position. Any issues with the shunt resistor would likely be reported through the drive controller's error codes or alarm messages.

User Manuals

The user manual for the Kinetix 6000 multi-axis servo drive, which includes the shunt resistor, is available from Rockwell Automation. This manual provides detailed information on the installation, setup, and troubleshooting of the drive system, including the shunt resistor.


Troubleshooting the shunt resistor typically involves checking for proper installation, ensuring that the drive system is configured correctly, and monitoring the motor current and drive performance. If issues persist, it may be necessary to consult the user manual or contact a technical support specialist.


The shunt resistor does not require programming. Its function is to provide a precise measurement of the motor current, which is then used by the drive controller to adjust the motor's speed and position. The drive controller is programmed to interpret the current data and adjust the motor accordingly.


The installation of the shunt resistor involves mounting it on the same panel as the drive and as close to the drive as possible to improve electromagnetic compatibility (EMC) performance. The shunt resistor should be securely fastened to the panel using M6 (0.25 in.) bolts, and all fasteners should be properly bonded to the subpanel.

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