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Allen Bradley Point I/O 1734 1734-IR2K

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1734-IR2K

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The Allen Bradley 1734-IR2K is an RTD input module designed to process temperature sensor data. It accommodates two single-ended inputs with non-isolated connections and offers a resolution of 16 bits.

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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 1734-IR2K

ManufacturerAllen Bradley
Product TypeRTD Input Module
Product LinePoint I/O 1734
Part Number1734-IR2K
Weight0.69 lbs (0.31 kg)
Inputs2 Single-Ended Inputs
Input IsolationNon-Isolated Inputs
Resolution16-Bit Resolution
Input Range0 to 600 Ohms
Absolute Accuracy0.1% Full Scale at 25 degrees Celsius
Accuracy Drift Rating with Temperature300 ppm per degree Celsius
Conversion TypeDelta Sigma Conversion Type
Rejection Ratio (Common Mode)120 dB
Rejection Ratio (Normal Mode)100 dB
Data FormatSigned Integer Format
Maximum Overload OptionNo Input Protection
Screw Torque for Terminal Base0.8 Nm
Keyswitch PositionPosition 6
Maximum Power Dissipation1 Watt
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The 1734-IR2K from Allen Bradley is a specialized RTD input module characterized by its dual single-ended inputs. This device does not provide input isolation, which can simplify certain applications. It features a resolution of 16 bits, allowing for detailed readings and diagnostics.

Capable of measuring resistance within a range of 0 to 600 Ohms, this input module delivers reliable performance, especially with its absolute accuracy of 0.1% full scale at a temperature of 25 degrees Celsius. In terms of precision, its accuracy drift rating is 300 ppm for each degree Celsius change in temperature. Conversion is done via delta sigma, ensuring smooth measurements.

The module boasts remarkable noise filtering capabilities with a common mode rejection ratio of 120 dB and a normal mode rejection ratio of 100 dB. The data format is presented in signed integer format, suitable for various programming applications. It is noteworthy that the 1734-IR2K has no input protection for maximum overload conditions, so careful handling is recommended.

For installation, a screw torque of 0.8 Nm is required at the terminal base. The keyswitch is set to position 6 to select its operational mode. Finally, the module has a maximum power dissipation of 1 watt, ensuring efficient use within system parameters. The Allen Bradley 1734-IR2K stands out as a practical solution for implementing temperature inputs in automated environments.