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Allen Bradley Bulletin 931 Signal Conditioners 931S-A2A5N-OP

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931S-A2A5N-OP

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The 931S-A2A5N-OP from Allen Bradley is a passive isolator and splitter module, well-suited for signal conditioning tasks. This device works within an input current range of 4 to 20 mA and has a maximum input threshold of 40 mA, ensuring versatility across various signal levels.

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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 931S-A2A5N-OP

ManufacturerAllen Bradley
CategoryMotors
Product LineBulletin 931 Signal Conditioners
Part Number931S-A2A5N-OP
UPC612598753468
Weight1.38 lbs (0.62 kg)
Module TypePassive Isolator, Splitter Module
Input Current Range4-20 mA
Maximum Input Current40 mA
Input Voltage Drop3.8V
Output Current Range2 x 4-20 mA
Output Signal LimitApproximately 31 mA
Output Load ImpedanceRL = (UB-12 Volts)/20 mA, e.g. 600 Ω at 24 Volts
Output Accuracy0.1% Typical, 0.2% Maximum
Temperature Coefficient≤ 150 ppm/K
Step Response Time< 20 ms
Cut-Off Frequency30 Hz (-3 dB)
Supply Voltage Range12V DC to 30V DC
Power TypeOutput Loop Power
Operating Temperature Range0 °C to +55 °C
Rated Insulation Voltage300V
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The 931S-A2A5N-OP is categorized as a passive isolator and splitter module by Allen Bradley, renowned for its efficiency in signal conditioning applications. This module effectively handles input currents from 4 mA up to 20 mA, with the capability to accommodate a maximum current of 40 mA. The voltage drop across the input is measured at 3.8V, which facilitates proper signal management.

For output, this module generates two signals, both falling within the 4 to 20 mA range. Output signal limits approximate to 31 mA, maintaining operational integrity. Impedance for the output load can be calculated using the equation RL = (UB-12 Volts)/20 mA, which equates to a typical load of 600 ohms at 24 volts.

When it comes to precision, the 931S-A2A5N-OP maintains an output accuracy of 0.1% under typical conditions and up to 0.2% maximum. The temperature coefficient is equal to or less than 150 ppm/K, ensuring minimal drift with temperature variations.

No delays hinder performance; the step response time is less than 20 milliseconds, providing rapid response in fluctuating systems. Additionally, it has a cut-off frequency measured at 30 Hz (-3 dB), allowing it to filter lower frequency signals effectively.

This module operates with supply voltages ranging between 12V DC and 30V DC, utilizing output loop power for functionality. It is designed for a temperature range from 0 °C to +55 °C, making it suitable for various industrial environments. Finally, it is rated for a maximum insulation voltage of 300V, offering safety and performance reassurance in networked systems.