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Allen Bradley Bulletin 931 Signal Conditioners 931U-C9A2C-OP

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931U-C9A2C-OP

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The 931U-C9A2C-OP signal converter by Allen Bradley is designed for accurate temperature measurement and control. It supports Pt100 and Pt1000 RTDs and features a wide power supply range, ensuring compatibility with various systems.

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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 931U-C9A2C-OP

ManufacturerAllen Bradley
Product TypeSignal Converter
Product LineBulletin 931 Signal Conditioners
Part Number931U-C9A2C-OP
Weight0.25 lbs (0.11 kg)
Power Supply10–40 V DC
Supported RTDPt100/Pt1000
Accuracy0.001
ProtectionReverse polarity & short-circuit
MountingDIN-rail
Output TypePassive/Current Loop
Isolation2.5 kV
Converter TypeUniversal Thermocouple/RTD
Output Signal4–20 mA
Response Time150 ms
Input TypePassive
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The Allen Bradley 931U-C9A2C-OP is a versatile signal converter. Specifically designed for temperature applications, this unit supports RTD types Pt100 and Pt1000. It operates on a power supply that ranges from 10 to 40 V DC.

With an accuracy rating of 0.001, this signal converter ensures precise readings. It features a response time of 150 ms, suitable for processes that require quick feedback. The output signal type is a passive current loop, delivering a standard 4–20 mA output.

This device is mounted on a DIN rail, facilitating straightforward installation in control panels. Additionally, it offers protection against reverse polarity and short-circuits, enhancing its durability. The isolation level reaches up to 2.5 kV, making the 931U-C9A2C-OP reliable for use in various industrial environments. With its passive input type and universal compatibility with thermocouples and RTDs, it serves as an effective component in temperature measurement and control systems.