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Allen Bradley Signal Conditioners 931S-C121

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931S-C121

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The 931S-C121 by Allen Bradley functions as an analog signal converter, offering reliable performance for managing signal conversions. This device operates with an input current range of 0 to 20 mA or 4 to 20 mA, and similarly provides output within these parameters.

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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-C121

ManufacturerAllen Bradley
Product TypeAnalog Signal Converter
Product LineSignal Conditioners
Part Number931S-C121
Weight25.00 lbs (11.34 kg)
Input Current Range0...20 mA / 4...20 mA
Output Current Range0...20 mA / 4...20 mA
Supply Voltage24 VDC
Number of Channels1 Channel
Isolation Type3-way galvanic isolation
Mounting Type35 mm DIN Rail
Minimum Operating Temperature-40°C
Maximum Operating Temperature70°C
Minimum Storage Temperature0°C
Maximum Storage Temperature40°C
Installation Altitude1000 m
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The 931S-C121 component from Allen Bradley is an efficient analog signal converter adept at converting input and output signals. It accepts current inputs ranging from 0 to 20 mA and 4 to 20 mA while providing the same flexibility for current outputs. Designed to operate at a supply voltage of 24 VDC, the converter is appropriate for a variety of industrial applications.

This model includes a single-channel configuration, perfect for straightforward implementations. A key feature is its 3-way galvanic isolation, which helps in preventing electrical interference and enhances signal integrity across the device. The 931S-C121 can be conveniently mounted on a standard 35 mm DIN rail, simplifying the process of adding it to existing systems.

In terms of environmental conditions, it is built to function within a wide operational temperature range, from -40°C to 70°C. Additionally, it can be stored effectively between 0°C and 40°C, ensuring that it remains functional under a variety of circumstances. The altitudinal limits of this signal conditioner allow installation up to 1000 meters above sea level, making it versatile for different geographic locations.