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Allen Bradley Signal Conditioners 931N-T221

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931N-T221

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The 931N-T221 from Allen Bradley is a signal conditioner suitable for thermocouple input applications. It accommodates Type J thermocouples up to +1200 °C and Type K thermocouples up to +1372 °C, making it versatile for high-temperature environments.

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2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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 931N-T221

ManufacturerAllen Bradley
Product TypeSignal Conditioner
Product LineSignal Conditioners
Part Number931N-T221
Weight1.00 lbs (0.45 kg)
UPC191326317955
Input TypeThermocouple type
Input Temperature Range (Type J)Up to +1200 °C
Input Temperature Range (Type K)Up to +1372 °C
Minimum Measurement Span50 °C
Output Current Signal0-20 mA, 4-20 mA
Output Voltage Signal0-5V, 1-5V, 0-10V, 2-10V
Power Supply24 VDC
Minimum Power Supply Value16.8 V
Maximum Power Supply Value31.2 V
Galvanic IsolationUp to 2.5 kV AC
Mounting TypeDIN Rail
Number of Channels1 input channel, 1 output channel
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The Allen Bradley 931N-T221 is a highly functional signal conditioner configured for thermocouple inputs. It supports both Type J and Type K thermocouples, enabling temperature readings up to +1200 °C and +1372 °C, respectively. This broad input temperature range makes it suitable for a variety of thermal monitoring applications.

With a minimum measurement span of 50 °C, the 931N-T221 is capable of capturing various ranges of temperature changes. It provides multiple output options for current signals, including 0-20 mA and 4-20 mA, while also accommodating different voltage signal outputs such as 0-5V, 1-5V, 0-10V, and 2-10V. This flexibility allows the conditioner to interface with numerous control systems and monitoring devices.

The unit operates on a power supply of 24 VDC, supporting a range from 16.8 V to 31.2 V to maintain functionality under different conditions. To enhance safety, the conditioner features galvanic isolation rated for up to 2.5 kV AC, which protects connected equipment from voltage spikes and ensures safe measurements.

Designed for easy installation, the 931N-T221 mounts efficiently on DIN rails. It encompasses one input channel and one output channel, simplifying connections while providing reliable performance in signal conditioning tasks.