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Allen Bradley 1718 Ex I/O 1718-IR4B

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1718-IR4B

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The 1718-IR4B from Allen Bradley is an analog RTD input module equipped with four isolated channels. Designed for reliable communication via EtherNet/IP, it offers a 12-bit resolution, making it suitable for precise measurements in diverse applications.

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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 1718-IR4B

ManufacturerAllen Bradley
Product TypeAnalog RTD Input Module
Product Line1718 Ex I/O
Part Number1718-IR4B
Weight5.00 lbs (2.27 kg)
Number of Channels4 Isolated Channels
Resolution12-bit (Unsigned/Unipolar)
Nominal Voltage12 VDC
Communication SupportEtherNet/IP
Line Fault DetectionOpen and short-circuit detection
Min. Operating Temperature-20 °C
Max. Operating Temperature60 °C
Min. Storage Temperature-25 °C
Max. Storage Temperature85 °C
Relative Humidity5 to 95% (Non-Condensing)
Installation Altitude1000 m
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The Allen Bradley model 1718-IR4B is an analog RTD input module featuring four isolated input channels. This unit operates at a nominal voltage of 12 VDC and provides a resolution of 12 bits in an unsigned/unipolar format, ensuring accurate readings in various environments. It facilitates communication through EtherNet/IP, integrating easily into modern control systems.

For enhanced reliability, the module includes line fault detection capabilities, allowing for identification of open and short circuits that may affect performance. It operates effectively within a temperature range of -20 °C to 60 °C. Additionally, it can be stored in conditions varying from -25 °C to 85 °C, accommodating different climate scenarios.

Designed for versatility, the 1718-IR4B can function at altitudes up to 1000 meters, making it suitable for diverse installations. Furthermore, relative humidity conditions between 5% and 95% (non-condensing) are supported, ensuring reliable performance in varying operational environments. This combination of features makes the 1718-IR4B module a robust solution for applications requiring accurate temperature measurement and control.