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Allen Bradley 1718 Ex I/O 1718-IT4B

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1718-IT4B

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The 1718-IT4B from Allen Bradley is a thermocouple input module designed for precise temperature measurement. It supports four isolated channels and can handle both thermocouple and millivolt input signal types.

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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-IT4B

ManufacturerAllen Bradley
Product TypeThermocouple Input Module
Product Line1718 Ex I/O
Part Number1718-IT4B
Weight5.00 lbs (2.27 kg)
Number of Channels4 Isolated Channels
Input Signal TypesThermocouple or Millivolt
Input Range-75 mV to 75 mV DC
Supply Voltage24 VDC
Mounting TypeChassis-based
IP RatingIP20
Minimum Operating Temperature-20°C
Maximum Operating Temperature60°C
Minimum Storage Temperature-25°C
Maximum Storage Temperature85°C
Installation Altitude1000 m
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The 1718-IT4B module by Allen Bradley is engineered specifically to read thermocouples, providing interfaces for temperature data acquisition. It features four independent channels, allowing for isolated input of thermocouples or millivolt signals. This input module accepts a range of -75 mV to 75 mV DC, making it suitable for various sensor types.

Operating with a supply voltage of 24 VDC, the 1718-IT4B is built for chassis-based mounting, facilitating easy integration into existing systems. The module has an IP20 protection rating, offering basic environmental shielding. Designed for standard operational conditions, it functions effectively between -20°C and 60°C. For storage needs, the module can withstand temperatures from -25°C up to 85°C, ensuring durability even when not actively in use.

This device is capable of installation at altitudes reaching 1000 meters, which adds to its versatility in diverse geographical settings. Overall, the 1718-IT4B thermocouple input module is a reliable component for industrial applications where accurate temperature measurements are essential.